fix patch

.forgejo/patches/build.patch

@@ -1,7 +1,7 @@
 diff --git a/usr/local/bin/build.sh.orig b/usr/local/bin/build.sh
 old mode 100644
 new mode 100755
-index c3b8f7a..048bf54
+index c3b8f7a..1da3937
 --- a/usr/local/bin/build.sh.orig
 +++ b/usr/local/bin/build.sh
 @@ -7,13 +7,15 @@
@@ -42,11 +42,14 @@ index c3b8f7a..048bf54
  		repos="$repos $MIRROR/$release/$repo $REPODEST/$repo"
  		[ "$repo" = "$target_repo" ] && break
  	done
-@@ -118,7 +120,11 @@ apply_offset_limit() {
+@@ -118,7 +120,14 @@ apply_offset_limit() {
  }
  
  setup_system() {
 -	doas sh -c "echo $MIRROR/$(get_release)/main > /etc/apk/repositories"
++	local repos='' repo=''
++	local release
++
 +	release=$(get_release)
 +	for repo in $ALPINE_REPOS; do
 +		[ "$release" != "edge" ] && [ "$repo" == "testing" ] && continue