s

gitcmd/tag.go

@@ -0,0 +1,59 @@
+package gitcmd
+
+import (
+	"strings"
+	"time"
+)
+
+type Tag struct {
+	Name        string    `json:"name"`
+	SHA         string    `json:"sha"`
+	ShortSHA    string    `json:"short_sha"`
+	Message     string    `json:"message"`
+	Tagger      string    `json:"tagger"`
+	TagDate     time.Time `json:"tag_date"`
+	IsAnnotated bool      `json:"is_annotated"`
+}
+
+func (r *Repository) ListTags() ([]Tag, error) {
+
+	out, _, err := NewCommand("for-each-ref").
+		Add("--format=%(refname:short)%1f%(objectname)%1f%(subject)%1f%(taggername)%1f%(taggerdate:iso8601)%1f%(objecttype)").
+		Add("refs/tags").
+		WithDir(r.Path).
+		RunStdString(r.ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	var tags []Tag
+	for _, line := range strings.Split(strings.TrimSpace(out), "\n") {
+		if line == "" {
+			continue
+		}
+		fields := strings.Split(line, "\x1f")
+		if len(fields) < 6 {
+			continue
+		}
+		sha := fields[1]
+		shortSHA := sha
+		if len(sha) >= 7 {
+			shortSHA = sha[:7]
+		}
+		isAnnotated := fields[5] == "tag"
+		var when time.Time
+		if isAnnotated {
+			when, _ = time.Parse("2006-01-02 15:04:05 -0700", fields[4])
+		}
+		tags = append(tags, Tag{
+			Name:        fields[0],
+			SHA:         sha,
+			ShortSHA:    shortSHA,
+			Message:     fields[2],
+			Tagger:      fields[3],
+			TagDate:     when,
+			IsAnnotated: isAnnotated,
+		})
+	}
+	return tags, nil
+}