Add pass-coffin

Unfortunately somewhat systemd-dependent but the basic opening and
closing mechanisms work well.

srcpkgs/pass-coffin/INSTALL.msg

@@ -0,0 +1,4 @@
+pass-coffin relies on systemd-run for its timer commands
+
+Any timer-related services (`pass coffin -t 1min`, `pass timer`, ...) will not work.
+

srcpkgs/pass-coffin/template

@@ -0,0 +1,18 @@
+# Template file for 'pass-coffin'
+pkgname=pass-coffin
+version=1.2.1 # renovate: datasource=github-tags depName=ayushnix/pass-coffin
+revision=1
+build_style=gnu-makefile
+depends="pass tar"
+_optdepends="systemd-run"
+short_desc="A password store extension to hide data inside a signed and encrypted coffin"
+maintainer="Marty Oehme <contact@martyoeh.me>"
+license="GPL-3.0-or-later"
+homepage="https://github.com/ayushnix/pass-coffin"
+distfiles="https://github.com/ayushnix/pass-coffin/archive/v${version}.tar.gz"
+checksum=bca41b9c9dc3525ddfccef31baef2c61366a968c43ee841c3b6c6934e3263fbe
+
+post_install() {
+	rm ${DESTDIR}/etc/bash_completion.d/*
+	vcompletion completion/pass-coffin.bash-completion bash
+}