#!/bin/sh

set -e

. ./common.sh

trap error INT TERM

start

ATOM="$(curl -H "Accept: application/atom+xml" -s https://github.com/openssh/openssh-portable/commits/master.atom)"
CURRENT="$(cat pkgs/openssh/version.json)"

COMMIT="$(echo $ATOM | dasel -rxml 'feed.entry.[0].id' | awk -F/ '{print $NF}')"
COMMENT="$(echo $ATOM | dasel -rxml 'feed.entry.[0].title')"
UPDATED="$(echo $ATOM | dasel -rxml 'feed.entry.[0].updated' | awk -FT '{print $1}')"

CURRENT_COMMIT="$(echo $CURRENT | jq -r .rev)"

if [ "${CURRENT_COMMIT}" != "${COMMIT}" ]; then
	nix-prefetch-github openssh openssh-portable \
		--rev "${COMMIT}" \
		--json |
		jq -r --arg v "${UPDATED}" \
			--arg c "${COMMENT}" \
			'. |= . + {"version": $v, "comment": $c}' \
			>pkgs/openssh/version.json
	FN=$(mktemp)
	echo "pkgs/openssh: update to '${COMMIT}'" >${FN}
	echo >>${FN}
	echo "${COMMENT}" >>${FN}
	git add pkgs/openssh/version.json && git commit -F $FN
else
	echo "No updates."
fi