diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml new file mode 100644 index 000000000..403f428e4 --- /dev/null +++ b/.github/dependabot.yaml @@ -0,0 +1,22 @@ +version: 2 +updates: + - package-ecosystem: "github-actions" + directory: "/" + schedule: + interval: "weekly" + commit-message: + prefix: "build" + + - package-ecosystem: "gomod" + directory: "/" + schedule: + interval: "daily" + commit-message: + prefix: "build" + + - package-ecosystem: "gomod" + directory: "/cli/go-git" + schedule: + interval: "daily" + commit-message: + prefix: "build" diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml index fbb867cc7..bfe9879af 100644 --- a/.github/workflows/codeql.yml +++ b/.github/workflows/codeql.yml @@ -24,7 +24,7 @@ jobs: steps: - name: Checkout code - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2 + uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1 # Initializes the CodeQL tools for scanning. - name: Initialize CodeQL diff --git a/.github/workflows/git.yml b/.github/workflows/git.yml index 68776fce6..95398087c 100644 --- a/.github/workflows/git.yml +++ b/.github/workflows/git.yml @@ -17,12 +17,12 @@ jobs: steps: - name: Install Go - uses: actions/setup-go@v3 + uses: actions/setup-go@v4 with: go-version: 1.21.x - name: Checkout code - uses: actions/checkout@v3 + uses: actions/checkout@v4 - name: Install build dependencies run: sudo apt-get update && sudo apt-get install gettext libcurl4-openssl-dev diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml index 04e704654..d7b115095 100644 --- a/.github/workflows/pr-validation.yml +++ b/.github/workflows/pr-validation.yml @@ -19,7 +19,7 @@ jobs: - name: Check Package Prefix uses: gsactions/commit-message-checker@v2 with: - pattern: '^(\*|plumbing|utils|config|_examples|internal|storage|cli|build): .+' + pattern: '^(\*|git|plumbing|utils|config|_examples|internal|storage|cli|build): .+' error: | Commit message(s) does not align with contribution acceptance criteria. diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml index 74c9bdeb5..875dda7be 100644 --- a/.github/workflows/test.yml +++ b/.github/workflows/test.yml @@ -14,12 +14,12 @@ jobs: runs-on: ${{ matrix.platform }} steps: - name: Install Go - uses: actions/setup-go@v3 + uses: actions/setup-go@v4 with: go-version: ${{ matrix.go-version }} - name: Checkout code - uses: actions/checkout@v3 + uses: actions/checkout@v4 - name: Configure known hosts if: matrix.platform != 'ubuntu-latest' diff --git a/COMPATIBILITY.md b/COMPATIBILITY.md index bbffea522..c1f280d4d 100644 --- a/COMPATIBILITY.md +++ b/COMPATIBILITY.md @@ -109,10 +109,10 @@ compatibility status with go-git. ## Server admin -| Feature | Sub-feature | Status | Notes | Examples | -| -------------------- | ----------- | ------ | ----- | -------- | -| `daemon` | | ❌ | | | -| `update-server-info` | | ❌ | | | +| Feature | Sub-feature | Status | Notes | Examples | +| -------------------- | ----------- | ------ | ----- | ----------------------------------------- | +| `daemon` | | ❌ | | | +| `update-server-info` | | ✅ | | [cli](./cli/go-git/update_server_info.go) | ## Advanced diff --git a/cli/go-git/go.mod b/cli/go-git/go.mod new file mode 100644 index 000000000..bde9014cc --- /dev/null +++ b/cli/go-git/go.mod @@ -0,0 +1,33 @@ +module github.com/go-git/v5/go-git/cli/go-git + +go 1.19 + +require ( + github.com/go-git/go-git/v5 v5.10.1-0.20231107163107-e54a6ae399e9 + github.com/jessevdk/go-flags v1.5.0 +) + +require ( + dario.cat/mergo v1.0.0 // indirect + github.com/Microsoft/go-winio v0.6.1 // indirect + github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 // indirect + github.com/acomagu/bufpipe v1.0.4 // indirect + github.com/cloudflare/circl v1.3.3 // indirect + github.com/cyphar/filepath-securejoin v0.2.4 // indirect + github.com/emirpasic/gods v1.18.1 // indirect + github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect + github.com/go-git/go-billy/v5 v5.5.0 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect + github.com/kevinburke/ssh_config v1.2.0 // indirect + github.com/pjbgf/sha1cd v0.3.0 // indirect + github.com/sergi/go-diff v1.1.0 // indirect + github.com/skeema/knownhosts v1.2.1 // indirect + github.com/xanzy/ssh-agent v0.3.3 // indirect + golang.org/x/crypto v0.14.0 // indirect + golang.org/x/mod v0.12.0 // indirect + golang.org/x/net v0.17.0 // indirect + golang.org/x/sys v0.14.0 // indirect + golang.org/x/tools v0.13.0 // indirect + gopkg.in/warnings.v0 v0.1.2 // indirect +) diff --git a/cli/go-git/go.sum b/cli/go-git/go.sum new file mode 100644 index 000000000..00a9140dc --- /dev/null +++ b/cli/go-git/go.sum @@ -0,0 +1,137 @@ +dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk= +dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk= +github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY= +github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow= +github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM= +github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 h1:kkhsdkhsCvIsutKu5zLMgWtgh9YxGCNAw8Ad8hjwfYg= +github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371/go.mod h1:EjAoLdwvbIOoOQr3ihjnSoLZRtE8azugULFRteWMNc0= +github.com/acomagu/bufpipe v1.0.4 h1:e3H4WUzM3npvo5uv95QuJM3cQspFNtFBzvJ2oNjKIDQ= +github.com/acomagu/bufpipe v1.0.4/go.mod h1:mxdxdup/WdsKVreO5GpW4+M/1CE2sMG4jeGJ2sYmHc4= +github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8= +github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio= +github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0= +github.com/cloudflare/circl v1.3.3 h1:fE/Qz0QdIGqeWfnwq0RE0R7MI51s0M2E4Ga9kq5AEMs= +github.com/cloudflare/circl v1.3.3/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA= +github.com/cyphar/filepath-securejoin v0.2.4 h1:Ugdm7cg7i6ZK6x3xDF1oEu1nfkyfH53EtKeQYTC3kyg= +github.com/cyphar/filepath-securejoin v0.2.4/go.mod h1:aPGpWjXOXUn2NCNjFvBE6aRxGGx79pTxQpKOJNYHHl4= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/elazarl/goproxy v0.0.0-20230808193330-2592e75ae04a h1:mATvB/9r/3gvcejNsXKSkQ6lcIaNec2nyfOdlTBR2lU= +github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc= +github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ= +github.com/gliderlabs/ssh v0.3.5 h1:OcaySEmAQJgyYcArR+gGGTHCyE7nvhEMTlYY+Dp8CpY= +github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 h1:+zs/tPmkDkHx3U66DAb0lQFJrpS6731Oaa12ikc+DiI= +github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376/go.mod h1:an3vInlBmSxCcxctByoQdvwPiA7DTK7jaaFDBTtu0ic= +github.com/go-git/go-billy/v5 v5.5.0 h1:yEY4yhzCDuMGSv83oGxiBotRzhwhNr8VZyphhiu+mTU= +github.com/go-git/go-billy/v5 v5.5.0/go.mod h1:hmexnoNsr2SJU1Ju67OaNz5ASJY3+sHgFRpCtpDCKow= +github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399 h1:eMje31YglSBqCdIqdhKBW8lokaMrL3uTkpGYlE2OOT4= +github.com/go-git/go-git/v5 v5.10.1-0.20231107163107-e54a6ae399e9 h1:uNsBlaMgh9sjbk+uvOJSJm+ixmoJoXbeDFNBCgYqUXo= +github.com/go-git/go-git/v5 v5.10.1-0.20231107163107-e54a6ae399e9/go.mod h1:vQMZfh4ro7khF6K55zuBL6sU45QYjjppZ6Cot47a9t4= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= +github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A= +github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo= +github.com/jessevdk/go-flags v1.5.0 h1:1jKYvbxEjfUl0fmqTCOfonvskHHXMjBySTLW4y9LFvc= +github.com/jessevdk/go-flags v1.5.0/go.mod h1:Fw0T6WPc1dYxT4mKEZRfG5kJhaTDP9pj1c2EWnYs/m4= +github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= +github.com/kevinburke/ssh_config v1.2.0/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= +github.com/kr/pty v1.1.1/go.mod 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h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= +golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc= +golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= +golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= +golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= +golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= +golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY= +golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= +golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc= +golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM= +golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE= +golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q= +golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= +golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc= +golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k= +golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U= +golang.org/x/term v0.13.0 h1:bb+I9cTfFazGW51MZqBVmZy7+JEJMouUHTUSKVQLBek= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= +golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= +golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ= +golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58= +golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= +gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME= +gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/cli/go-git/main.go b/cli/go-git/main.go index 97b8c3e2a..0a5ad2c26 100644 --- a/cli/go-git/main.go +++ b/cli/go-git/main.go @@ -22,6 +22,7 @@ func main() { } parser := flags.NewNamedParser(bin, flags.Default) + parser.AddCommand("update-server-info", "", "", &CmdUpdateServerInfo{}) parser.AddCommand("receive-pack", "", "", &CmdReceivePack{}) parser.AddCommand("upload-pack", "", "", &CmdUploadPack{}) parser.AddCommand("version", "Show the version information.", "", &CmdVersion{}) diff --git a/cli/go-git/update_server_info.go b/cli/go-git/update_server_info.go new file mode 100644 index 000000000..a7f3e3e39 --- /dev/null +++ b/cli/go-git/update_server_info.go @@ -0,0 +1,34 @@ +package main + +import ( + "fmt" + "os" + + "github.com/go-git/go-git/v5" + "github.com/go-git/go-git/v5/plumbing/serverinfo" + "github.com/go-git/go-git/v5/storage/filesystem" +) + +// CmdUpdateServerInfo command updates the server info files in the repository. +// This is used by git http transport (dumb) to generate a list of available +// refs for the repository. See: +// https://git-scm.com/docs/git-update-server-info +type CmdUpdateServerInfo struct { + cmd +} + +// Usage returns the usage of the command. +func (CmdUpdateServerInfo) Usage() string { + return fmt.Sprintf("within a git repository run: %s", os.Args[0]) +} + +// Execute runs the command. +func (c *CmdUpdateServerInfo) Execute(args []string) error { + r, err := git.PlainOpen(".") + if err != nil { + return err + } + + fs := r.Storer.