diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..614fe9e --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +gitstat +*.csv +dist \ No newline at end of file diff --git a/.goreleaser.yml b/.goreleaser.yml new file mode 100644 index 0000000..1734ae7 --- /dev/null +++ b/.goreleaser.yml @@ -0,0 +1,32 @@ +before: + hooks: + - go mod tidy + - go generate ./... +builds: + - env: + - CGO_ENABLED=0 + goos: + - linux + - darwin + - windows + goarch: + - 386 + - amd64 +archives: +- replacements: + darwin: Darwin + linux: Linux + windows: Windows + 386: i386 + amd64: x86_64 + format: zip +checksum: + name_template: 'checksums.txt' +snapshot: + name_template: "{{ .Tag }}-next" +changelog: + sort: asc + filters: + exclude: + - '^docs:' + - '^test:' diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..666e8c8 --- /dev/null +++ b/Makefile @@ -0,0 +1,4 @@ +.PHONY: lint + +lint: + golangci-lint run \ No newline at end of file diff --git a/README.md b/README.md index a8fa10d..e4dcac5 100644 --- a/README.md +++ b/README.md @@ -1,15 +1,18 @@ # gitstat -Output detailed gitstats in csv format. +Outputs a log of git commits & stats in json. This json file is intended for analytic tools for further processing. -## Why? +## How to use? -Lots of git statistics programs out there, but for all of them I found myself doing a lot of post-processing. This post-processing consisted of two steps usually: +TODO -- Ignore extreme commits (e.g. a linter fixing lots of issues automatically) -- Ignore certain filetypes -- Make diagrams, overviews, etc +## Why this lib? + +There are plenty of git statistics programs out there, but for all of them I found myself doing a lot of post-processing. -The only tool flexible enough to do both exploratory analysis and diagramming is your good olde stylesheet program. +This post-processing consisted of two steps usually: + +- Ignore unwanted changes (e.g. ignore certain filetypes; extreme commits due to linter change; ...) +- Make diagrams, overviews, etc - \ No newline at end of file +Being a web developer \ No newline at end of file diff --git a/cmd/root.go b/cmd/root.go new file mode 100644 index 0000000..a6c1b77 --- /dev/null +++ b/cmd/root.go @@ -0,0 +1,54 @@ +package cmd + +import ( + "encoding/json" + "fmt" + "github.com/nielskrijger/gitstat/internal" + "github.com/spf13/cobra" + "io/ioutil" + "os" + "time" +) + +var ( + outputFile string + + rootCmd = &cobra.Command{ + Use: "gitstat", + Short: "Generates a json file of your git repo histories", + Long: "This is a CLI program that generates a JSON file of your git history." + + "\nAfter generating the JSON you can generate metrics and graphs using https://gitstat.com", + Run: func(cmd *cobra.Command, args []string) { + start := time.Now() + parser := internal.NewParser() + for i, arg := range os.Args { + if i > 0 { + fmt.Printf("\nstart processing %q\n", arg) + err := parser.ParseProject(arg) + check(err) + fmt.Printf("\nprocessing %q took %s\n", arg, time.Since(start).Round(time.Millisecond)) + } + } + fmt.Printf("\ntotal processing time was %s", time.Since(start).Round(time.Millisecond)) + res, _ := json.Marshal(parser) + err := ioutil.WriteFile(outputFile, res, 0644) + check(err) + }, + } +) + +func Execute() error { + return rootCmd.Execute() +} + +func init() { + rootCmd.PersistentFlags().StringVarP(&outputFile, "out", "o", "gitstat_result.json", "name of output file") +} + +func check(err error) { + if err == nil { + return + } + + fmt.Print(err) +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..bb15d91 --- /dev/null +++ b/go.mod @@ -0,0 +1,19 @@ +module github.com/nielskrijger/gitstat + +go 1.12 + +require ( + github.com/gliderlabs/ssh v0.2.2 // indirect + github.com/google/go-cmp v0.3.0 // indirect + github.com/pkg/errors v0.8.1 + github.com/spf13/cobra v0.0.5 + github.com/spf13/pflag v1.0.5 // indirect + github.com/stretchr/testify v1.4.0 // indirect + golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392 // indirect + golang.org/x/net v0.0.0-20190923162816-aa69164e4478 // indirect + golang.org/x/text v0.3.2 // indirect + gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect + gopkg.in/src-d/go-billy.v4 v4.3.0 + gopkg.in/src-d/go-git.v4 v4.12.0 + gopkg.in/yaml.v2 v2.2.4 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..dea8e75 --- 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v3.5.0/go.mod h1:dLBcvytrw/TYZsNTWCnkNF2DSIlzWYqTe3rJR56Ac7g= +gopkg.in/src-d/go-git.v4 v4.12.0 h1:CKgvBCJCcdfNnyXPYI4Cp8PaDDAmAPEN0CtfEdEAbd8= +gopkg.in/src-d/go-git.v4 v4.12.0/go.mod h1:zjlNnzc1Wjn43v3Mtii7RVxiReNP0fIu9npcXKzuNp4= +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 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= +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= diff --git a/internal/commit.go b/internal/commit.go new file mode 100644 index 0000000..9ae745c --- /dev/null +++ b/internal/commit.go @@ -0,0 +1,46 @@ +package