add some comments. fix signing-key package: init pacman keyring

PKGBUILD

@@ -8,12 +8,27 @@ license=('MIT')
 groups=(mkessler)
 url="https://gitlab.com/kesslermaximilian/arch-pkgs"
 
+
+###########
+# Note that some of these packages have dependencies that are only available
+# in the AUR. Such packages are marked with an 'AUR' comment.
+# In order for this to work, you either need to use an AUR helper that is able
+# to resolve such dependencies, or have these AUR packages pre-built and
+# available in a custom repository, so that pacman is able to find them.
+# Also, note that there is no guarantee made on any functionality of these
+# packages and that dependencies might change at any time
+##########
+
 source=(https://mkessler-arch.maximilian-kessler.de/signing_key)
 b2sums=(b0e1a6bc60f99bdda99dd053ef869a9f3f899ced7a4b23db3718baaee374375ca4013ac3eab2eb3ef6d645083722f9305c484661cd1246f6ec2e3bf62dbf95a4)
 
+pkgver() {
+  printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+}
+
 package_mkessler-signing-key() {
   # Install this package after pacman to ensure that its keyring is initialized
-  depends=(pacman)
+  depends=(archlinux-keyring)
 
   install=mkessler-signing-key.install
 
@@ -66,6 +81,9 @@ package_mkessler-x() {
   # window managers: i3 and stuff to build xmonad
   depends+=(i3-gaps i3lock i3status i3blocks)
 
+  # AUR
+  depends+=(i3lock-fancy-git)
+
   depends+=(mkessler-xmonad)
 
   # launching utilities, status bar

mkessler-signing-key.install

@@ -1,4 +1,5 @@
 post_install() {
+  pacman-key --init
   pacman-key --add /opt/mkessler/signing-key/signing_key
   pacman-key --lsign B419CDA93D7544F8214B3216A23D90C2433DAFBC
 }