From a1d7dcb6d990343c3c689114531f2b49daa8bb04 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Tue, 24 Nov 2020 16:17:01 +0100
Subject: scripts/utils: try to lock when hacking worktree

---
 scripts/utils | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/scripts/utils b/scripts/utils
index c17e37f..e05f10d 100644
--- a/scripts/utils
+++ b/scripts/utils
@@ -25,12 +25,19 @@ echo_fail() {
 }
 
 ## GIT ##########################################################################
+# Locked git
+lgit() {
+	local gitdir="$1"
+	shift
+	flock --exclusive "$gitdir" git --git-dir="$gitdir" "$@"
+}
+
 # Fetch bare git repository
 # First argument has to be a source URL
 # Second argument is path to directory to which will be repository cloned to.
 git_fetch_bare() {
 	if [ -d "$2" ]; then
-		git --git-dir="$2" --bare remote update --prune
+		lgit "$2" --bare remote update --prune
 	else
 		git clone --mirror "$1" "$2"
 	fi
@@ -42,8 +49,8 @@ _git_fetch() {
 	local branch="$3"
 	[ -n "$branch" ] || branch=master
 	git_fetch_bare "$1" "$4/$2"
-	git --git-dir="$4/$2" --bare worktree prune # remove old work trees
-	git --git-dir="$4/$2" --bare worktree add --force --detach "$2" "$branch"
+	lgit "$4/$2" --bare worktree prune # remove old work trees
+	lgit "$4/$2" --bare worktree add --force --detach "$2" "$branch"
 }
 
 # Fetch git repository with mirror
-- 
cgit v1.2.3