1 files changed, 66 insertions, 0 deletions
diff --git a/aux/workflow/assert-changelog.sh b/aux/workflow/assert-changelog.sh
new file mode 100755
index 0000000..c58a600
--- /dev/null
+++ b/aux/workflow/assert-changelog.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+set -eu
+
+TLD="$(cat aux/tld.txt)"
+PROJECT_UC=
+while getopts 'n:N:' flag; do
+	case "$flag" in
+		n)
+			PROJECT="$OPTARG"
+			;;
+		N)
+			PROJECT_UC="$OPTARG"
+			;;
+		*)
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+assert_arg() {
+	if [ -z "$1" ]; then
+		echo "Missing $2" >&2
+		exit 2
+	fi
+}
+
+assert_arg "${PROJECT:-}" '-n PROJECT'
+
+if [ -z "${PROJECT_UC:-}" ]; then
+	PROJECT_UC="$PROJECT"
+fi
+
+HOMEPAGE_LINK="Changelog for [$PROJECT_UC](https://$TLD/$PROJECT/en/)."
+
+if ! grep -qF "$HOMEPAGE_LINK" CHANGELOG.md; then
+	echo "Missing link to homepage in CHANGELOG.md:" >&2
+	echo "$HOMEPAGE_LINK"
+	exit 1
+fi
+
+assert() {
+	DATE="$1"
+	VVERSION="$2"
+	VERSION="${2#v}"
+	CHANGELOG_ENTRY="$(printf \
+		'# [%s](https://euandreh.xyz/%s.git/commit/?id=%s) - %s' \
+		"$VERSION" "$PROJECT" "$VVERSION" "$DATE")"
+	if ! grep -qF "$CHANGELOG_ENTRY" CHANGELOG.md; then
+		echo "Missing '$CHANGELOG_ENTRY' entry from CHANGELOG.md" >&2
+		exit 1
+	fi
+}
+
+if [ -e .git ]; then
+	for VVERSION in $(git tag); do
+		DATE="$(git log -1 --format=%cd --date=short "$VVERSION")"
+		assert "$DATE" "$VVERSION"
+	done
+fi
+
+# "$@" represents a list of tags to be also included in the verification.
+for VVERSION in "$@"; do
+	DATE="$(date '+%Y-%m-%d')"
+	assert "$DATE" "$VVERSION"
+done