Allow to spawn realtime threads without the help of rtkit

Signed-off-by: Mingi Sung <fiestalake@disroot.org>

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = gnome-shell-performance
 	pkgdesc = Next generation desktop shell | Attempts to improve performances with non-upstreamed merge-requests and frequent stable branch resync
 	pkgver = 43.4
-	pkgrel = 1
+	pkgrel = 2
 	epoch = 1
 	url = https://wiki.gnome.org/Projects/GnomeShell
 	arch = x86_64
@@ -51,6 +51,7 @@ pkgbase = gnome-shell-performance
 	sha256sums = SKIP
 
 pkgname = gnome-shell-performance
+	install = gnome-shell.install
 	depends = accountsservice
 	depends = gcr-4
 	depends = gjs

PKGBUILD

@@ -23,7 +23,7 @@ _merge_requests_to_use=()
 pkgname=gnome-shell-performance
 _pkgname=gnome-shell
 pkgver=43.4
-pkgrel=1
+pkgrel=2
 epoch=1
 pkgdesc="Next generation desktop shell | Attempts to improve performances with non-upstreamed merge-requests and frequent stable branch resync"
 url="https://wiki.gnome.org/Projects/GnomeShell"
@@ -156,5 +156,6 @@ fi
 
 package() {
   depends+=(libmutter-11.so)
+  install=gnome-shell.install
   meson install -C build --destdir "$pkgdir"
 }

gnome-shell.install

@@ -0,0 +1,8 @@
+post_install() {
+  setcap cap_sys_nice+ep usr/bin/gnome-shell
+  echo "[Recommendation] Add rt-scheduler to /org/gnome/mutter/experimental-features in dconf setting"
+}
+
+post_upgrade() {
+  post_install()
+}