add ResetHard

Author: linkdata

internal/gitsemver/gitter.go

@@ -39,6 +39,8 @@ type Gitter interface {
 	GetBuild(repo string) (string, error)
 	// GetHead returns the current HEAD commit hash if skip is false.
 	GetHead(repo string, skip bool) (head string, err error)
+	// ResetHard hard-resets the repository to the given commit. Does nothing if commit is empty.
+	ResetHard(repo, commit string) (err error)
 	// FetchTags calls "git fetch --tags". Uses the "--unshallow" option if needed.
 	FetchTags(repo string) error
 	// CreateTag creates a new lightweight tag. Does nothing if tag is empty.
@@ -353,6 +355,13 @@ func (dg DefaultGitter) GetHead(repo string, skip bool) (head string, err error)
 	return
 }
 
+func (dg DefaultGitter) ResetHard(repo, commit string) (err error) {
+	if commit != "" {
+		_, err = dg.Exec("-C", repo, "reset", "--hard", commit)
+	}
+	return
+}
+
 func (dg DefaultGitter) FetchTags(repo string) (err error) {
 	var b []byte
 	if b, err = dg.Exec("-C", repo, "rev-parse", "--is-shallow-repository"); err == nil {

internal/gitsemver/mockgitter_test.go

@@ -164,6 +164,10 @@ func (mg *MockGitter) GetHead(repo string, skip bool) (head string, err error) {
 	return
 }
 
+func (mg *MockGitter) ResetHard(repo, commit string) (err error) {
+	return nil
+}
+
 func (mg *MockGitter) FetchTags(repo string) error {
 	return nil
 }

main.go

@@ -173,9 +173,8 @@ func mainfn() int {
 										}
 									}
 									// revert the commit
-									if preRunHead != afterHead {
-										_, resetErr := vs.Git.Exec("-C", repoDir, "reset", "--hard", preRunHead)
-										err = errors.Join(err, resetErr)
+									if outpath != "" && preRunHead != afterHead {
+										err = errors.Join(err, vs.Git.ResetHard(repoDir, preRunHead))
 									}
 								}
 							}