fix repo setting

.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..1da3937
+index c3b8f7a..f609018
 --- a/usr/local/bin/build.sh.orig
 +++ b/usr/local/bin/build.sh
 @@ -7,13 +7,15 @@
@@ -33,7 +33,7 @@ index c3b8f7a..1da3937
  		*) die "Branch \"$BASEBRANCH\" not supported!"
  	esac
  }
-@@ -101,7 +103,7 @@ set_repositories_for() {
+@@ -101,11 +103,11 @@ set_repositories_for() {
  	release=$(get_release)
  	for repo in $REPOS; do
  		[ "$repo" = "non-free" ] && continue
@@ -42,7 +42,12 @@ index c3b8f7a..1da3937
  		repos="$repos $MIRROR/$release/$repo $REPODEST/$repo"
  		[ "$repo" = "$target_repo" ] && break
  	done
-@@ -118,7 +120,14 @@ apply_offset_limit() {
+-	doas sh -c "printf '%s\n' $repos > /etc/apk/repositories"
++	doas sh -c "printf '%s\n' $repos >> /etc/apk/repositories"
+ 	doas apk update
+ }
+ 
+@@ -118,7 +120,15 @@ apply_offset_limit() {
  }
  
  setup_system() {
@@ -55,6 +60,7 @@ index c3b8f7a..1da3937
 +		[ "$release" != "edge" ] && [ "$repo" == "testing" ] && continue
 +		repos="$repos $ALPINE_MIRROR/$release/$repo"
 +	done
++	doas sh -c "printf '%s\n' $repos > /etc/apk/repositories"
  	doas apk -U upgrade -a || apk fix || die "Failed to up/downgrade system"
  	abuild-keygen -ain
  	doas sed -i -E 's/export JOBS=[0-9]+$/export JOBS=$(nproc)/' /etc/abuild.conf