Fix some issues with PKGBUILD

PKGBUILD

@@ -1,19 +1,26 @@
 pkgname=laminar-config
-pkgver=1
+pkgver=20241217
 pkgrel=1
 arch=("any")
 
+pkgver()
+{
+    cd "${srcdir}/${pkgname}"
+    git --git-dir ../.git log -1 --pretty=format:"%cd" --date=short | sed s/-//g
+}
+
 prepare()
 {
-    if git status; then
-        git pull
+    if [[ -d "${srcdir}/${pkgname}" ]]; then
+        cd "${srcdir}/${pkgname}" && git pull origin
     else
-        git clone ../.git "${srcdir}"
+        git clone ../.git "${srcdir}/${pkgname}"
     fi
 }
 
 package()
 {
+    cd "${srcdir}/${pkgname}"
     for d in contexts jobs scripts; do
         mkdir -vp "${pkgdir}/var/lib/laminar/cfg/${d}"