From d33de79d8c05366692cb828b8fe394e591644804 Mon Sep 17 00:00:00 2001
From: Vladislav Ponomarev <vponomarev@ebay.com>
Date: Tue, 21 May 2024 15:55:18 +0200
Subject: [PATCH] GITHUB-407: Gracefully handle Cygwin paths on Windows when
 determining root directory.

---
 git/realgit/realcmd.go | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/git/realgit/realcmd.go b/git/realgit/realcmd.go
index 7d6f96b..fe63f56 100644
--- a/git/realgit/realcmd.go
+++ b/git/realgit/realcmd.go
@@ -21,7 +21,7 @@ func NewGitCmd(cfg *config.Config) *gitcmd {
 		fmt.Println(err)
 		os.Exit(-1)
 	}
-	rootdir = strings.TrimSpace(rootdir)
+	rootdir = strings.TrimSpace(maybeAdjustPathPerPlatform(rootdir))
 
 	return &gitcmd{
 		config:  cfg,
@@ -29,6 +29,20 @@ func NewGitCmd(cfg *config.Config) *gitcmd {
 	}
 }
 
+func maybeAdjustPathPerPlatform(rawRootDir string) string {
+	if strings.HasPrefix(rawRootDir, "/cygdrive") {
+		// This is safe to run also on "proper" Windows paths
+		cmd := exec.Command("cygpath", []string{"-w", rawRootDir}...)
+		out, err := cmd.CombinedOutput()
+		if err != nil {
+			panic(err)
+		}
+		return string(out)
+	}
+
+	return rawRootDir
+}
+
 type gitcmd struct {
 	config  *config.Config
 	rootdir string