(*filesystem.Storage).Filesystem() + return serverinfo.UpdateServerInfo(r.Storer, fs) +} diff --git a/go.mod b/go.mod index 075446074..18b60da9e 100644 --- a/go.mod +++ b/go.mod @@ -6,7 +6,6 @@ go 1.19 require ( dario.cat/mergo v1.0.0 github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 - github.com/acomagu/bufpipe v1.0.4 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 github.com/elazarl/goproxy v0.0.0-20230808193330-2592e75ae04a github.com/emirpasic/gods v1.18.1 @@ -15,18 +14,17 @@ require ( github.com/go-git/go-billy/v5 v5.5.0 github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da - github.com/google/go-cmp v0.5.9 + github.com/google/go-cmp v0.6.0 github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 - github.com/jessevdk/go-flags v1.5.0 github.com/kevinburke/ssh_config v1.2.0 github.com/pjbgf/sha1cd v0.3.0 github.com/sergi/go-diff v1.1.0 - github.com/skeema/knownhosts v1.2.0 + github.com/skeema/knownhosts v1.2.1 github.com/xanzy/ssh-agent v0.3.3 - golang.org/x/crypto v0.14.0 - golang.org/x/net v0.17.0 - golang.org/x/sys v0.13.0 - golang.org/x/text v0.13.0 + golang.org/x/crypto v0.15.0 + golang.org/x/net v0.18.0 + golang.org/x/sys v0.14.0 + golang.org/x/text v0.14.0 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c ) diff --git a/go.sum b/go.sum index 6baf1ba2d..f5af02373 100644 --- a/go.sum +++ b/go.sum @@ -5,8 +5,6 @@ github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migc github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM= github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 h1:kkhsdkhsCvIsutKu5zLMgWtgh9YxGCNAw8Ad8hjwfYg= github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371/go.mod h1:EjAoLdwvbIOoOQr3ihjnSoLZRtE8azugULFRteWMNc0= -github.com/acomagu/bufpipe v1.0.4 h1:e3H4WUzM3npvo5uv95QuJM3cQspFNtFBzvJ2oNjKIDQ= -github.com/acomagu/bufpipe v1.0.4/go.mod h1:mxdxdup/WdsKVreO5GpW4+M/1CE2sMG4jeGJ2sYmHc4= github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8= github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4= github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio= @@ -36,12 +34,10 @@ github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399 h1:eMj github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399/go.mod h1:1OCfN199q1Jm3HZlxleg+Dw/mwps2Wbk9frAWm+4FII= github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= -github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= -github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 h1:BQSFePA1RWJOlocH6Fxy8MmwDt+yVQYULKfN0RoTN8A= github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i6rXxKeerYnT8Nvf0QmHCRC1n8sfWVwXF2Frvo= -github.com/jessevdk/go-flags v1.5.0 h1:1jKYvbxEjfUl0fmqTCOfonvskHHXMjBySTLW4y9LFvc= -github.com/jessevdk/go-flags v1.5.0/go.mod h1:Fw0T6WPc1dYxT4mKEZRfG5kJhaTDP9pj1c2EWnYs/m4= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= github.com/kevinburke/ssh_config v1.2.0/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= @@ -52,8 +48,6 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= -github.com/matryer/is v1.2.0 h1:92UTHpy8CDwaJ08GqLDzhhuixiBUUD1p3AU6PHddz4A= -github.com/matryer/is v1.2.0/go.mod h1:2fLPjFQM9rhQ15aVEtbuwhJinnOqrmgXPNdZsdwlWXA= github.com/onsi/gomega v1.27.10 h1:naR28SdDFlqrG6kScpT8VWpu1xWY5nJRCF3XaYyBjhI= github.com/pjbgf/sha1cd v0.3.0 h1:4D5XXmUUBUl/xQ6IjCkEAbqXskkq/4O7LmGn0AqMDs4= github.com/pjbgf/sha1cd v0.3.0/go.mod h1:nZ1rrWOcGJ5uZgEEVL1VUM9iRQiZvWdbZjkKyFzPPsI= @@ -69,8 +63,8 @@ github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUz github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0= github.com/sergi/go-diff v1.1.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM= github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0= -github.com/skeema/knownhosts v1.2.0 h1:h9r9cf0+u7wSE+M183ZtMGgOJKiL96brpaz5ekfJCpM= -github.com/skeema/knownhosts v1.2.0/go.mod h1:g4fPeYpque7P0xefxtGzV81ihjC8sX2IqpAoNkjxbMo= +github.com/skeema/knownhosts v1.2.1 h1:SHWdIUa82uGZz+F+47k8SY4QhhI291cXCpopT1lK2AQ= +github.com/skeema/knownhosts v1.2.1/go.mod h1:xYbVRSPxqBZFrdmDyMmsOs+uX1UZC3nTN3ThzgDxUwo= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= @@ -84,8 +78,8 @@ golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0 golang.org/x/crypto v0.0.0-20220826181053-bd7e27e6170d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.3.1-0.20221117191849-2c476679df9a/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4= golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU= -golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc= -golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4= +golang.org/x/crypto v0.15.0 h1:frVn1TEaCEaZcn3Tmd7Y2b5KKPaZ+I32Q2OA3kYp5TA= +golang.org/x/crypto v0.15.0/go.mod h1:4ChreQoLWfG3xLDer1WdlH5NdlQ3+mwnQq1YTKY+72g= golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc= @@ -98,8 +92,8 @@ golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b/go.mod h1:YDH+HFinaLZZlnHAfS golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY= golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc= -golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM= -golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE= +golang.org/x/net v0.18.0 h1:mIYleuAkSbHh0tCv7RvjL3F6ZVbLjq4+R7zbOn3Kokg= +golang.org/x/net v0.18.0/go.mod h1:/czyP5RqHAH4odGYxBJ1qz0+CE5WZ+2j1YgoEo8F2jQ= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -108,7 +102,6 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= @@ -120,15 +113,15 @@ golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE= -golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q= +golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= golang.org/x/term v0.0.0-20220722155259-a9ba230a4035/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc= golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k= golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U= -golang.org/x/term v0.13.0 h1:bb+I9cTfFazGW51MZqBVmZy7+JEJMouUHTUSKVQLBek= +golang.org/x/term v0.14.0 h1:LGK9IlZ8T9jvdy6cTdfKUCltatMFOehAQo9SRC46UQ8= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= @@ -136,8 +129,8 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= -golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k= -golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE= +golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= +golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= diff --git a/internal/reference/sort.go b/internal/reference/sort.go new file mode 100644 index 000000000..726edbdd3 --- /dev/null +++ b/internal/reference/sort.go @@ -0,0 +1,14 @@ +package reference + +import ( + "sort" + + "github.com/go-git/go-git/v5/plumbing" +) + +// Sort sorts the references by name to ensure a consistent order. +func Sort(refs []*plumbing.Reference) { + sort.Slice(refs, func(i, j int) bool { + return refs[i].Name() < refs[j].Name() + }) +} diff --git a/plumbing/format/packfile/diff_delta.go b/plumbing/format/packfile/diff_delta.go index 2c7a33581..8898e5830 100644 --- a/plumbing/format/packfile/diff_delta.go +++ b/plumbing/format/packfile/diff_delta.go @@ -17,8 +17,11 @@ const ( s = 16 // https://github.com/git/git/blob/f7466e94375b3be27f229c78873f0acf8301c0a5/diff-delta.c#L428 - // Max size of a copy operation (64KB) + // Max size of a copy operation (64KB). maxCopySize = 64 * 1024 + + // Min size of a copy operation. + minCopySize = 4 ) // GetDelta returns an EncodedObject of type OFSDeltaObject. Base and Target object, diff --git a/plumbing/format/packfile/parser.go b/plumbing/format/packfile/parser.go index edbc0e796..62f1d13cb 100644 --- a/plumbing/format/packfile/parser.go +++ b/plumbing/format/packfile/parser.go @@ -3,6 +3,7 @@ package packfile import ( "bytes" "errors" + "fmt" "io" "github.com/go-git/go-git/v5/plumbing" @@ -174,13 +175,25 @@ func (p *Parser) init() error { return nil } +type objectHeaderWriter func(typ plumbing.ObjectType, sz int64) error + +type lazyObjectWriter interface { + // LazyWriter enables an object to be lazily written. + // It returns: + // - w: a writer to receive the object's content. + // - lwh: a func to write the object header. + // - err: any error from the initial writer creation process. + // + // Note that if the object header is not written BEFORE the writer + // is used, this will result in an invalid object. + LazyWriter() (w io.WriteCloser, lwh objectHeaderWriter, err error) +} + func (p *Parser) indexObjects() error { buf := sync.GetBytesBuffer() defer sync.PutBytesBuffer(buf) for i := uint32(0); i < p.count; i++ { - buf.Reset() - oh, err := p.scanner.NextObjectHeader() if err != nil { return err @@ -220,21 +233,60 @@ func (p *Parser) indexObjects() error { ota = newBaseObject(oh.Offset, oh.Length, t) } - buf.Grow(int(oh.Length)) - _, crc, err := p.scanner.NextObject(buf) + hasher := plumbing.NewHasher(oh.Type, oh.Length) + writers := []io.Writer{hasher} + var obj *plumbing.MemoryObject + + // Lazy writing is only available for non-delta objects. + if p.storage != nil && !delta { + // When a storage is set and supports lazy writing, + // use that instead of creating a memory object. + if low, ok := p.storage.