add script to automate updates

upd.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+# Script to partly automate updating this package
+# Based on upd.sh from abf.io/import/instaloader
+# sudo dnf install /usr/bin/rpmbuild /usr/bin/spectool /usr/bin/rpmspec /usr/bin/git /usr/bin/curl /usr/bin/abf /usr/bin/jq /usr/bin/sed /usr/bin/tar /usr/bin/xz
+
+set -x
+set -e
+set -f
+set -u
+
+spec="$PWD"/pipewire.spec
+dir0="$PWD"
+
+old_version="$(rpmspec -q --srpm --qf '%{version}' "$spec")"
+latest_version="$(curl  "https://api.github.com/repos/PipeWire/pipewire/tags" | jq -r '.[0].name')"
+[ -n "$latest_version" ]
+if [ "$old_version" = "$latest_version" ]; then
+	echo "No updates"
+	exit 0
+fi
+
+sed -E -i'' "$spec" \
+	-e "s,^Version:.+,Version:\t${latest_version}," \
+	-e "s,^Release:.+,Release:\t1," \
+	--
+
+source0="$(rpmspec --parse "$spec" | grep -i ^Source0: | awk -F '/' '{print $NF}')" 
+spectool --get-files --source 0 "$spec"
+[ -f "$source0" ]
+
+patches_ok=0
+
+tmp="$(mktemp --tmpdir=/tmp -d)"
+trap 'if [ "$patches_ok" = 1 ]; then rm -fr "$tmp"; fi' EXIT
+# check appliability of patches
+rpmbuild --define "_sourcedir $PWD" --define "_builddir $tmp" -bp "$spec" && patches_ok=1
+abf put
+
+PAGER='' git diff
+# can be copypasted for a commit message
+echo "upd: $old_version -> $latest_version"
+
+if [ "$patches_ok" = 0 ]; then
+	echo "PATCHES require attention!"
+fi