1 files changed, 73 insertions, 0 deletions
diff --git a/branches.go b/branches.go
index a2635d7..ec86c20 100644
--- a/branches.go
+++ b/branches.go
@@ -1,7 +1,12 @@
 package gitpb
 
 import (
+	"errors"
+	"os"
 	"path/filepath"
+	"strings"
+
+	"go.wit.com/log"
 )
 
 // returns true if 'git pull' will work
@@ -50,3 +55,71 @@ func (repo *Repo) ExistsDevelBranch() bool {
 	}
 	return false
 }
+
+func (repo *Repo) GetBranchHash(branchname string) string {
+	if branchname == "" {
+		return ""
+	}
+	if repo.Exists(filepath.Join(".git/refs/remotes", branchname)) {
+		return readRefHash(filepath.Join(repo.FullPath, ".git/refs/remotes", branchname))
+	}
+	if repo.Exists(filepath.Join(".git/refs/heads", branchname)) {
+		return readRefHash(filepath.Join(repo.FullPath, ".git/refs/heads", branchname))
+	}
+	return ""
+}
+
+func (repo *Repo) GetBranchVersion(branchname string) string {
+	if branchname == repo.GetUserBranchName() {
+		return "user"
+	}
+	if branchname == repo.GetDevelBranchName() {
+		return "devel"
+	}
+	if branchname == repo.GetMasterBranchName() {
+		return "master"
+	}
+	base, branchname := filepath.Split(branchname)
+	if base != "" {
+		if branchname == repo.GetUserBranchName() {
+			return "remote user"
+		}
+		if branchname == repo.GetDevelBranchName() {
+			return "remote devel"
+		}
+		if branchname == repo.GetMasterBranchName() {
+			return "remote master"
+		}
+	}
+	return ""
+}
+
+func readRefHash(filename string) string {
+	data, _ := os.ReadFile(filename)
+	return string(data)
+}
+
+func (repo *Repo) GetLocalBranches() []string {
+	return ListFiles(filepath.Join(repo.GetFullPath(), "/.git/refs/heads"))
+}
+
+func (repo *Repo) GetRemoteBranches() []string {
+	remotes := ListFiles(filepath.Join(repo.GetFullPath(), "/.git/refs/remotes"))
+	return remotes
+}
+
+// git describe --tags e548b0fb6d0d14cdfb693850d592419f247dc2b1
+// v0.22.61-15-gbab84d7
+func (repo *Repo) GetHashName(h string) (string, error) {
+	h = strings.TrimSpace(h)
+	log.Info("GetHashName() is looking for", repo.GetGoPath(), h)
+	cmd := []string{"git", "describe", "--tags", h}
+	r, err := repo.RunStrictNew(cmd)
+	if err != nil {
+		return "", err
+	}
+	if len(r.Stdout) == 0 {
+		return "", errors.New("git describe was empty")
+	}
+	return r.Stdout[0], nil
+}