(lazyObjectWriter); ok { + ow, lwh, err := low.LazyWriter() + if err != nil { + return err + } + + if err = lwh(oh.Type, oh.Length); err != nil { + return err + } + + defer ow.Close() + writers = append(writers, ow) + } else { + obj = new(plumbing.MemoryObject) + obj.SetSize(oh.Length) + obj.SetType(oh.Type) + + writers = append(writers, obj) + } + } + if delta && !p.scanner.IsSeekable { + buf.Reset() + buf.Grow(int(oh.Length)) + writers = append(writers, buf) + } + + mw := io.MultiWriter(writers...) + + _, crc, err := p.scanner.NextObject(mw) if err != nil { return err } + // Non delta objects needs to be added into the storage. This + // is only required when lazy writing is not supported. + if obj != nil { + if _, err := p.storage.SetEncodedObject(obj); err != nil { + return err + } + } + ota.Crc32 = crc ota.Length = oh.Length - data := buf.Bytes() if !delta { - sha1, err := getSHA1(ota.Type, data) - if err != nil { - return err - } + sha1 := hasher.Sum() // Move children of placeholder parent into actual parent, in case this // was a non-external delta reference. @@ -249,20 +301,8 @@ func (p *Parser) indexObjects() error { p.oiByHash[ota.SHA1] = ota } - if p.storage != nil && !delta { - obj := new(plumbing.MemoryObject) - obj.SetSize(oh.Length) - obj.SetType(oh.Type) - if _, err := obj.Write(data); err != nil { - return err - } - - if _, err := p.storage.SetEncodedObject(obj); err != nil { - return err - } - } - if delta && !p.scanner.IsSeekable { + data := buf.Bytes() p.deltas[oh.Offset] = make([]byte, len(data)) copy(p.deltas[oh.Offset], data) } @@ -280,23 +320,29 @@ func (p *Parser) resolveDeltas() error { for _, obj := range p.oi { buf.Reset() + buf.Grow(int(obj.Length)) err := p.get(obj, buf) if err != nil { return err } - content := buf.Bytes() if err := p.onInflatedObjectHeader(obj.Type, obj.Length, obj.Offset); err != nil { return err } - if err := p.onInflatedObjectContent(obj.SHA1, obj.Offset, obj.Crc32, content); err != nil { + if err := p.onInflatedObjectContent(obj.SHA1, obj.Offset, obj.Crc32, nil); err != nil { return err } if !obj.IsDelta() && len(obj.Children) > 0 { + // Dealing with an io.ReaderAt object, means we can + // create it once and reuse across all children. + r := bytes.NewReader(buf.Bytes()) for _, child := range obj.Children { - if err := p.resolveObject(io.Discard, child, content); err != nil { + // Even though we are discarding the output, we still need to read it to + // so that the scanner can advance to the next object, and the SHA1 can be + // calculated. + if err := p.resolveObject(io.Discard, child, r); err != nil { return err } p.resolveExternalRef(child) @@ -361,13 +407,13 @@ func (p *Parser) get(o *objectInfo, buf *bytes.Buffer) (err error) { if o.DiskType.IsDelta() { b := sync.GetBytesBuffer() defer sync.PutBytesBuffer(b) + buf.Grow(int(o.Length)) err := p.get(o.Parent, b) if err != nil { return err } - base := b.Bytes() - err = p.resolveObject(buf, o, base) + err = p.resolveObject(buf, o, bytes.NewReader(b.Bytes())) if err != nil { return err } @@ -378,6 +424,13 @@ func (p *Parser) get(o *objectInfo, buf *bytes.Buffer) (err error) { } } + // If the scanner is seekable, caching this data into + // memory by offset seems wasteful. + // There is a trade-off to be considered here in terms + // of execution time vs memory consumption. + // + // TODO: improve seekable execution time, so that we can + // skip this cache. if len(o.Children) > 0 { data := make([]byte, buf.Len()) copy(data, buf.Bytes()) @@ -386,10 +439,25 @@ func (p *Parser) get(o *objectInfo, buf *bytes.Buffer) (err error) { return nil } +// resolveObject resolves an object from base, using information +// provided by o. +// +// This call has the side-effect of changing field values +// from the object info o: +// - Type: OFSDeltaObject may become the target type (e.g. Blob). +// - Size: The size may be update with the target size. +// - Hash: Zero hashes will be calculated as part of the object +// resolution. Hence why this process can't be avoided even when w +// is an io.Discard. +// +// base must be an io.ReaderAt, which is a requirement from +// patchDeltaStream. The main reason being that reversing an +// delta object may lead to going backs and forths within base, +// which is not supported by io.Reader. func (p *Parser) resolveObject( w io.Writer, o *objectInfo, - base []byte, + base io.ReaderAt, ) error { if !o.DiskType.IsDelta() { return nil @@ -400,26 +468,46 @@ func (p *Parser) resolveObject( if err != nil { return err } - data := buf.Bytes() - data, err = applyPatchBase(o, data, base) + writers := []io.Writer{w} + var obj *plumbing.MemoryObject + var lwh objectHeaderWriter + + if p.storage != nil { + if low, ok := p.storage.(lazyObjectWriter); ok { + ow, wh, err := low.LazyWriter() + if err != nil { + return err + } + lwh = wh + + defer ow.Close() + writers = append(writers, ow) + } else { + obj = new(plumbing.MemoryObject) + ow, err := obj.Writer() + if err != nil { + return err + } + + writers = append(writers, ow) + } + } + + mw := io.MultiWriter(writers...) + + err = applyPatchBase(o, base, buf, mw, lwh) if err != nil { return err } - if p.storage != nil { - obj := new(plumbing.MemoryObject) - obj.SetSize(o.Size()) + if obj != nil { obj.SetType(o.Type) - if _, err := obj.Write(data); err != nil { - return err - } - + obj.SetSize(o.Size()) // Size here is correct as it was populated by applyPatchBase. if _, err := p.storage.SetEncodedObject(obj); err != nil { return err } } - _, err = w.Write(data) return err } @@ -443,24 +531,31 @@ func (p *Parser) readData(w io.Writer, o *objectInfo) error { return nil } -func applyPatchBase(ota *objectInfo, data, base []byte) ([]byte, error) { - patched, err := PatchDelta(base, data) - if err != nil { - return nil, err +// applyPatchBase applies the patch to target. +// +// Note that ota will be updated based on the description in resolveObject. +func applyPatchBase(ota *objectInfo, base io.ReaderAt, delta io.Reader, target io.Writer, wh objectHeaderWriter) error { + if target == nil { + return fmt.Errorf("cannot apply patch against nil target") } + typ := ota.Type if ota.SHA1 == plumbing.ZeroHash { - ota.Type = ota.Parent.Type - sha1, err := getSHA1(ota.Type, patched) - if err != nil { - return nil, err - } + typ = ota.Parent.Type + } + + sz, h, err := patchDeltaWriter(target, base, delta, typ, wh) + if err != nil { + return err + } - ota.SHA1 = sha1 - ota.Length = int64(len(patched)) + if ota.SHA1 == plumbing.ZeroHash { + ota.Type = typ + ota.Length = int64(sz) + ota.SHA1 = h } - return patched, nil + return nil } func getSHA1(t plumbing.ObjectType, data []byte) (plumbing.Hash, error) { diff --git a/plumbing/format/packfile/patch_delta.go b/plumbing/format/packfile/patch_delta.go index f00562d63..960769c7c 100644 --- a/plumbing/format/packfile/patch_delta.go +++ b/plumbing/format/packfile/patch_delta.go @@ -4,6 +4,7 @@ import ( "bufio" "bytes" "errors" + "fmt" "io" "math" @@ -17,7 +18,33 @@ import ( // and https://github.com/tarruda/node-git-core/blob/master/src/js/delta.js // for details about the delta format. -const deltaSizeMin = 4 +var ( + ErrInvalidDelta = errors.New("invalid delta") + ErrDeltaCmd = errors.New("wrong delta command") +) + +const ( + payload = 0x7f // 0111 1111 + continuation = 0x80 // 1000 0000 +) + +type offset struct { + mask byte + shift uint +} + +var offsets = []offset{ + {mask: 0x01, shift: 0}, + {mask: 0x02, shift: 8}, + {mask: 0x04, shift: 16}, + {mask: 0x08, shift: 24}, +} + +var sizes = []offset{ + {mask: 0x10, shift: 0}, + {mask: 0x20, shift: 8}, + {mask: 0x40, shift: 16}, +} // ApplyDelta writes to target the result of applying the modification deltas in delta to base. func ApplyDelta(target, base plumbing.EncodedObject, delta []byte) (err error) { @@ -58,11 +85,6 @@ func ApplyDelta(target, base plumbing.EncodedObject, delta []byte) (err error) { return err } -var ( - ErrInvalidDelta = errors.New("invalid delta") - ErrDeltaCmd = errors.New("wrong delta command") -) - // PatchDelta returns the result of applying the modification deltas in delta to src. // An error will be returned if delta is corrupted (ErrDeltaLen) or an action command // is not copy from source or copy from delta (ErrDeltaCmd). @@ -120,7 +142,8 @@ func ReaderFromDelta(base plumbing.EncodedObject, deltaRC io.Reader) (io.ReadClo return } - if isCopyFromSrc(cmd) { + switch { + case isCopyFromSrc(cmd): offset, err := decodeOffsetByteReader(cmd, deltaBuf) if err != nil { _ = dstWr.CloseWithError(err) @@ -173,7 +196,8 @@ func ReaderFromDelta(base plumbing.EncodedObject, deltaRC io.Reader) (io.ReadClo } remainingTargetSz -= sz basePos += sz - } else if isCopyFromDelta(cmd) { + + case isCopyFromDelta(cmd): sz := uint(cmd) // cmd is the size itself if invalidSize(sz, targetSz) { _ = dstWr.CloseWithError(ErrInvalidDelta) @@ -185,10 +209,12 @@ func ReaderFromDelta(base plumbing.EncodedObject, deltaRC io.Reader) (io.ReadClo } remainingTargetSz -= sz - } else { + + default: _ = dstWr.CloseWithError(ErrDeltaCmd) return } + if remainingTargetSz <= 0 { _ = dstWr.Close() return @@ -200,7 +226,7 @@ func ReaderFromDelta(base plumbing.EncodedObject, deltaRC io.Reader) (io.ReadClo } func patchDelta(dst *bytes.Buffer, src, delta []byte) error { - if len(delta) < deltaSizeMin { + if len(delta) < minCopySize { return ErrInvalidDelta } @@ -221,7 +247,9 @@ func patchDelta(dst *bytes.Buffer, src, delta []byte) error { cmd = delta[0] delta = delta[1:] - if isCopyFromSrc(cmd) { + + switch { + case isCopyFromSrc(cmd): var offset, sz uint var err error offset, delta, err = decodeOffset(cmd, delta) @@ -240,7 +268,8 @@ func patchDelta(dst *bytes.Buffer, src, delta []byte) error { } dst.Write(src[offset : offset+sz]) remainingTargetSz -= sz - } else if isCopyFromDelta(cmd) { + + case isCopyFromDelta(cmd): sz := uint(cmd) // cmd is the size itself if invalidSize(sz, targetSz) { return ErrInvalidDelta @@ -253,7 +282,8 @@ func patchDelta(dst *bytes.Buffer, src, delta []byte) error { dst.Write(delta[0:sz]) remainingTargetSz -= sz delta = delta[sz:] - } else { + + default: return ErrDeltaCmd } @@ -265,6 +295,107 @@ func patchDelta(dst *bytes.Buffer, src, delta []byte) error { return nil } +func patchDeltaWriter(dst io.Writer, base io.ReaderAt, delta io.Reader, + typ plumbing.ObjectType, writeHeader objectHeaderWriter) (uint, plumbing.Hash, error) { + deltaBuf := bufio.NewReaderSize(delta, 1024) + srcSz, err := decodeLEB128ByteReader(deltaBuf) + if err != nil { + if err == io.EOF { + return 0, plumbing.ZeroHash, ErrInvalidDelta + } + return 0, plumbing.ZeroHash, err + } + + if r, ok := base.