@@ -1,6 +1,7 @@
package repository
import (
+ "bufio"
"bytes"
"errors"
"fmt"
@@ -170,6 +171,28 @@ func detectGitPath(path string) (string, error) {
fi, err := os.Stat(filepath.Join(path, ".git"))
if err == nil {
if !fi.IsDir() {
+ // See if our .git item is a dotfile that holds a submodule reference
+ dotfile, err := os.Open(fi.Name())
+ if err != nil {
+ // Can't open" error
+ return "", fmt.Errorf(".git exists but is not a directory or a readable file: %w", err)
+ }
+ // We aren't going to defer the dotfile.Close, because we might keep looping, so we have to be sure to
+ // clean up before returning an error
+ reader := bufio.NewReader(dotfile)
+ line, _, err := reader.ReadLine()
+ if err != nil {
+ _ = dotfile.Close()
+ return "", fmt.Errorf(".git exists but is not a direcctory and cannot be read: %w", err)
+ }
+ dotContent := string(line)
+ if strings.HasPrefix(dotContent, "gitdir:") {
+ _ = dotfile.Close()
+ // This is a submodule parent path link. Strip the prefix, clean the string of whitespace just to
+ // be safe, and return
+ dotContent = strings.TrimSpace(dotContent[7:])
+ return dotContent, nil
+ }
return "", fmt.Errorf(".git exist but is not a directory")
}
return filepath.Join(path, ".git"), nil