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Build-and-push in submit when arg is dir
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package git | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| const RefPrefix = "ref: " | ||
|
|
||
| func findGitDir(startDir string) (string, error) { | ||
| dir, err := filepath.Abs(startDir) | ||
| if err != nil { | ||
| return "", fmt.Errorf("unable to resolve absolute path: %w", err) | ||
| } | ||
|
|
||
| for { | ||
| gitPath := filepath.Join(dir, ".git") | ||
| if info, err := os.Stat(gitPath); err == nil && info.IsDir() { | ||
| return gitPath, nil | ||
| } | ||
|
|
||
| parent := filepath.Dir(dir) | ||
| // root | ||
| if parent == dir { | ||
| break | ||
| } | ||
| dir = parent | ||
| } | ||
| return "", fmt.Errorf("no .git directory found in parents of %s", dir) | ||
| } | ||
|
|
||
| func GitHeadSHA(dir string) (string, error) { | ||
| dir, err := findGitDir(dir) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| file, err := os.ReadFile(filepath.Join(dir, "HEAD")) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if !strings.HasPrefix(string(file), RefPrefix) { | ||
| return string(file), nil | ||
| } | ||
|
|
||
| refFile, err := os.ReadFile(filepath.Join(dir, strings.TrimSpace(string(file)[len(RefPrefix):]))) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return strings.TrimSpace(string(refFile)), nil | ||
| } | ||
|
|
||
| func GitHeadSHAShort(dir string, n int) (string, error) { | ||
| if n <= 0 { | ||
| n = 7 | ||
| } | ||
| sha, err := GitHeadSHA(dir) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if len(sha) < n { | ||
| return sha, nil | ||
| } | ||
| return sha[:n], nil | ||
| } |