(*bytes.Reader); ok && srcSz != uint(r.Size()) { + return 0, plumbing.ZeroHash, ErrInvalidDelta + } + + targetSz, err := decodeLEB128ByteReader(deltaBuf) + if err != nil { + if err == io.EOF { + return 0, plumbing.ZeroHash, ErrInvalidDelta + } + return 0, plumbing.ZeroHash, err + } + + // If header still needs to be written, caller will provide + // a LazyObjectWriterHeader. This seems to be the case when + // dealing with thin-packs. + if writeHeader != nil { + err = writeHeader(typ, int64(targetSz)) + if err != nil { + return 0, plumbing.ZeroHash, fmt.Errorf("could not lazy write header: %w", err) + } + } + + remainingTargetSz := targetSz + + hasher := plumbing.NewHasher(typ, int64(targetSz)) + mw := io.MultiWriter(dst, hasher) + + bufp := sync.GetByteSlice() + defer sync.PutByteSlice(bufp) + + sr := io.NewSectionReader(base, int64(0), int64(srcSz)) + // Keep both the io.LimitedReader types, so we can reset N. + baselr := io.LimitReader(sr, 0).(*io.LimitedReader) + deltalr := io.LimitReader(deltaBuf, 0).(*io.LimitedReader) + + for { + buf := *bufp + cmd, err := deltaBuf.ReadByte() + if err == io.EOF { + return 0, plumbing.ZeroHash, ErrInvalidDelta + } + if err != nil { + return 0, plumbing.ZeroHash, err + } + + if isCopyFromSrc(cmd) { + offset, err := decodeOffsetByteReader(cmd, deltaBuf) + if err != nil { + return 0, plumbing.ZeroHash, err + } + sz, err := decodeSizeByteReader(cmd, deltaBuf) + if err != nil { + return 0, plumbing.ZeroHash, err + } + + if invalidSize(sz, targetSz) || + invalidOffsetSize(offset, sz, srcSz) { + return 0, plumbing.ZeroHash, err + } + + if _, err := sr.Seek(int64(offset), io.SeekStart); err != nil { + return 0, plumbing.ZeroHash, err + } + baselr.N = int64(sz) + if _, err := io.CopyBuffer(mw, baselr, buf); err != nil { + return 0, plumbing.ZeroHash, err + } + remainingTargetSz -= sz + } else if isCopyFromDelta(cmd) { + sz := uint(cmd) // cmd is the size itself + if invalidSize(sz, targetSz) { + return 0, plumbing.ZeroHash, ErrInvalidDelta + } + deltalr.N = int64(sz) + if _, err := io.CopyBuffer(mw, deltalr, buf); err != nil { + return 0, plumbing.ZeroHash, err + } + + remainingTargetSz -= sz + } else { + return 0, plumbing.ZeroHash, err + } + if remainingTargetSz <= 0 { + break + } + } + + return targetSz, hasher.Sum(), nil +} + // Decodes a number encoded as an unsigned LEB128 at the start of some // binary data and returns the decoded number and the rest of the // stream. @@ -306,48 +437,24 @@ func decodeLEB128ByteReader(input io.ByteReader) (uint, error) { return num, nil } -const ( - payload = 0x7f // 0111 1111 - continuation = 0x80 // 1000 0000 -) - func isCopyFromSrc(cmd byte) bool { - return (cmd & 0x80) != 0 + return (cmd & continuation) != 0 } func isCopyFromDelta(cmd byte) bool { - return (cmd&0x80) == 0 && cmd != 0 + return (cmd&continuation) == 0 && cmd != 0 } func decodeOffsetByteReader(cmd byte, delta io.ByteReader) (uint, error) { var offset uint - if (cmd & 0x01) != 0 { - next, err := delta.ReadByte() - if err != nil { - return 0, err - } - offset = uint(next) - } - if (cmd & 0x02) != 0 { - next, err := delta.ReadByte() - if err != nil { - return 0, err - } - offset |= uint(next) << 8 - } - if (cmd & 0x04) != 0 { - next, err := delta.ReadByte() - if err != nil { - return 0, err - } - offset |= uint(next) << 16 - } - if (cmd & 0x08) != 0 { - next, err := delta.ReadByte() - if err != nil { - return 0, err + for _, o := range offsets { + if (cmd & o.mask) != 0 { + next, err := delta.ReadByte() + if err != nil { + return 0, err + } + offset |= uint(next) << o.shift } - offset |= uint(next) << 24 } return offset, nil @@ -355,33 +462,14 @@ func decodeOffsetByteReader(cmd byte, delta io.ByteReader) (uint, error) { func decodeOffset(cmd byte, delta []byte) (uint, []byte, error) { var offset uint - if (cmd & 0x01) != 0 { - if len(delta) == 0 { - return 0, nil, ErrInvalidDelta - } - offset = uint(delta[0]) - delta = delta[1:] - } - if (cmd & 0x02) != 0 { - if len(delta) == 0 { - return 0, nil, ErrInvalidDelta - } - offset |= uint(delta[0]) << 8 - delta = delta[1:] - } - if (cmd & 0x04) != 0 { - if len(delta) == 0 { - return 0, nil, ErrInvalidDelta - } - offset |= uint(delta[0]) << 16 - delta = delta[1:] - } - if (cmd & 0x08) != 0 { - if len(delta) == 0 { - return 0, nil, ErrInvalidDelta + for _, o := range offsets { + if (cmd & o.mask) != 0 { + if len(delta) == 0 { + return 0, nil, ErrInvalidDelta + } + offset |= uint(delta[0]) << o.shift + delta = delta[1:] } - offset |= uint(delta[0]) << 24 - delta = delta[1:] } return offset, delta, nil @@ -389,29 +477,18 @@ func decodeOffset(cmd byte, delta []byte) (uint, []byte, error) { func decodeSizeByteReader(cmd byte, delta io.ByteReader) (uint, error) { var sz uint - if (cmd & 0x10) != 0 { - next, err := delta.ReadByte() - if err != nil { - return 0, err - } - sz = uint(next) - } - if (cmd & 0x20) != 0 { - next, err := delta.ReadByte() - if err != nil { - return 0, err - } - sz |= uint(next) << 8 - } - if (cmd & 0x40) != 0 { - next, err := delta.ReadByte() - if err != nil { - return 0, err + for _, s := range sizes { + if (cmd & s.mask) != 0 { + next, err := delta.ReadByte() + if err != nil { + return 0, err + } + sz |= uint(next) << s.shift } - sz |= uint(next) << 16 } + if sz == 0 { - sz = 0x10000 + sz = maxCopySize } return sz, nil @@ -419,29 +496,17 @@ func decodeSizeByteReader(cmd byte, delta io.ByteReader) (uint, error) { func decodeSize(cmd byte, delta []byte) (uint, []byte, error) { var sz uint - if (cmd & 0x10) != 0 { - if len(delta) == 0 { - return 0, nil, ErrInvalidDelta - } - sz = uint(delta[0]) - delta = delta[1:] - } - if (cmd & 0x20) != 0 { - if len(delta) == 0 { - return 0, nil, ErrInvalidDelta - } - sz |= uint(delta[0]) << 8 - delta = delta[1:] - } - if (cmd & 0x40) != 0 { - if len(delta) == 0 { - return 0, nil, ErrInvalidDelta + for _, s := range sizes { + if (cmd & s.mask) != 0 { + if len(delta) == 0 { + return 0, nil, ErrInvalidDelta + } + sz |= uint(delta[0]) << s.shift + delta = delta[1:] } - sz |= uint(delta[0]) << 16 - delta = delta[1:] } if sz == 0 { - sz = 0x10000 + sz = maxCopySize } return sz, delta, nil diff --git a/plumbing/format/pktline/encoder.go b/plumbing/format/pktline/encoder.go index 6d409795b..b6144faf5 100644 --- a/plumbing/format/pktline/encoder.go +++ b/plumbing/format/pktline/encoder.go @@ -7,6 +7,8 @@ import ( "errors" "fmt" "io" + + "github.com/go-git/go-git/v5/utils/trace" ) // An Encoder writes pkt-lines to an output stream. @@ -43,6 +45,7 @@ func NewEncoder(w io.Writer) *Encoder { // Flush encodes a flush-pkt to the output stream. func (e *Encoder) Flush() error { + defer trace.Packet.Print("packet: > 0000") _, err := e.w.Write(FlushPkt) return err } @@ -70,6 +73,7 @@ func (e *Encoder) encodeLine(p []byte) error { } n := len(p) + 4 + defer trace.Packet.Printf("packet: > %04x %s", n, p) if _, err := e.w.Write(asciiHex16(n)); err != nil { return err } diff --git a/plumbing/format/pktline/error.go b/plumbing/format/pktline/error.go new file mode 100644 index 000000000..2c0e5a72a --- /dev/null +++ b/plumbing/format/pktline/error.go @@ -0,0 +1,51 @@ +package pktline + +import ( + "bytes" + "errors" + "io" + "strings" +) + +var ( + // ErrInvalidErrorLine is returned by Decode when the packet line is not an + // error line. + ErrInvalidErrorLine = errors.New("expected an error-line") + + errPrefix = []byte("ERR ") +) + +// ErrorLine is a packet line that contains an error message. +// Once this packet is sent by client or server, the data transfer process is +// terminated. +// See https://git-scm.com/docs/pack-protocol#_pkt_line_format +type ErrorLine struct { + Text string +} + +// Error implements the error interface. +func (e *ErrorLine) Error() string { + return e.Text +} + +// Encode encodes the ErrorLine into a packet line. +func (e *ErrorLine) Encode(w io.Writer) error { + p := NewEncoder(w) + return p.Encodef("%s%s\n", string(errPrefix), e.Text) +} + +// Decode decodes a packet line into an ErrorLine. +func (e *ErrorLine) Decode(r io.Reader) error { + s := NewScanner(r) + if !s.Scan() { + return s.Err() + } + + line := s.Bytes() + if !bytes.HasPrefix(line, errPrefix) { + return ErrInvalidErrorLine + } + + e.Text = strings.TrimSpace(string(line[4:])) + return nil +} diff --git a/plumbing/format/pktline/error_test.go b/plumbing/format/pktline/error_test.go new file mode 100644 index 000000000..3cffd20d1 --- /dev/null +++ b/plumbing/format/pktline/error_test.go @@ -0,0 +1,68 @@ +package pktline + +import ( + "bytes" + "errors" + "io" + "testing" +) + +func TestEncodeEmptyErrorLine(t *testing.T) { + e := &ErrorLine{} + err := e.Encode(io.Discard) + if err != nil { + t.Fatal(err) + } +} + +func TestEncodeErrorLine(t *testing.T) { + e := &ErrorLine{ + Text: "something", + } + var buf bytes.Buffer + err := e.Encode(&buf) + if err != nil { + t.Fatal(err) + } + if buf.String() != "0012ERR something\n" { + t.Fatalf("unexpected encoded error line: %q", buf.String()) + } +} + +func TestDecodeEmptyErrorLine(t *testing.T) { + var buf bytes.Buffer + e := &ErrorLine{} + err := e.Decode(&buf) + if err != nil { + t.Fatal(err) + } + if e.Text != "" { + t.Fatalf("unexpected error line: %q", e.Text) + } +} + +func TestDecodeErrorLine(t *testing.T) { + var buf bytes.Buffer + buf.WriteString("000eERR foobar") + var e *ErrorLine + err := e.Decode(&buf) + if !errors.As(err, &e) { + t.Fatalf("expected error line, got: %T: %v", err, err) + } + if e.Text != "foobar" { + t.Fatalf("unexpected error line: %q", e.Text) + } +} + +func TestDecodeErrorLineLn(t *testing.T) { + var buf bytes.Buffer + buf.WriteString("000fERR foobar\n") + var e *ErrorLine + err := e.Decode(&buf) + if !errors.As(err, &e) { + t.Fatalf("expected error line, got: %T: %v", err, err) + } + if e.Text != "foobar" { + t.Fatalf("unexpected error line: %q", e.Text) + } +} diff --git a/plumbing/format/pktline/scanner.go b/plumbing/format/pktline/scanner.go index 99aab46e8..fbb137de0 100644 --- a/plumbing/format/pktline/scanner.go +++ b/plumbing/format/pktline/scanner.go @@ -1,8 +1,12 @@ package pktline import ( + "bytes" "errors" "io" + "strings" + + "github.com/go-git/go-git/v5/utils/trace" ) const ( @@ -65,6 +69,14 @@ func (s *Scanner) Scan() bool { return false } s.payload = s.payload[:l] + trace.Packet.Printf("packet: < %04x %s", l, s.payload) + + if bytes.HasPrefix(s.payload, errPrefix) { + s.err = &ErrorLine{ + Text: strings.TrimSpace(string(s.payload[4:])), + } + return false + } return true } diff --git a/plumbing/protocol/packp/common.go b/plumbing/protocol/packp/common.go index fef50a450..a858323e7 100644 --- a/plumbing/protocol/packp/common.go +++ b/plumbing/protocol/packp/common.go @@ -48,6 +48,11 @@ func isFlush(payload []byte) bool { return len(payload) == 0 } +var ( + // ErrNilWriter is returned when a nil writer is passed to the encoder. + ErrNilWriter = fmt.Errorf("nil writer") +) + // ErrUnexpectedData represents an unexpected data decoding a message type ErrUnexpectedData struct { Msg string diff --git a/plumbing/protocol/packp/gitproto.go b/plumbing/protocol/packp/gitproto.go new file mode 100644 index 000000000..0b7ff8f82 --- /dev/null +++ b/plumbing/protocol/packp/gitproto.go @@ -0,0 +1,120 @@ +package packp + +import ( + "fmt" + "io" + "strings" + + "github.com/go-git/go-git/v5/plumbing/format/pktline" +) + +var ( + // ErrInvalidGitProtoRequest is returned by Decode if the input is not a + // valid git protocol request. + ErrInvalidGitProtoRequest = fmt.Errorf("invalid git protocol request") +) + +// GitProtoRequest is a command request for the git protocol. +// It is used to send the command, endpoint, and extra parameters to the +// remote. +// See https://git-scm.com/docs/pack-protocol#_git_transport +type GitProtoRequest struct { + RequestCommand string + Pathname string + + // Optional + Host string + + // Optional + ExtraParams []string +} + +// validate validates the request. +func (g *GitProtoRequest) validate() error { + if g.RequestCommand == "" { + return fmt.Errorf("%w: empty request command", ErrInvalidGitProtoRequest) + } + + if g.Pathname == "" { + return fmt.Errorf("%w: empty pathname", ErrInvalidGitProtoRequest) + } + + return nil +} + +// Encode encodes the request into the writer. +func (g *GitProtoRequest) Encode(w io.Writer) error { + if w == nil { + return ErrNilWriter + } + + if err := g.validate(); err != nil { + return err + } + + p := pktline.NewEncoder(w) + req := fmt.Sprintf("%s %s\x00", g.RequestCommand, g.Pathname) + if host := g.Host; host != "" { + req += fmt.Sprintf("host=%s\x00", host) + } + + if len(g.ExtraParams) > 0 { + req += "\x00" + for _, param := range g.ExtraParams { + req += param + "\x00" + } + } + + if err := p.Encode([]byte(req)); err != nil { + return err + } + + return nil +} + +// Decode decodes the request from the reader. +func (g *GitProtoRequest) Decode(r io.Reader) error { + s := pktline.NewScanner(r) + if !s.Scan() { + err := s.Err() + if err == nil { + return ErrInvalidGitProtoRequest + } + return err + } + + line := string(s.Bytes()) + if len(line) == 0 { + return io.EOF + } + + if line[len(line)-1] != 0 { + return fmt.Errorf("%w: missing null terminator", ErrInvalidGitProtoRequest) + } + + parts := strings.SplitN(line, " ", 2) + if len(parts) != 2 { + return fmt.Errorf("%w: short request", ErrInvalidGitProtoRequest) + } + + g.RequestCommand = parts[0] + params := strings.Split(parts[1], string(null)) + if len(params) < 1 { + return fmt.Errorf("%w: missing pathname", ErrInvalidGitProtoRequest) + } + + g.Pathname = params[0] + if len(params) > 1 { + g.Host = strings.TrimPrefix(params[1], "host=") + } + + if len(params) > 2 { + for _, param := range params[2:] { + if param != "" { + g.ExtraParams = append(g.ExtraParams, param) + } + } + } + + return nil +} diff --git a/plumbing/protocol/packp/gitproto_test.go b/plumbing/protocol/packp/gitproto_test.go new file mode 100644 index 000000000..9cf1049fd --- /dev/null +++ b/plumbing/protocol/packp/gitproto_test.go @@ -0,0 +1,99 @@ +package packp + +import ( + "bytes" + "testing" +) + +func TestEncodeEmptyGitProtoRequest(t *testing.T) { + var buf bytes.Buffer + var p GitProtoRequest + err := p.Encode(&buf) + if err == nil { + t.Fatal("expected error") + } +} + +func TestEncodeGitProtoRequest(t *testing.T) { + var buf bytes.Buffer + p := GitProtoRequest{ + RequestCommand: "command", + Pathname: "pathname", + Host: "host", + ExtraParams: []string{"param1", "param2"}, + } + err := p.Encode(&buf) + if err != nil { + t.Fatal(err) + } + expected := "002ecommand pathname\x00host=host\x00\x00param1\x00param2\x00" + if buf.String() != expected { + t.Fatalf("expected %q, got %q", expected, buf.String()) + } +} + +func TestEncodeInvalidGitProtoRequest(t *testing.T) { + var buf bytes.Buffer + p := GitProtoRequest{ + RequestCommand: "command", + } + err := p.Encode(&buf) + if err == nil { + t.Fatal("expected error") + } +} + +func TestDecodeEmptyGitProtoRequest(t *testing.T) { + var buf bytes.Buffer + var p GitProtoRequest + err := p.Decode(&buf) + if err == nil { + t.Fatal("expected error") + } +} + +func TestDecodeGitProtoRequest(t *testing.T) { + var buf bytes.Buffer + buf.WriteString("002ecommand pathname\x00host=host\x00\x00param1\x00param2\x00") + var p GitProtoRequest + err := p.Decode(&buf) + if err != nil { + t.Fatal(err) + } + expected := GitProtoRequest{ + RequestCommand: "command", + Pathname: "pathname", + Host: "host", + ExtraParams: []string{"param1", "param2"}, + } + if p.RequestCommand != expected.RequestCommand { + t.Fatalf("expected %q, got %q", expected.RequestCommand, p.RequestCommand) + } + if p.Pathname != expected.Pathname { + t.Fatalf("expected %q, got %q", expected.Pathname, p.Pathname) + } + if p.Host != expected.Host { + t.Fatalf("expected %q, got %q", expected.Host, p.Host) + } + if len(p.ExtraParams) != len(expected.ExtraParams) { + t.Fatalf("expected %d, got %d", len(expected.ExtraParams), len(p.ExtraParams)) + } +} + +func TestDecodeInvalidGitProtoRequest(t *testing.T) { + var buf bytes.Buffer + buf.WriteString("0026command \x00host=host\x00\x00param1\x00param2") + var p GitProtoRequest + err := p.Decode(&buf) + if err == nil { + t.Fatal("expected error") + } +} + +func TestValidateEmptyGitProtoRequest(t *testing.T) { + var p GitProtoRequest + err := p.validate() + if err == nil { + t.Fatal("expected error") + } +} diff --git a/plumbing/serverinfo/serverinfo.go b/plumbing/serverinfo/serverinfo.go new file mode 100644 index 000000000..d7ea7ef06 --- /dev/null +++ b/plumbing/serverinfo/serverinfo.go @@ -0,0 +1,94 @@ +package serverinfo + +import ( + "fmt" + + "github.com/go-git/go-billy/v5" + "github.com/go-git/go-git/v5" + "github.com/go-git/go-git/v5/internal/reference" + "github.com/go-git/go-git/v5/plumbing" + "github.com/go-git/go-git/v5/plumbing/object" + "github.com/go-git/go-git/v5/plumbing/storer" + "github.com/go-git/go-git/v5/storage" +) + +// UpdateServerInfo updates the server info files in the repository. +// +// It generates a list of available refs for the repository. +// Used by git http transport (dumb), for more information refer to: +// https://git-scm.com/book/id/v2/Git-Internals-Transfer-Protocols#_the_dumb_protocol +func UpdateServerInfo(s storage.Storer, fs billy.Filesystem) error { + pos, ok := s.(storer.PackedObjectStorer) + if !ok { + return git.ErrPackedObjectsNotSupported + } + + infoRefs, err := fs.Create("info/refs") + if err != nil { + return err + } + + defer infoRefs.Close() + + refsIter, err := s.IterReferences() + if err != nil { + return err + } + + defer refsIter.Close() + + var refs []*plumbing.Reference + if err := refsIter.ForEach(func(ref *plumbing.Reference) error { + refs = append(refs, ref) + return nil + }); err != nil { + return err + } + + reference.Sort(refs) + for _, ref := range refs { + name := ref.Name() + hash := ref.Hash() + switch ref.Type() { + case plumbing.SymbolicReference: + if name == plumbing.HEAD { + continue + } + ref, err := s.Reference(ref.Target()) + if err != nil { + return err + } + + hash = ref.Hash() + fallthrough + case plumbing.HashReference: + fmt.Fprintf(infoRefs, "%s\t%s\n", hash, name) + if name.IsTag() { + tag, err := object.GetTag(s, hash) + if err == nil { + fmt.Fprintf(infoRefs, "%s\t%s^{}\n", tag.Target, name) + } + } + } + } + + infoPacks, err := fs.Create("objects/info/packs") + if err != nil { + return err + } + + defer infoPacks.Close() + + packs, err := pos.ObjectPacks() + if err != nil { + return err + } + + for _, p := range packs { + fmt.Fprintf(infoPacks, "P pack-%s.pack\n", p) + } + + fmt.Fprintln(infoPacks) + + return nil +} diff --git a/plumbing/serverinfo/serverinfo_test.go b/plumbing/serverinfo/serverinfo_test.go new file mode 100644 index 000000000..0a52ea2f9 --- /dev/null +++ b/plumbing/serverinfo/serverinfo_test.go @@ -0,0 +1,185 @@ +package serverinfo + +import ( + "io" + "strings" + "testing" + + "github.com/go-git/go-billy/v5" + "github.com/go-git/go-billy/v5/memfs" + fixtures "github.com/go-git/go-git-fixtures/v4" + "github.com/go-git/go-git/v5" + "github.com/go-git/go-git/v5/plumbing" + "github.com/go-git/go-git/v5/plumbing/object" + "github.com/go-git/go-git/v5/plumbing/storer" + "github.com/go-git/go-git/v5/storage" + "github.com/go-git/go-git/v5/storage/memory" + . "gopkg.in/check.v1" +) + +type ServerInfoSuite struct{} + +var _ = Suite(&ServerInfoSuite{}) + +func Test(t *testing.T) { TestingT(t) } + +func (s *ServerInfoSuite) TestUpdateServerInfoInit(c *C) { + fs := memfs.New() + st := memory.NewStorage() + r, err := git.Init(st, fs) + c.Assert(err, IsNil) + c.Assert(r, NotNil) + + err = UpdateServerInfo(st, fs) + c.Assert(err, IsNil) +} + +func assertInfoRefs(c *C, st storage.Storer, fs billy.Filesystem) { + refsFile, err := fs.Open("info/refs") + c.Assert(err, IsNil) + + defer refsFile.Close() + bts, err := io.ReadAll(refsFile) + c.Assert(err, IsNil) + + localRefs := make(map[plumbing.ReferenceName]plumbing.Hash) + for _, line := range strings.Split(string(bts), "\n") { + if line == "" { + continue + } + parts := strings.Split(line, "\t") + c.Assert(parts, HasLen, 2) + hash := plumbing.NewHash(parts[0]) + name := plumbing.ReferenceName(parts[1]) + localRefs[name] = hash + } + + refs, err := st.IterReferences() + c.Assert(err, IsNil) + + err = refs.ForEach(func(ref *plumbing.Reference) error { + name := ref.Name() + hash := ref.Hash() + switch ref.Type() { + case plumbing.SymbolicReference: + if name == plumbing.HEAD { + return nil + } + ref, err := st.Reference(ref.Target()) + c.Assert(err, IsNil) + hash = ref.Hash() + fallthrough + case plumbing.HashReference: + h, ok := localRefs[name] + c.Assert(ok, Equals, true) + c.Assert(h, Equals, hash) + if name.IsTag() { + tag, err := object.GetTag(st, hash) + if err == nil { + t, ok := localRefs[name+"^{}"] + c.Assert(ok, Equals, true) + c.Assert(t, Equals, tag.Target) + } + } + } + return nil + }) + + c.Assert(err, IsNil) +} + +func assertObjectPacks(c *C, st storage.Storer, fs billy.Filesystem) { + infoPacks, err := fs.Open("objects/info/packs") + c.Assert(err, IsNil) + + defer infoPacks.Close() + bts, err := io.ReadAll(infoPacks) + c.Assert(err, IsNil) + + pos, ok := st.