From 045d997ff07b0ea5e4f4eba6cd5fd91816e46853 Mon Sep 17 00:00:00 2001
From: spacewander <spacewanderlzx@gmail.com>
Date: Wed, 5 Oct 2022 21:30:14 +0800
Subject: [PATCH] git root: show '.' when using with -r in the root dir

Fix #993

Signed-off-by: spacewander <spacewanderlzx@gmail.com>
---
 bin/git-root | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/bin/git-root b/bin/git-root
index a308ce738..95a8a1181 100755
--- a/bin/git-root
+++ b/bin/git-root
@@ -6,7 +6,13 @@ git_root() {
 
 # get the relative path of current path according to root of repo
 git_root_relative() {
-    git rev-parse --show-prefix
+    rel=$(git rev-parse --show-prefix)
+    if [ -z "$rel" ]; then
+        # git rev-parse --show-prefix will output empty string when we are in the root dir
+        echo "."
+    else
+        echo "$rel"
+    fi
 }
 
 if test $# -eq 0; then