1 files changed, 112 insertions, 0 deletions
diff --git a/aux/workflow/dist.sh b/aux/workflow/dist.sh
new file mode 100755
index 0000000..48a9d57
--- /dev/null
+++ b/aux/workflow/dist.sh
@@ -0,0 +1,112 @@
+#!/bin/sh
+set -eu
+
+PROJECT_UC=
+while getopts 'd:V:n:N:m:' flag; do
+	case "$flag" in
+		d)
+			DATE="$OPTARG"
+			;;
+		V)
+			VVERSION="v$OPTARG"
+			;;
+		n)
+			PROJECT="$OPTARG"
+			;;
+		N)
+			PROJECT_UC="$OPTARG"
+			;;
+		m)
+			MAILING_LIST="$OPTARG"
+			;;
+		*)
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+assert_arg() {
+	if [ -z "$1" ]; then
+		echo "Missing $2" >&2
+		exit 2
+	fi
+}
+
+assert_arg "${DATE:-}"         '-d DATE'
+assert_arg "${VVERSION:-}"     '-V VERSION'
+assert_arg "${PROJECT:-}"      '-n PROJECT'
+assert_arg "${MAILING_LIST:-}" '-m MAILING_LIST'
+
+if [ -z "${PROJECT_UC:-}" ]; then
+	PROJECT_UC="$PROJECT"
+fi
+
+
+if [ "$(git rev-parse --abbrev-ref HEAD)" != 'main' ]; then
+	echo 'Not on branch "main".' >&2
+	exit 1
+fi
+
+if git show "$VVERSION" 1>/dev/null 2>/dev/null; then
+	echo "Version '$VVERSION' already exists." >&2
+	exit 1
+fi
+
+if [ "v$(awk '/^VERSION *=/{print $3; exit}' Makefile)" != "$VVERSION" ]; then
+	echo "Version '$VVERSION' mismatch with \$(VERSION) in Makefile." >&2
+	echo 'Make sure to invoke this script with "make dist".' >&2
+	exit 1
+fi
+
+if ! printf '%s\n%s\n' "$(git tag)" "$VVERSION" | sort -nct. -k1 -k2 -k3; then
+	echo 'New tag is not bigger than existing ones.' >&2
+	exit 1
+fi
+
+if [ "$DATE" != "$(git log -1 --format=%cd --date=short HEAD)" ]; then
+	echo "Date '$DATE' is not up-to-date." >&2
+	exit 1
+fi
+
+if [ "$(awk '/^DATE *=/{print $3; exit}' Makefile)" != "$DATE" ]; then
+	echo "Date '$DATE' mismatch with \$(DATE) in Makefile." >&2
+	echo 'Make sure to invoke this script with "make dist".' >&2
+	exit 1
+fi
+
+if [ "Release $VVERSION" != "$(git log --format=%B -1 HEAD | head -n1)" ]; then
+	echo "Commit message isn't 'Release $VVERSION'." >&2
+	exit 1
+fi
+
+make clean
+make dev-check EXTRA_VERSION="$VVERSION"
+
+if ! (git diff --quiet && git diff --quiet --staged); then
+	echo 'Dirty repository.'
+	exit 1
+fi
+
+
+git tag "$VVERSION"
+sh aux/workflow/sign-tarballs.sh -n "$PROJECT"
+
+
+printf 'Publish version? [Y/n]: ' >&2
+read -r publish
+
+if [ "$publish" = 'n' ]; then
+	cat <<EOF >&2
+Now push the tag and the signature before pushing the commit:
+
+git push origin refs/notes/signatures/tar.gz -o skip-ci --no-verify
+git push --tags -o skip-ci --no-verify
+git push
+
+EOF
+else
+	git push origin refs/notes/signatures/tar.gz -o skip-ci --no-verify
+	git push --tags -o skip-ci --no-verify
+	git push
+fi