some useful helper functions

branches.go

@@ -123,3 +123,18 @@ func (repo *Repo) GetHashName(h string) (string, error) {
 	}
 	return r.Stdout[0], nil
 }
+
+// lookup a hash from a tag with 'git rev-list'
+func (repo *Repo) GetTagHash(t string) string {
+	// git rev-list -n 1 v0.0.66
+	cmd := []string{"git", "rev-list", "-n", "1", t}
+	result, _ := repo.RunStrictNew(cmd)
+	// log.Info("getLastTagVersion()", result.Stdout)
+
+	if len(result.Stdout) == 0 {
+		// log.Log(WARN, "no gitpb.LastTag() repo is broken. ignore this.", repo.GetGoPath())
+		return ""
+	}
+
+	return result.Stdout[0]
+}

currentVersions.go

@@ -294,23 +294,25 @@ func (repo *Repo) IncrementTargetMinor() {
 }
 
 // changes the target revision. v0.1.3 becomes v0.1.4
-func (repo *Repo) IncrementTargetRevision() bool {
+func (repo *Repo) IncrementTargetRevision() {
 	// first try just going from the last tag
 	repo.incrementRevision(repo.GetLastTag())
 
 	if !isNewerVersion(repo.GetMasterVersion(), repo.GetTargetVersion()) {
-		log.Printf("master version() %s is higher than target version %s\n", repo.GetMasterVersion(), repo.GetTargetVersion())
+		// log.Printf("tag error. master version() %s was higher than target version %s\n", repo.GetMasterVersion(), repo.GetTargetVersion())
 		repo.incrementRevision(repo.GetMasterVersion())
 	}
-	if !isNewerVersion(repo.GetLastTag(), repo.GetTargetVersion()) {
+	/*
-		log.Printf("last tag versn() %s is higher than target version %s\n", repo.GetLastTag(), repo.GetTargetVersion())
+		if !isNewerVersion(repo.GetLastTag(), repo.GetTargetVersion()) {
-		return false
+			log.Printf("last tag versn() %s is higher than target version %s\n", repo.GetLastTag(), repo.GetTargetVersion())
-	}
+			return false
-	if !isNewerVersion(repo.GetMasterVersion(), repo.GetTargetVersion()) {
+		}
-		log.Printf("master version() %s is higher than target version %s\n", repo.GetMasterVersion(), repo.GetTargetVersion())
+		if !isNewerVersion(repo.GetMasterVersion(), repo.GetTargetVersion()) {
-		return false
+			log.Printf("master version() %s is higher than target version %s\n", repo.GetMasterVersion(), repo.GetTargetVersion())
-	}
+			return false
-	return true
+		}
+		return true
+	*/
 }
 
 func (repo *Repo) incrementRevision(lasttag string) {

goDep.parseGoSum.go

@@ -21,7 +21,8 @@ func (repo *Repo) ParseGoSum() bool {
 	// that means, there is not a go.sum file
 	// because the package is completely self contained!
 	if err := repo.setPrimitive(); err != nil {
-		// log.Info("gitpb.ParseGoSum()", err)
+		// temporarily enabled this
+		log.Info("gitpb.ParseGoSum()", err)
 		return false
 	}
 	if repo.GetGoPrimitive() {

shell.go

@@ -193,3 +193,14 @@ func (repo *Repo) ConstructGitDiffLog(branch1, branch2 string) []string {
 	cmd = append(cmd, branch2)
 	return cmd
 }
+
+// count all objects only in branch1
+func (repo *Repo) CountDiffObjects(branch1, branch2 string) int {
+	cmd := repo.ConstructGitDiffLog(branch1, branch2)
+	r, err := repo.RunVerboseOnError(cmd)
+	if err != nil {
+		return -1
+	}
+	// log.Info("countDiffObjects()", cmd, len(r.Stdout), strings.Join(r.Stdout, " "))
+	return len(r.Stdout)
+}