flclash: optimize the reference of git submodule

Author: dongfengweixiao

archlinuxcn/flclash/PKGBUILD

@@ -47,10 +47,9 @@ source=(
   "${pkgname}"::"git+https://github.com/chen08209/FlClash.git#tag=v$pkgver"
   "0001-fix-build-error.patch"
   "com.follow.clash.desktop"
-  "Clash.Meta::git+https://github.com/chen08209/Clash.Meta.git#branch=FlClash"
-  "flutter_distributor::git+https://github.com/chen08209/flutter_distributor.git#branch=FlClash"
-  "tray_manager::git+https://github.com/chen08209/tray_manager.git#branch=main"
-
+  "Clash.Meta::git+https://github.com/chen08209/Clash.Meta.git"
+  "flutter_distributor::git+https://github.com/chen08209/flutter_distributor.git"
+  "tray_manager::git+https://github.com/chen08209/tray_manager.git"
 )
 sha256sums=('aaf8c535929ecc642637334799f8396301fbc39a3ea25b2c9a8afdabf4a7e34d'
             'b551c46a1577758c13bdd07868d41e4de817c6184114e1b10d39e04ae572a76a'
@@ -63,9 +62,9 @@ prepare() {
   cd "$srcdir/$pkgname"
 
   git submodule init
-  git submodule set-url core/Clash.Meta "$srcdir/Clash.Meta"
-  git submodule set-url plugins/flutter_distributor "$srcdir/flutter_distributor"
-  git submodule set-url plugins/tray_manager "$srcdir/tray_manager"
+  git config submodule.core.Clash.Meta.url "$srcdir/Clash.Meta"
+  git config submodule.plugins.flutter_distributor.url "$srcdir/flutter_distributor"
+  git config submodule.plugins.tray_manager.url "$srcdir/tray_manager"
   git -c protocol.file.allow=always submodule update
 
   patch -p1 -i "${srcdir}/0001-fix-build-error.patch"