(storer.PackedObjectStorer) + c.Assert(ok, Equals, true) + localPacks := make(map[string]struct{}) + packs, err := pos.ObjectPacks() + c.Assert(err, IsNil) + + for _, line := range strings.Split(string(bts), "\n") { + if line == "" { + continue + } + parts := strings.Split(line, " ") + c.Assert(parts, HasLen, 2) + pack := strings.TrimPrefix(parts[1], "pack-") + pack = strings.TrimSuffix(pack, ".pack") + localPacks[pack] = struct{}{} + } + + for _, p := range packs { + _, ok := localPacks[p.String()] + c.Assert(ok, Equals, true) + } +} + +func (s *ServerInfoSuite) TestUpdateServerInfoTags(c *C) { + fs := memfs.New() + st := memory.NewStorage() + r, err := git.Clone(st, fs, &git.CloneOptions{ + URL: fixtures.ByURL("https://github.com/git-fixtures/tags.git").One().URL, + }) + c.Assert(err, IsNil) + c.Assert(r, NotNil) + + err = UpdateServerInfo(st, fs) + c.Assert(err, IsNil) + + assertInfoRefs(c, st, fs) + assertObjectPacks(c, st, fs) +} + +func (s *ServerInfoSuite) TestUpdateServerInfoBasic(c *C) { + fs := memfs.New() + st := memory.NewStorage() + r, err := git.Clone(st, fs, &git.CloneOptions{ + URL: fixtures.Basic().One().URL, + }) + c.Assert(err, IsNil) + c.Assert(r, NotNil) + + err = UpdateServerInfo(st, fs) + c.Assert(err, IsNil) + + assertInfoRefs(c, st, fs) + assertObjectPacks(c, st, fs) +} + +func (s *ServerInfoSuite) TestUpdateServerInfoBasicChange(c *C) { + fs := memfs.New() + st := memory.NewStorage() + r, err := git.Clone(st, fs, &git.CloneOptions{ + URL: fixtures.Basic().One().URL, + }) + c.Assert(err, IsNil) + c.Assert(r, NotNil) + + err = UpdateServerInfo(st, fs) + c.Assert(err, IsNil) + + assertInfoRefs(c, st, fs) + assertObjectPacks(c, st, fs) + + head, err := r.Head() + c.Assert(err, IsNil) + + ref := plumbing.NewHashReference("refs/heads/my-branch", head.Hash()) + err = r.Storer.SetReference(ref) + c.Assert(err, IsNil) + + _, err = r.CreateTag("test-tag", head.Hash(), &git.CreateTagOptions{ + Message: "test-tag", + }) + c.Assert(err, IsNil) + + err = UpdateServerInfo(st, fs) + + assertInfoRefs(c, st, fs) + assertObjectPacks(c, st, fs) +} diff --git a/plumbing/transport/file/client.go b/plumbing/transport/file/client.go index 6f0a38012..38714e2ad 100644 --- a/plumbing/transport/file/client.go +++ b/plumbing/transport/file/client.go @@ -11,7 +11,6 @@ import ( "github.com/go-git/go-git/v5/plumbing/transport" "github.com/go-git/go-git/v5/plumbing/transport/internal/common" - "github.com/go-git/go-git/v5/utils/ioutil" "golang.org/x/sys/execabs" ) @@ -112,7 +111,7 @@ func (c *command) Start() error { func (c *command) StderrPipe() (io.Reader, error) { // Pipe returned by Command.StderrPipe has a race with Read + Command.Wait. // We use an io.Pipe and close it after the command finishes. - r, w := ioutil.Pipe() + r, w := io.Pipe() c.cmd.Stderr = w c.stderrCloser = r return r, nil diff --git a/plumbing/transport/file/common_test.go b/plumbing/transport/file/common_test.go index 7e033a80b..a217e9716 100644 --- a/plumbing/transport/file/common_test.go +++ b/plumbing/transport/file/common_test.go @@ -29,8 +29,8 @@ func (s *CommonSuite) SetUpSuite(c *C) { s.ReceivePackBin = filepath.Join(s.tmpDir, "git-receive-pack") s.UploadPackBin = filepath.Join(s.tmpDir, "git-upload-pack") bin := filepath.Join(s.tmpDir, "go-git") - cmd := exec.Command("go", "build", "-o", bin, - "../../../cli/go-git/...") + cmd := exec.Command("go", "build", "-o", bin) + cmd.Dir = "../../../cli/go-git" c.Assert(cmd.Run(), IsNil) c.Assert(os.Symlink(bin, s.ReceivePackBin), IsNil) c.Assert(os.Symlink(bin, s.UploadPackBin), IsNil) diff --git a/plumbing/transport/git/common.go b/plumbing/transport/git/common.go index 92fc0becc..2b878b035 100644 --- a/plumbing/transport/git/common.go +++ b/plumbing/transport/git/common.go @@ -2,12 +2,11 @@ package git import ( - "fmt" "io" "net" "strconv" - "github.com/go-git/go-git/v5/plumbing/format/pktline" + "github.com/go-git/go-git/v5/plumbing/protocol/packp" "github.com/go-git/go-git/v5/plumbing/transport" "github.com/go-git/go-git/v5/plumbing/transport/internal/common" "github.com/go-git/go-git/v5/utils/ioutil" @@ -42,10 +41,18 @@ type command struct { // Start executes the command sending the required message to the TCP connection func (c *command) Start() error { - cmd := endpointToCommand(c.command, c.endpoint) + req := packp.GitProtoRequest{ + RequestCommand: c.command, + Pathname: c.endpoint.Path, + } + host := c.endpoint.Host + if c.endpoint.Port != DefaultPort { + host = net.JoinHostPort(c.endpoint.Host, strconv.Itoa(c.endpoint.Port)) + } + + req.Host = host - e := pktline.NewEncoder(c.conn) - return e.Encode([]byte(cmd)) + return req.Encode(c.conn) } func (c *command) connect() error { @@ -90,15 +97,6 @@ func (c *command) StdoutPipe() (io.Reader, error) { return c.conn, nil } -func endpointToCommand(cmd string, ep *transport.Endpoint) string { - host := ep.Host - if ep.Port != DefaultPort { - host = net.JoinHostPort(ep.Host, strconv.Itoa(ep.Port)) - } - - return fmt.Sprintf("%s %s%chost=%s%c", cmd, ep.Path, 0, host, 0) -} - // Close closes the TCP connection and connection. func (c *command) Close() error { if !c.connected { diff --git a/plumbing/transport/git/common_test.go b/plumbing/transport/git/common_test.go index 73899198f..3cab93314 100644 --- a/plumbing/transport/git/common_test.go +++ b/plumbing/transport/git/common_test.go @@ -1,6 +1,7 @@ package git import ( + "bytes" "fmt" "net" "os" @@ -32,7 +33,12 @@ func (s *BaseSuite) SetUpTest(c *C) { See https://github.com/git-for-windows/git/issues/907`) } - var err error + cmd := exec.Command("git", "daemon", "--help") + output, err := cmd.CombinedOutput() + if err != nil && bytes.Contains(output, []byte("'daemon' is not a git command")) { + c.Fatal("git daemon cannot be found") + } + s.port, err = freePort() c.Assert(err, IsNil) @@ -85,11 +91,15 @@ func (s *BaseSuite) prepareRepository(c *C, f *fixtures.Fixture, name string) *t } func (s *BaseSuite) TearDownTest(c *C) { - _ = s.daemon.Process.Signal(os.Kill) - _ = s.daemon.Wait() + if s.daemon != nil { + _ = s.daemon.Process.Signal(os.Kill) + _ = s.daemon.Wait() + } - err := os.RemoveAll(s.base) - c.Assert(err, IsNil) + if s.base != "" { + err := os.RemoveAll(s.base) + c.Assert(err, IsNil) + } } func freePort() (int, error) { diff --git a/plumbing/transport/internal/common/common.go b/plumbing/transport/internal/common/common.go index 6574116b1..9e1d02357 100644 --- a/plumbing/transport/internal/common/common.go +++ b/plumbing/transport/internal/common/common.go @@ -203,9 +203,22 @@ func (s *session) AdvertisedReferencesContext(ctx context.Context) (*packp.AdvRe } func (s *session) handleAdvRefDecodeError(err error) error { + var errLine *pktline.ErrorLine + if errors.As(err, &errLine) { + if isRepoNotFoundError(errLine.Text) { + return transport.ErrRepositoryNotFound + } + + return errLine + } + // If repository is not found, we get empty stdout and server writes an // error to stderr. - if err == packp.ErrEmptyInput { + if errors.Is(err, packp.ErrEmptyInput) { + // TODO:(v6): handle this error in a better way. + // Instead of checking the stderr output for a specific error message, + // define an ExitError and embed the stderr output and exit (if one + // exists) in the error struct. Just like exec.ExitError. s.finished = true if err := s.checkNotFoundError(); err != nil { return err @@ -245,6 +258,12 @@ func (s *session) handleAdvRefDecodeError(err error) error { // returned with the packfile content. The reader must be closed after reading. func (s *session) UploadPack(ctx context.Context, req *packp.UploadPackRequest) (*packp.UploadPackResponse, error) { if req.IsEmpty() { + // XXX: IsEmpty means haves are a subset of wants, in that case we have + // everything we asked for. Close the connection and return nil. + if err := s.finish(); err != nil { + return nil, err + } + // TODO:(v6) return nil here return nil, transport.ErrEmptyUploadPackRequest } @@ -393,59 +412,43 @@ func (s *session) checkNotFoundError() error { return transport.ErrRepositoryNotFound } + // TODO:(v6): return server error just as it is without a prefix return fmt.Errorf("unknown error: %s", line) } } -var ( - githubRepoNotFoundErr = "ERROR: Repository not found." - bitbucketRepoNotFoundErr = "conq: repository does not exist." +const ( + githubRepoNotFoundErr = "Repository not found." + bitbucketRepoNotFoundErr = "repository does not exist." localRepoNotFoundErr = "does not appear to be a git repository" - gitProtocolNotFoundErr = "ERR \n Repository not found." - gitProtocolNoSuchErr = "ERR no such repository" - gitProtocolAccessDeniedErr = "ERR access denied" - gogsAccessDeniedErr = "Gogs: Repository does not exist or you do not have access" - gitlabRepoNotFoundErr = "remote: ERROR: The project you were looking for could not be found" + gitProtocolNotFoundErr = "Repository not found." + gitProtocolNoSuchErr = "no such repository" + gitProtocolAccessDeniedErr = "access denied" + gogsAccessDeniedErr = "Repository does not exist or you do not have access" + gitlabRepoNotFoundErr = "The project you were looking for could not be found" ) func isRepoNotFoundError(s string) bool { - if strings.HasPrefix(s, githubRepoNotFoundErr) { - return true - } - - if strings.HasPrefix(s, bitbucketRepoNotFoundErr) { - return true - } - - if strings.HasSuffix(s, localRepoNotFoundErr) { - return true - } - - if strings.HasPrefix(s, gitProtocolNotFoundErr) { - return true - } - - if strings.HasPrefix(s, gitProtocolNoSuchErr) { - return true - } - - if strings.HasPrefix(s, gitProtocolAccessDeniedErr) { - return true - } - - if strings.HasPrefix(s, gogsAccessDeniedErr) { - return true - } - - if strings.HasPrefix(s, gitlabRepoNotFoundErr) { - return true + for _, err := range []string{ + githubRepoNotFoundErr, + bitbucketRepoNotFoundErr, + localRepoNotFoundErr, + gitProtocolNotFoundErr, + gitProtocolNoSuchErr, + gitProtocolAccessDeniedErr, + gogsAccessDeniedErr, + gitlabRepoNotFoundErr, + } { + if