From 264ae76b7e50173ce71ed7da4b48e5e517f3f9ec Mon Sep 17 00:00:00 2001 From: Zettat123 Date: Fri, 17 Mar 2023 15:50:57 +0800 Subject: [PATCH] add files --- README.md | 37 +++++++++++++++++ action.yml | 21 ++++++++++ go.mod | 18 ++++++++ go.sum | 120 +++++++++++++++++++++++++++++++++++++++++++++++++++++ main.go | 111 +++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 307 insertions(+) create mode 100644 action.yml create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go diff --git a/README.md b/README.md index 2864e8b..212d5cd 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,39 @@ # go-hashfiles +This action is to compute the SHA256 checksum of specified files. + +**NOTE:** This action is written in Go. Please make sure the `runs-on` runner supports running Go actions. + +## Usage + +``` yml +- uses: actions/go-hashfiles@v0.0.1 + with: + # The working dir for the action. + # Default: ${{ github.workspace }} + workdir: '' + + # The patterns used to match files. + # Multiple patterns should be seperated with `\n` + patterns: '' +``` + +## Output + +|Output Item|Description| +|---|---| +|hash|The computed checksum| +|matched-files|The files matched by the patterns| + +## Example +``` yml +- uses: actions/go-hashfiles@v0.0.1 + id: get-hash + with: + patterns: |- + go.sum + ./admin/* + **/package-lock.json +- name: Echo hash + run: echo ${{ steps.get-hash.outputs.hash }} +``` diff --git a/action.yml b/action.yml new file mode 100644 index 0000000..292c929 --- /dev/null +++ b/action.yml @@ -0,0 +1,21 @@ +name: 'Go HashFiles' +description: 'Compute the SHA256 checksum of specified files' +inputs: + workdir: + description: > + The working directory for the action. + default: ${{ github.workspace }} + required: false + patterns: + description: > + The patterns used to match files. You can input multiple patterns seperated by `\n`. + We recommand using `|-` to concat the patterns in `.yml` files. + required: true +outputs: + hash: + description: 'The computed checksum' + matched-files: + description: 'The files matched by the patterns' +runs: + using: 'go' + main: 'main.go' diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..5f9becf --- /dev/null +++ b/go.mod @@ -0,0 +1,18 @@ +module go-hashfiles + +go 1.20 + +require ( + github.com/go-git/go-git/v5 v5.6.0 + github.com/sethvargo/go-githubactions v1.1.0 +) + +require ( + github.com/acomagu/bufpipe v1.0.3 // indirect + github.com/go-git/gcfg v1.5.0 // indirect + github.com/go-git/go-billy/v5 v5.4.0 // indirect + github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect + github.com/sethvargo/go-envconfig v0.8.0 // indirect + golang.org/x/net v0.2.0 // indirect + gopkg.in/warnings.v0 v0.1.2 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..a94e85c --- /dev/null +++ b/go.sum @@ -0,0 +1,120 @@ +github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY= +github.com/ProtonMail/go-crypto v0.0.0-20221026131551-cf6655e29de4/go.mod h1:UBYPn8k0D56RtnR8RFQMjmh4KrZzWJ5o7Z9SYjossQ8= +github.com/acomagu/bufpipe v1.0.3 h1:fxAGrHZTgQ9w5QqVItgzwj235/uYZYgbXitB+dLupOk= +github.com/acomagu/bufpipe v1.0.3/go.mod h1:mxdxdup/WdsKVreO5GpW4+M/1CE2sMG4jeGJ2sYmHc4= +github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4= +github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs= +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/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/davecgh/go-spew v1.1.0/go.mod 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h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q= +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/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/main.go b/main.go new file mode 100644 index 0000000..57e1344 --- /dev/null +++ b/main.go @@ -0,0 +1,111 @@ +package main + +import ( + "crypto/sha256" + "encoding/hex" + "encoding/json" + "fmt" + "io" + "io/fs" + "os" + "path/filepath" + "strings" + + "github.com/go-git/go-git/v5/plumbing/format/gitignore" + gha "github.com/sethvargo/go-githubactions" +) + +func main() { + ghCtx, err := gha.Context() + if err != nil { + gha.Fatalf("gha.Context error: %v", err) + } + workdir := gha.GetInput("workdir") + if len(workdir) == 0 { + workdir = ghCtx.Workspace + } + + inputPatterns := gha.GetInput("patterns") + gha.Infof("input patterns: %s", inputPatterns) + matchedFiles, hashResult, err := hashFiles(workdir, strings.Split(inputPatterns, "\n")) + if err != nil { + gha.Fatalf("hashFiles error: %v", err) + } + + gha.SetOutput("hash", hashResult) + gha.Infof("computed hash: %s", hashResult) + + matchedFilesJSON, _ := json.Marshal(matchedFiles) + gha.SetOutput("matched-files", string(matchedFilesJSON)) + gha.Infof("matched files: %s", matchedFilesJSON) +} + +func hashFiles(workdir string, patterns []string) ([]string, string, error) { + var ps []gitignore.Pattern + + const cwdPrefix = "." + string(filepath.Separator) + const excludeCwdPrefix = "!" + cwdPrefix + + for _, p := range patterns { + cleanPattern := strings.TrimSpace(p) + if len(cleanPattern) == 0 { + continue + } + if strings.HasPrefix(cleanPattern, cwdPrefix) { + cleanPattern = cleanPattern[len(cwdPrefix):] + } else if strings.HasPrefix(cleanPattern, excludeCwdPrefix) { + cleanPattern = "!" + cleanPattern[len(excludeCwdPrefix):] + } + ps = append(ps, gitignore.ParsePattern(cleanPattern, nil)) + } + + matcher := gitignore.NewMatcher(ps) + + var files []string + if err := filepath.Walk(workdir, func(path string, fi fs.FileInfo, err error) error { + if err != nil { + return err + } + sansPrefix := strings.TrimPrefix(path, workdir+string(filepath.Separator)) + parts := strings.Split(sansPrefix, string(filepath.Separator)) + if fi.IsDir() || !matcher.Match(parts, fi.IsDir()) { + return nil + } + files = append(files, path) + return nil + }); err != nil { + return nil, "", fmt.Errorf("unable to filepath.Walk: %v", err) + } + + if len(files) == 0 { + return nil, "", nil + } + + matchedFiles := make([]string, 0, len(files)) + resultHasher := sha256.New() + + for _, file := range files { + f, err := os.Open(file) + if err != nil { + return nil, "", fmt.Errorf("unable to os.Open: %v", err) + } + + hasher := sha256.New() + + if _, err := io.Copy(hasher, f); err != nil { + return nil, "", fmt.Errorf("unable to io.Copy: %v", err) + } + + if err := f.Close(); err != nil { + return nil, "", fmt.Errorf("unable to Close file: %v", err) + } + + if _, err := resultHasher.Write(hasher.Sum(nil)); err != nil { + return nil, "", fmt.Errorf("unable to write resultHasher: %v", err) + } + + matchedFiles = append(matchedFiles, strings.TrimPrefix(file, workdir+string(filepath.Separator))) + } + + return matchedFiles, hex.EncodeToString(resultHasher.Sum(nil)), nil +}