xbps-git: add INSTALL script to remember running xbps-pkgdb(8).

srcpkgs/xbps-git/INSTALL

@@ -0,0 +1,12 @@
+case "${ACTION}" in
+post)
+	cat <<_EOF
+=====================================================================
+
+Don't forget to run 'xbps-pkgdb [-r rootdir] -a' to update the pkg
+metadata format to 0.18.
+
+=====================================================================
+_EOF
+	;;
+esac

srcpkgs/xbps-git/template

@@ -1,7 +1,7 @@
 # Template file for 'xbps-git'
 pkgname=xbps-git
 version="$(date -u +%Y%m%d)"
-revision=1
+revision=2
 nofetch=yes
 noextract=yes
 build_style=configure