strings.Contains(s, err) { + return true + } } return false } // uploadPack implements the git-upload-pack protocol. -func uploadPack(w io.WriteCloser, r io.Reader, req *packp.UploadPackRequest) error { +func uploadPack(w io.WriteCloser, _ io.Reader, req *packp.UploadPackRequest) error { // TODO support multi_ack mode // TODO support multi_ack_detailed mode // TODO support acks for common objects diff --git a/plumbing/transport/internal/common/common_test.go b/plumbing/transport/internal/common/common_test.go index f6f2f67d2..9344bb62b 100644 --- a/plumbing/transport/internal/common/common_test.go +++ b/plumbing/transport/internal/common/common_test.go @@ -22,64 +22,8 @@ func (s *CommonSuite) TestIsRepoNotFoundErrorForUnknownSource(c *C) { c.Assert(isRepoNotFound, Equals, false) } -func (s *CommonSuite) TestIsRepoNotFoundErrorForGithub(c *C) { - msg := fmt.Sprintf("%s : some error stuf", githubRepoNotFoundErr) - - isRepoNotFound := isRepoNotFoundError(msg) - - c.Assert(isRepoNotFound, Equals, true) -} - -func (s *CommonSuite) TestIsRepoNotFoundErrorForBitBucket(c *C) { - msg := fmt.Sprintf("%s : some error stuf", bitbucketRepoNotFoundErr) - - isRepoNotFound := isRepoNotFoundError(msg) - - c.Assert(isRepoNotFound, Equals, true) -} - -func (s *CommonSuite) TestIsRepoNotFoundErrorForLocal(c *C) { - msg := fmt.Sprintf("some error stuf : %s", localRepoNotFoundErr) - - isRepoNotFound := isRepoNotFoundError(msg) - - c.Assert(isRepoNotFound, Equals, true) -} - -func (s *CommonSuite) TestIsRepoNotFoundErrorForGitProtocolNotFound(c *C) { - msg := fmt.Sprintf("%s : some error stuf", gitProtocolNotFoundErr) - - isRepoNotFound := isRepoNotFoundError(msg) - - c.Assert(isRepoNotFound, Equals, true) -} - -func (s *CommonSuite) TestIsRepoNotFoundErrorForGitProtocolNoSuch(c *C) { - msg := fmt.Sprintf("%s : some error stuf", gitProtocolNoSuchErr) - - isRepoNotFound := isRepoNotFoundError(msg) - - c.Assert(isRepoNotFound, Equals, true) -} - -func (s *CommonSuite) TestIsRepoNotFoundErrorForGitProtocolAccessDenied(c *C) { - msg := fmt.Sprintf("%s : some error stuf", gitProtocolAccessDeniedErr) - - isRepoNotFound := isRepoNotFoundError(msg) - - c.Assert(isRepoNotFound, Equals, true) -} - -func (s *CommonSuite) TestIsRepoNotFoundErrorForGogsAccessDenied(c *C) { - msg := fmt.Sprintf("%s : some error stuf", gogsAccessDeniedErr) - - isRepoNotFound := isRepoNotFoundError(msg) - - c.Assert(isRepoNotFound, Equals, true) -} - -func (s *CommonSuite) TestIsRepoNotFoundErrorForGitlab(c *C) { - msg := fmt.Sprintf("%s : some error stuf", gitlabRepoNotFoundErr) +func (s *CommonSuite) TestIsRepoNotFoundError(c *C) { + msg := "no such repository : some error stuf" isRepoNotFound := isRepoNotFoundError(msg) diff --git a/plumbing/transport/server/server.go b/plumbing/transport/server/server.go index 11fa0c801..cf5d6f43f 100644 --- a/plumbing/transport/server/server.go +++ b/plumbing/transport/server/server.go @@ -166,7 +166,7 @@ func (s *upSession) UploadPack(ctx context.Context, req *packp.UploadPackRequest return nil, err } - pr, pw := ioutil.Pipe() + pr, pw := io.Pipe() e := packfile.NewEncoder(pw, s.storer, false) go func() { // TODO: plumb through a pack window. diff --git a/plumbing/transport/ssh/common.go b/plumbing/transport/ssh/common.go index 15316038b..46fda73fa 100644 --- a/plumbing/transport/ssh/common.go +++ b/plumbing/transport/ssh/common.go @@ -168,7 +168,7 @@ func dial(network, addr string, proxyOpts transport.ProxyOptions, config *ssh.Cl defer cancel() var conn net.Conn - var err error + var dialErr error if proxyOpts.URL != "" { proxyUrl, err := proxyOpts.FullURL() @@ -186,12 +186,12 @@ func dial(network, addr string, proxyOpts transport.ProxyOptions, config *ssh.Cl return nil, fmt.Errorf("expected ssh proxy dialer to be of type %s; got %s", reflect.TypeOf(ctxDialer), reflect.TypeOf(dialer)) } - conn, err = ctxDialer.DialContext(ctx, "tcp", addr) + conn, dialErr = ctxDialer.DialContext(ctx, "tcp", addr) } else { - conn, err = proxy.Dial(ctx, network, addr) + conn, dialErr = proxy.Dial(ctx, network, addr) } - if err != nil { - return nil, err + if dialErr != nil { + return nil, dialErr } c, chans, reqs, err := ssh.NewClientConn(conn, addr, config) diff --git a/plumbing/transport/ssh/common_test.go b/plumbing/transport/ssh/common_test.go index 496e82d17..4cc2a0693 100644 --- a/plumbing/transport/ssh/common_test.go +++ b/plumbing/transport/ssh/common_test.go @@ -172,6 +172,28 @@ func (s *SuiteCommon) TestIssue70(c *C) { c.Assert(err, IsNil) } +/* +Given, an endpoint to a git server with a socks5 proxy URL, +When, the socks5 proxy server is not reachable, +Then, there should not be any panic and an error with appropriate message should be returned. +Related issue : https://github.com/go-git/go-git/pull/900 +*/ +func (s *SuiteCommon) TestInvalidSocks5Proxy(c *C) { + ep, err := transport.NewEndpoint("git@github.com:foo/bar.git") + c.Assert(err, IsNil) + ep.Proxy.URL = "socks5://127.0.0.1:1080" + + auth, err := NewPublicKeys("foo", testdata.PEMBytes["rsa"], "") + c.Assert(err, IsNil) + c.Assert(auth, NotNil) + + ps, err := DefaultClient.NewUploadPackSession(ep, auth) + //Since the proxy server is not running, we expect an error. + c.Assert(ps, IsNil) + c.Assert(err, NotNil) + c.Assert(err, ErrorMatches, "socks connect .* dial tcp 127.0.0.1:1080: .*") +} + type mockSSHConfig struct { Values map[string]map[string]string } diff --git a/remote.go b/remote.go index 2ffffe7b6..8ca9b102f 100644 --- a/remote.go +++ b/remote.go @@ -552,6 +552,10 @@ func (r *Remote) fetchPack(ctx context.Context, o *FetchOptions, s transport.Upl reader, err := s.UploadPack(ctx, req) if err != nil { + if errors.Is(err, transport.ErrEmptyUploadPackRequest) { + // XXX: no packfile provided, everything is up-to-date. + return nil + } return err } @@ -1198,9 +1202,9 @@ func (r *Remote) updateLocalReferenceStorage( old, _ := storer.ResolveReference(r.s, localName) new := plumbing.NewHashReference(localName, ref.Hash()) - // If the ref exists locally as a branch and force is not specified, - // only update if the new ref is an ancestor of the old - if old != nil && old.Name().IsBranch() && !force && !spec.IsForceUpdate() { + // If the ref exists locally as a non-tag and force is not + // specified, only update if the new ref is an ancestor of the old + if old != nil && !old.Name().IsTag() && !force && !spec.IsForceUpdate() { ff, err := isFastForward(r.s, old.Hash(), new.Hash()) if err != nil { return updated, err @@ -1387,7 +1391,7 @@ func pushHashes( allDelete bool, ) (*packp.ReportStatus, error) { - rd, wr := ioutil.Pipe() + rd, wr := io.Pipe() config, err := s.Config() if err != nil { diff --git a/remote_test.go b/remote_test.go index e0c333294..81c60bcb8 100644 --- a/remote_test.go +++ b/remote_test.go @@ -4,16 +4,20 @@ import ( "bytes" "context" "errors" + "fmt" "io" "os" "path/filepath" "runtime" "strings" + "testing" "time" + "github.com/go-git/go-billy/v5/memfs" "github.com/go-git/go-git/v5/config" "github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/cache" + "github.com/go-git/go-git/v5/plumbing/object" "github.com/go-git/go-git/v5/plumbing/protocol/packp" "github.com/go-git/go-git/v5/plumbing/protocol/packp/capability" "github.com/go-git/go-git/v5/plumbing/storer" @@ -1555,3 +1559,140 @@ func (s *RemoteSuite) TestFetchAfterShallowClone(c *C) { plumbing.NewSymbolicReference("HEAD", "refs/heads/master"), }) } + +func TestFetchFastForwardForCustomRef(t *testing.T) { + customRef := "refs/custom/branch" + // 1. Set up a remote with a URL + remoteURL := t.TempDir() + remoteRepo, err := PlainInit(remoteURL, true) + if err != nil { + t.Fatal(err) + } + + // 2. Add a commit with an empty tree to master and custom ref, also set HEAD + emptyTreeID := writeEmptyTree(t, remoteRepo) + writeCommitToRef(t, remoteRepo, "refs/heads/master", emptyTreeID, time.Now()) + writeCommitToRef(t, remoteRepo, customRef, emptyTreeID, time.Now()) + if err := remoteRepo.Storer.SetReference(plumbing.NewSymbolicReference(plumbing.HEAD, "refs/heads/master")); err != nil { + t.Fatal(err) + } + + // 3. Clone repo, then fetch the custom ref + // Note that using custom ref in ReferenceName has an IsBranch issue + localRepo, err := Clone(memory.NewStorage(), memfs.New(), &CloneOptions{ + URL: remoteURL, + }) + if err != nil { + t.Fatal(err) + } + if err := localRepo.Fetch(&FetchOptions{ + RefSpecs: []config.RefSpec{ + config.RefSpec(fmt.Sprintf("%s:%s", customRef, customRef)), + }, + }); err != nil { + t.Fatal(err) + } + + // 4. Make divergent changes + remoteCommitID := writeCommitToRef(t, remoteRepo, customRef, emptyTreeID, time.Now()) + // Consecutive calls to writeCommitToRef with time.Now() might have the same + // time value, explicitly set distinct ones to ensure the commit hashes + // differ + writeCommitToRef(t, localRepo, customRef, emptyTreeID, time.Now().Add(time.Second)) + + // 5. Try to fetch with fast-forward only mode + remote, err := localRepo.Remote(DefaultRemoteName) + if err != nil { + t.Fatal(err) + } + + err = remote.Fetch(&FetchOptions{RefSpecs: []config.RefSpec{ + config.RefSpec(fmt.Sprintf("%s:%s", customRef, customRef)), + }}) + if !errors.Is(err, ErrForceNeeded) { + t.Errorf("expected %v, got %v", ErrForceNeeded, err) + } + + // 6. Fetch with force + err = remote.Fetch(&FetchOptions{RefSpecs: []config.RefSpec{ + config.RefSpec(fmt.Sprintf("+%s:%s", customRef, customRef)), + }}) + if err != nil { + t.Errorf("unexpected error %v", err) + } + + // 7. Assert commit ID matches + ref, err := localRepo.Reference(plumbing.ReferenceName(customRef), true) + if err != nil { + t.Fatal(err) + } + if remoteCommitID != ref.Hash() { + t.Errorf("expected %s, got %s", remoteCommitID.String(), ref.Hash().String()) + } +} + +func writeEmptyTree(t *testing.T, repo *Repository) plumbing.Hash { + t.Helper() + + obj := repo.Storer.NewEncodedObject() + obj.SetType(plumbing.TreeObject) + + tree := object.Tree{Entries: nil} + if err := tree.Encode(obj); err != nil { + t.Fatal(err) + } + + treeID, err := repo.Storer.SetEncodedObject(obj) + if err != nil { + t.Fatal(err) + } + + return treeID +} + +func writeCommitToRef(t *testing.T, repo *Repository, refName string, treeID plumbing.Hash, when time.Time) plumbing.Hash { + t.Helper() + + ref, err := repo.Reference(plumbing.ReferenceName(refName), true) + if err != nil { + if errors.Is(err, plumbing.ErrReferenceNotFound) { + if err := repo.Storer.SetReference(plumbing.NewHashReference(plumbing.ReferenceName(refName), plumbing.ZeroHash)); err != nil { + t.Fatal(err) + } + + ref, err = repo.Reference(plumbing.ReferenceName(refName), true) + if err != nil { + t.Fatal(err) + } + } else { + t.Fatal(err) + } + } + + commit := &object.Commit{ + TreeHash: treeID, + Author: object.Signature{ + When: when, + }, + } + if !ref.Hash().IsZero() { + commit.ParentHashes = []plumbing.Hash{ref.Hash()} + } + + obj := repo.Storer.NewEncodedObject() + if err := commit.Encode(obj); err != nil { + t.Fatal(err) + } + + commitID, err := repo.Storer.SetEncodedObject(obj) + if err != nil { + t.Fatal(err) + } + + newRef := plumbing.NewHashReference(plumbing.ReferenceName(refName), commitID) + if err := repo.Storer.CheckAndSetReference(newRef, ref); err != nil { + t.Fatal(err) + } + + return commitID +} diff --git a/repository_test.go b/repository_test.go index f6839b6da..35a62f131 100644 --- a/repository_test.go +++ b/repository_test.go @@ -3311,20 +3311,25 @@ func BenchmarkObjects(b *testing.B) { } func BenchmarkPlainClone(b *testing.B) { - for i := 0; i < b.N; i++ { - t, err := os.MkdirTemp("", "") - if err != nil { - b.Fatal(err) - } - _, err = PlainClone(t, false, &CloneOptions{ - URL: "https://github.com/knqyf263/vuln-list", - Depth: 1, + b.StopTimer() + clone := func(b *testing.B) { + _, err := PlainClone(b.TempDir(), true, &CloneOptions{ + URL: "https://github.com/go-git/go-git.git", + Depth: 1, + Tags: NoTags, + SingleBranch: true, }) if err != nil { b.Error(err) } - b.StopTimer() - os.RemoveAll(t) - b.StartTimer() + } + + // Warm-up as the initial clone could have a higher cost which + // may skew results. + clone(b) + + b.StartTimer() + for i := 0; i < b.N; i++ { + clone(b) } } diff --git a/storage/filesystem/object.go b/storage/filesystem/object.go index 846a7b860..e812fe934 100644 --- a/storage/filesystem/object.go +++ b/storage/filesystem/object.go @@ -146,6 +146,19 @@ func (s *ObjectStorage) SetEncodedObject(o plumbing.EncodedObject) (h plumbing.H return o.Hash(), err } +// LazyWriter returns a lazy ObjectWriter that is bound to a DotGit file. +// It first write the header passing on the object type and size, so +// that the object contents can be written later, without the need to +// create a MemoryObject and buffering its entire contents into memory. +func (s *ObjectStorage) LazyWriter() (w io.WriteCloser, wh func(typ plumbing.ObjectType, sz int64) error, err error) { + ow, err := s.dir.NewObject() + if err != nil { + return nil, nil, err + } + + return ow, ow.WriteHeader, nil +} + // HasEncodedObject returns nil if the object exists, without actually // reading the object data from storage. func (s *ObjectStorage) HasEncodedObject(h plumbing.Hash) (err error) { diff --git a/utils/ioutil/common.go b/utils/ioutil/common.go index b0ace4e62..235af717b 100644 --- a/utils/ioutil/common.go +++ b/utils/ioutil/common.go @@ -195,7 +195,7 @@ func NewWriterOnError(w io.Writer, notify func(error)) io.Writer { } // NewWriteCloserOnError returns a io.WriteCloser that call the notify function -//when an unexpected (!io.EOF) error happens, after call Write function. +// when an unexpected (!io.EOF) error happens, after call Write function. func NewWriteCloserOnError(w io.WriteCloser, notify func(error)) io.WriteCloser { return NewWriteCloser(NewWriterOnError(w, notify), w) } @@ -208,13 +208,3 @@ func (r *writerOnError) Write(p []byte) (n int, err error) { return } - -type PipeReader interface { - io.ReadCloser - CloseWithError(err error) error -} - -type PipeWriter interface { - io.WriteCloser - CloseWithError(err error) error -} diff --git a/utils/ioutil/pipe.go b/utils/ioutil/pipe.go deleted file mode 100644 index f30c452fa..000000000 --- a/utils/ioutil/pipe.go +++ /dev/null @@ -1,9 +0,0 @@ -// +build !js - -package ioutil - -import "io" - -func Pipe() (PipeReader, PipeWriter) { - return io.Pipe() -} diff --git a/utils/ioutil/pipe_js.go b/utils/ioutil/pipe_js.go deleted file mode 100644 index cf102e6ef..000000000 --- a/utils/ioutil/pipe_js.go +++ /dev/null @@ -1,9 +0,0 @@ -// +build js - -package ioutil - -import "github.com/acomagu/bufpipe" - -func Pipe() (PipeReader, PipeWriter) { - return bufpipe.New(nil) -} diff --git a/utils/merkletrie/filesystem/node.go b/utils/merkletrie/filesystem/node.go index ad169ff4a..7bba0d03e 100644 --- a/utils/merkletrie/filesystem/node.go +++ b/utils/merkletrie/filesystem/node.go @@ -103,6 +103,10 @@ func (n *node) calculateChildren() error { continue } + if file.Mode()&os.ModeSocket != 0 { + continue + } + c, err := n.newChildNode(file) if err != nil { return err diff --git a/utils/merkletrie/filesystem/node_test.go b/utils/merkletrie/filesystem/node_test.go index 159e63dcd..b76abc412 100644 --- a/utils/merkletrie/filesystem/node_test.go +++ b/utils/merkletrie/filesystem/node_test.go @@ -2,9 +2,12 @@ package filesystem import ( "bytes" + "fmt" "io" + "net" "os" "path" + "runtime" "testing" "github.com/go-git/go-git/v5/plumbing" @@ -13,6 +16,7 @@ import ( "github.com/go-git/go-billy/v5" "github.com/go-git/go-billy/v5/memfs" + "github.com/go-git/go-billy/v5/osfs" . "gopkg.in/check.v1" ) @@ -196,6 +200,28 @@ func (s *NoderSuite) TestDiffDirectory(c *C) { c.Assert(a, Equals, merkletrie.Modify) } +func (s *NoderSuite) TestSocket(c *C) { + if runtime.GOOS == "windows" { + c.Skip("socket files do not exist on windows") + } + + td, err := os.MkdirTemp("", "socket-test") + defer os.RemoveAll(td) + c.Assert(err, IsNil) + + sock, err := net.ListenUnix("unix", &net.UnixAddr{Name: fmt.Sprintf("%s/socket", td), Net: "unix"}) + c.Assert(err, IsNil) + defer sock.Close() + + fsA := osfs.New(td) + WriteFile(fsA, "foo", []byte("foo"), 0644) + + noder := NewRootNode(fsA, nil) + childs, err := noder.Children() + c.Assert(err, IsNil) + c.Assert(childs, HasLen, 1) +} + func WriteFile(fs billy.Filesystem, filename string, data []byte, perm os.FileMode) error { f, err := fs.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm) if err != nil { diff --git a/utils/trace/trace.go b/utils/trace/trace.go new file mode 100644 index 000000000..3e15c5b9f --- /dev/null +++ b/utils/trace/trace.go @@ -0,0 +1,55 @@ +package trace + +import ( + "fmt" + "log" + "os" + "sync/atomic" +) + +var ( + // logger is the logger to use for tracing. + logger = newLogger() + + // current is the targets that are enabled for tracing. + current atomic.Int32 +) + +func newLogger() *log.Logger { + return log.New(os.Stderr, "", log.Ltime|log.Lmicroseconds|log.Lshortfile) +} + +// Target is a tracing target. +type Target int32 + +const ( + // General traces general operations. + General Target = 1 << iota + + // Packet traces git packets. + Packet +) + +// SetTarget sets the tracing targets. +func SetTarget(target Target) { + current.Store(int32(target)) +} + +// SetLogger sets the logger to use for tracing. +func SetLogger(l *log.Logger) { + logger = l +} + +// Print prints the given message only if the target is enabled. +func (t Target) Print(args ...interface{}) { + if int32(t)¤t.Load() != 0 { + logger.Output(2, fmt.Sprint(args...)) // nolint: errcheck + } +} + +// Printf prints the given message only if the target is enabled. +func (t Target) Printf(format string, args ...interface{}) { + if int32(t)¤t.Load() != 0 { + logger.Output(2, fmt.Sprintf(format, args...)) // nolint: errcheck + } +} diff --git a/utils/trace/trace_test.go b/utils/trace/trace_test.go new file mode 100644 index 000000000..6f8f14094 --- /dev/null +++ b/utils/trace/trace_test.go @@ -0,0 +1,95 @@ +package trace + +import ( + "bytes" + "io" + "log" + "testing" +) + +func TestMain(m *testing.M) { + defer SetLogger(newLogger()) + if code := m.Run(); code != 0 { + panic(code) + } +} + +func setUpTest(t testing.TB, buf *bytes.Buffer) { + t.Cleanup(func() { + if buf != nil { + buf.Reset() + } + SetTarget(0) + }) + w := io.Discard + if buf != nil { + w = buf + } + SetLogger(log.New(w, "", 0)) +} + +func TestEmpty(t *testing.T) { + var buf bytes.Buffer + setUpTest(t, &buf) + General.Print("test") + if buf.String() != "" { + t.Error("expected empty string") + } +} + +func TestOneTarget(t *testing.T) { + var buf bytes.Buffer + setUpTest(t, &buf) + SetTarget(General) + General.Print("test") + if buf.String() != "test\n" { + t.Error("expected 'test'") + } +} + +func TestMultipleTargets(t *testing.T) { + var buf bytes.Buffer + setUpTest(t, &buf) + SetTarget(General | Packet) + General.Print("a") + Packet.Print("b") + if buf.String() != "a\nb\n" { + t.Error("expected 'a\nb\n'") + } +} + +func TestPrintf(t *testing.T) { + var buf bytes.Buffer + setUpTest(t, &buf) + SetTarget(General) + General.Printf("a %d", 1) + if buf.String() != "a 1\n" { + t.Error("expected 'a 1\n'") + } +} + +func TestDisabledMultipleTargets(t *testing.T) { + var buf bytes.Buffer + setUpTest(t, &buf) + SetTarget(General) + General.Print("a") + Packet.Print("b") + if buf.String() != "a\n" { + t.Error("expected 'a\n'") + } +} + +func BenchmarkDisabledTarget(b *testing.B) { + setUpTest(b, nil) + for i := 0; i < b.N; i++ { + General.Print("test") + } +} + +func BenchmarkEnabledTarget(b *testing.B) { + setUpTest(b, nil) + SetTarget(General) + for i := 0; i < b.N; i++ { + General.Print("test") + } +} diff --git a/worktree_test.go b/worktree_test.go index 712695ae2..180bfb0b4 100644 --- a/worktree_test.go +++ b/worktree_test.go @@ -299,6 +299,20 @@ func (s *WorktreeSuite) TestPullAlreadyUptodate(c *C) { c.Assert(err, Equals, NoErrAlreadyUpToDate) } +func (s *WorktreeSuite) TestPullDepth(c *C) { + r, err := Clone(memory.NewStorage(), memfs.New(), &CloneOptions{ + URL: fixtures.Basic().One().URL, + Depth: 1, + }) + + c.Assert(err, IsNil) + + w, err := r.Worktree() + c.Assert(err, IsNil) + err = w.Pull(&PullOptions{}) + c.Assert(err, Equals, nil) +} + func (s *WorktreeSuite) TestCheckout(c *C) { fs := memfs.New() w := &Worktree{ pFad - Phonifier reborn

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