1 files changed, 48 insertions, 0 deletions
diff --git a/cmd/gitaly-git2go/command/commit/validate.go b/cmd/gitaly-git2go/command/commit/validate.go
new file mode 100644
index 000000000..8854cdbbe
--- /dev/null
+++ b/cmd/gitaly-git2go/command/commit/validate.go
@@ -0,0 +1,48 @@
+// +build static,system_libgit2
+
+package commit
+
+import (
+	"os"
+
+	git "github.com/libgit2/git2go/v30"
+	"gitlab.com/gitlab-org/gitaly/internal/git2go"
+)
+
+func validateFileExists(index *git.Index, path string) error {
+	if _, err := index.Find(path); err != nil {
+		if git.IsErrorCode(err, git.ErrNotFound) {
+			return git2go.FileNotFoundError(path)
+		}
+
+		return err
+	}
+
+	return nil
+}
+
+func validateFileDoesNotExist(index *git.Index, path string) error {
+	_, err := index.Find(path)
+	if err == nil {
+		return git2go.FileExistsError(path)
+	}
+
+	if !git.IsErrorCode(err, git.ErrNotFound) {
+		return err
+	}
+
+	return nil
+}
+
+func validateDirectoryDoesNotExist(index *git.Index, path string) error {
+	_, err := index.FindPrefix(path + string(os.PathSeparator))
+	if err == nil {
+		return git2go.DirectoryExistsError(path)
+	}
+
+	if !git.IsErrorCode(err, git.ErrNotFound) {
+		return err
+	}
+
+	return nil
+}