internal + +import ( + "github.com/pkg/errors" + "gopkg.in/src-d/go-git.v4/plumbing/object" + "strings" +) + +type Commit struct { + Hash string `json:"hash"` + Author Signature `json:"author"` + Committer Signature `json:"committer"` + Message string `json:"message"` + Files []*FileChange `json:"files"` + IsMerge bool `json:"isMerge"` +} + +func NewCommit(c *object.Commit) (*Commit, error) { + r := &Commit{ + Hash: c.Hash.String(), + Author: NewSignature(c.Author), + Committer: NewSignature(c.Committer), + Message: strings.TrimSpace(c.Message), + Files: make([]*FileChange, 0), + IsMerge: len(c.ParentHashes) > 1, + } + + // get file stats, these will be added later + stats, err := c.Stats() + if err != nil { + return nil, errors.Wrap(err, "failed to retrieve stats") + } + + // loop through all files and store metadata in a "FileChange" + // find stat for this file and add change + for _, stat := range stats { + fc := NewFileChange(stat.Name) + + fc.Additions = stat.Addition + fc.Deletions = stat.Deletion + + r.Files = append(r.Files, fc) + } + + return r, nil +} diff --git a/internal/file_change.go b/internal/file_change.go new file mode 100644 index 0000000..f0c2ff1 --- /dev/null +++ b/internal/file_change.go @@ -0,0 +1,14 @@ +package internal + +type FileChange struct { + Name string `json:"filepath"` + IsBinary bool `json:"isBinary"` + Additions int `json:"additions"` + Deletions int `json:"deletions"` +} + +func NewFileChange(path string) *FileChange { + return &FileChange{ + Name: path, + } +} diff --git a/internal/parser.go b/internal/parser.go new file mode 100644 index 0000000..36078c8 --- /dev/null +++ b/internal/parser.go @@ -0,0 +1,28 @@ +package internal + +type Parser struct { + Version string `json:"version"` + Projects []*Project `json:"projects"` +} + +func NewParser() *Parser { + return &Parser{ + Version: "0.1.0", + Projects: make([]*Project, 0), + } +} + +func (p *Parser) ParseProject(filepath string) error { + project, err := NewProject(filepath) + if err != nil { + return err + } + + err = project.ParseCommits() + if err != nil { + return err + } + + p.Projects = append(p.Projects, project) + return nil +} \ No newline at end of file diff --git a/internal/project.go b/internal/project.go new file mode 100644 index 0000000..fa15a7a --- /dev/null +++ b/internal/project.go @@ -0,0 +1,87 @@ +package internal + +import ( + "fmt" + "gopkg.in/src-d/go-billy.v4/osfs" + "gopkg.in/src-d/go-git.v4" + "gopkg.in/src-d/go-git.v4/plumbing/cache" + "gopkg.in/src-d/go-git.v4/plumbing/object" + "gopkg.in/src-d/go-git.v4/storage/filesystem" + "os" + "path/filepath" +) + +type Project struct { + Name string `json:"name"` + Commits []*Commit `json:"commits"` + + filepath string +} + +func NewProject(path string) (*Project, error) { + name, err := projectName(path) + if err != nil { + return nil, err + } + + return &Project{ + Name: name, + Commits: make([]*Commit, 0), + filepath: path, + }, nil +} + +func (p *Project) ParseCommits() error { + // Instantiate a new repository targeting the given path (the .git folder) + fs := osfs.New(p.filepath) + if _, err := fs.Stat(git.GitDirName); err == nil { + fs, err = fs.Chroot(git.GitDirName) + if err != nil { + return err + } + } + + s := filesystem.NewStorageWithOptions(fs, cache.NewObjectLRUDefault(), filesystem.Options{KeepDescriptors: true}) + defer s.Close() + + r, err := git.Open(s, fs) + if err != nil { + return err + } + + // ... retrieve the branch pointed by HEAD + ref, err := r.Head() + if err != nil { + return err + } + + // ... retrieve the commit history + cIter, err := r.Log(&git.LogOptions{From: ref.Hash()}) + if err != nil { + return err + } + + // ... iterate over the commits + return cIter.ForEach(func(c *object.Commit) error { + fmt.Print(".") + commit, err := NewCommit(c) + if err != nil { + return err + } + p.Commits = append(p.Commits, commit) + return nil + }) +} + +func projectName(fp string) (string, error) { + abs, err := filepath.Abs(fp) + if err != nil { + return "", err + } + for i := len(abs) - 1; i >= 0; i-- { + if os.IsPathSeparator(abs[i]) { + return abs[i+1:], nil + } + } + return abs, nil +} diff --git a/internal/signature.go b/internal/signature.go new file mode 100644 index 0000000..cca4ee8 --- /dev/null +++ b/internal/signature.go @@ -0,0 +1,20 @@ +package internal + +import ( + "gopkg.in/src-d/go-git.v4/plumbing/object" + "time" +) + +type Signature struct { + Name string `json:"name"` + Email string `json:"email"` + When time.Time `json:"time"` +} + +func NewSignature(s object.Signature) Signature { + return Signature{ + Name: s.Name, + Email: s.Email, + When: s.When, + } +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..406b934 --- /dev/null +++ b/main.go @@ -0,0 +1,13 @@ +package main + +import ( + "fmt" + "github.com/nielskrijger/gitstat/cmd" +) + +func main() { + err := cmd.Execute() + if err != nil { + fmt.Printf("error: %s", err); + } +}