From 275e0b4675669f083bf6337cc07cfbdf1e960fae Mon Sep 17 00:00:00 2001 From: Alex Vanin Date: Fri, 30 Jun 2023 18:54:50 +0300 Subject: [PATCH] Initial commit Signed-off-by: Alex Vanin --- action.yaml | 5 ++ go.mod | 31 +++++++++++++ go.sum | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++ main.go | 84 +++++++++++++++++++++++++++++++++ 4 files changed, 250 insertions(+) create mode 100644 action.yaml create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go diff --git a/action.yaml b/action.yaml new file mode 100644 index 0000000..017377b --- /dev/null +++ b/action.yaml @@ -0,0 +1,5 @@ +name: 'DCO check' +description: 'DCO check' +runs: + using: 'go' + main: 'main.go' diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..fd30ccd --- /dev/null +++ b/go.mod @@ -0,0 +1,31 @@ +module dco-go + +go 1.20 + +require ( + github.com/go-git/go-git/v5 v5.7.0 + github.com/sethvargo/go-githubactions v1.1.0 +) + +require ( + github.com/Microsoft/go-winio v0.5.2 // indirect + github.com/ProtonMail/go-crypto v0.0.0-20230518184743-7afd39499903 // indirect + github.com/acomagu/bufpipe v1.0.4 // indirect + github.com/cloudflare/circl v1.3.3 // 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 v5.4.1 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/imdario/mergo v0.3.15 // 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/sethvargo/go-envconfig v0.8.0 // indirect + github.com/skeema/knownhosts v1.1.1 // indirect + github.com/xanzy/ssh-agent v0.3.3 // indirect + golang.org/x/crypto v0.9.0 // indirect + golang.org/x/net v0.10.0 // indirect + golang.org/x/sys v0.8.0 // indirect + gopkg.in/warnings.v0 v0.1.2 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..4c513fb --- /dev/null +++ b/go.sum @@ -0,0 +1,130 @@ +github.com/Microsoft/go-winio v0.5.2 h1:a9IhgEQBCUEk6QCdml9CiJGhAws+YwffDHEMp1VMrpA= +github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY= +github.com/ProtonMail/go-crypto v0.0.0-20230518184743-7afd39499903 h1:ZK3C5DtzV2nVAQTx5S5jQvMeDqWtD1By5mOoyY/xJek= +github.com/ProtonMail/go-crypto v0.0.0-20230518184743-7afd39499903/go.mod h1:8TI4H3IbrackdNgv+92dI+rhpCaLqM0IfpgCgenFvRE= +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 v1.2.0/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0= +github.com/cloudflare/circl v1.1.0/go.mod h1:prBCrKB9DV4poKZY1l9zBXg2QJY7mvgRvtMxxK7fi4I= +github.com/cloudflare/circl v1.3.3 h1:fE/Qz0QdIGqeWfnwq0RE0R7MI51s0M2E4Ga9kq5AEMs= +github.com/cloudflare/circl v1.3.3/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +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 v0.0.0-20221015165544-a0805db90819 h1:RIB4cRk+lBqKK3Oy0r2gRX4ui7tuhiZq2SuTtTCi0/0= +github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc= +github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ= 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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/main.go b/main.go new file mode 100644 index 0000000..7494456 --- /dev/null +++ b/main.go @@ -0,0 +1,84 @@ +package main + +import ( + "errors" + "fmt" + "log" + "os" + "regexp" + "strings" + + git "github.com/go-git/go-git/v5" + "github.com/go-git/go-git/v5/plumbing/object" + gha "github.com/sethvargo/go-githubactions" +) + +func main() { + // Prepare regexp templates. + rxHeader := regexp.MustCompile(`^\[\#[0-9Xx]+\]\s`) + rxSignOff := regexp.MustCompile(`^Signed-off-by:`) + + // Open current git dir. + r, err := git.PlainOpen("./") + if err != nil { + log.Fatalf("Failed to open repository: %v", err) + } + + // Retrieve the commit history. + ref, err := r.Head() + if err != nil { + log.Fatalf("Failed to retrieve HEAD reference: %v", err) + } + + // Create iterator over commits. + commits, err := r.Log(&git.LogOptions{From: ref.Hash()}) + if err != nil { + log.Fatalf("Failed to retrieve commit history: %v", err) + } + + // Limit number of iterations. + from := gha.GetInput("from") + + // Processing result. + var fail bool + + _ = commits.ForEach(func(c *object.Commit) error { + // Stop iterator when limit is reached. + if len(from) != 0 && strings.HasPrefix(c.ID().String(), from) { + return errors.New("stop") + } + + // Parse commit data. + id := c.ID().String()[:7] + lines := strings.Split(strings.Trim(c.Message, "\n"), "\n") + + // Do not process empty commit. + if len(lines) == 0 { + fail = true + fmt.Printf("Error: empty commit [%s]\n", id) + return nil + } + + // Check commit header. + header := lines[0] + if !rxHeader.MatchString(header) { + fail = true + fmt.Printf("Error: invalid header %s [%s]\n", header, id) + return nil + } + + // Check commit sign-off. + if !rxSignOff.MatchString(lines[len(lines)-1]) { + fail = true + fmt.Printf("Error: missing sign-off %s [%s]\n", header, id) + } + + return nil + }) + + // Return non-zero code if DCO check failed. + if fail { + os.Exit(1) + } +} +