WIP: operator collaboration MVP

See toolshed/organising#467

pkg/git/dir.go

@@ -0,0 +1,35 @@
+package git
+
+import (
+	"os"
+	"path"
+	"path/filepath"
+
+	"coopcloud.tech/abra/pkg/log"
+)
+
+func FindDir(dir string) string {
+	dir, err := filepath.Abs(dir)
+	if err != nil {
+		return ""
+	}
+
+	realPath, err := filepath.EvalSymlinks(dir)
+	if err != nil {
+		log.Warn("unable to find git repo: broken symlink: %s", dir)
+		return ""
+	}
+
+	dir = realPath
+
+	if dir == os.ExpandEnv("$HOME/.abra") || dir == os.ExpandEnv("$ABRA_DIR") || dir == "/" {
+		return ""
+	}
+
+	p := path.Join(dir, ".git")
+	if _, err := os.Stat(p); err == nil {
+		return path.Dir(p)
+	}
+
+	return FindDir(filepath.Dir(dir))
+}