🚀 feat(_postinstall): add post installation/upgrade function

snigdhaos-keyring-dev/snigdhaos-keyring.install

@@ -0,0 +1,14 @@
+post_upgrade() {
+	if usr/bin/pacman-key -l >/dev/null 2>&1; then
+		usr/bin/pacman-key --populate snigdhaos
+	else
+		echo " >>> Run \`pacman-key --init\` to set up your pacman keyring."
+		echo " >>> Then run \`pacman-key --populate snigdhaos\` to install the Snigdha OS keyring."
+	fi
+}
+
+post_install() {
+	if [ -x usr/bin/pacman-key ]; then
+		post_upgrade
+	fi
+}