add PlainOpen variant to find .git in parent dirs

This is the git tool's behavior that people are used to; if one runs a
git command in a repository's subdirectory, git still works.

Fixes #765.

Signed-off-by: Daniel Martí <mvdan@mvdan.cc>

1 files changed, 11 insertions, 0 deletions

diff --git a/options.go b/options.go
index f0c2fd8..885980e 100644
--- a/options.go
+++ b/options.go
@@ -420,3 +420,14 @@ func (o *GrepOptions) Validate(w *Worktree) error {
 
 	return nil
 }
+
+// PlainOpenOptions describes how opening a plain repository should be
+// performed.
+type PlainOpenOptions struct {
+	// DetectDotGit defines whether parent directories should be
+	// walked until a .git directory or file is found.
+	DetectDotGit bool
+}
+
+// Validate validates the fields and sets the default values.
+func (o *PlainOpenOptions) Validate() error { return nil }