From 176cfda3f2fa6190d79f4ca562ca22fd529a7e35 Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Sun, 28 Nov 2021 16:10:25 +0100
Subject: [PATCH] Add auto-update script

Signed-off-by: Knut Ahlers <knut@ahlers.me>
---
 .gitignore        |  1 +
 update_version.sh | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100755 update_version.sh

diff --git a/.gitignore b/.gitignore
index 920b7b5..311a6b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 !.gitignore
 !PKGBUILD
 !.SRCINFO
+!update_version.sh
 !vault.hcl
 !vault.install
 !vault.service
diff --git a/update_version.sh b/update_version.sh
new file mode 100755
index 0000000..7263778
--- /dev/null
+++ b/update_version.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+set -euxo pipefail
+
+# Read pkg name
+PKG=$(awk -F '=' '/pkgname=/{ print $2 }' PKGBUILD)
+
+# Get latest version
+VER=$(
+	curl -sSf "https://lv.luzifer.io/catalog-api/vault/latest.txt?p=version"
+)
+[[ -n $VER ]] || exit 1
+
+# Insert latest version into PKGBUILD
+sed -i \
+	-e "s/^pkgver=.*/pkgver=${VER}/" \
+	PKGBUILD
+
+# Check whether this changed anything
+if (git diff --exit-code PKGBUILD); then
+	echo "Package ${PKG} has most recent version ${VER}"
+	exit 0
+fi
+
+# Reset pkgrel
+sed -i \
+	-e 's/pkgrel=.*/pkgrel=1/' \
+	PKGBUILD
+
+# Update source hashes
+updpkgsums
+
+# Update .SRCINFO
+makepkg --printsrcinfo >.SRCINFO
+
+# Commit changes
+git add PKGBUILD .SRCINFO
+git commit -m "${PKG} v${VER}"