aux/workflow/dist.sh: Use getopts for arguments

1 files changed, 41 insertions, 7 deletions

diff --git a/aux/workflow/dist.sh b/aux/workflow/dist.sh
index ed61ee5..ab94f20 100755
--- a/aux/workflow/dist.sh
+++ b/aux/workflow/dist.sh
@@ -1,19 +1,53 @@
 #!/bin/sh
 set -eu
 
-DATE="$1"
-VVERSION="v$2"
-PROJECT_UC="$3"
-PROJECT="$4"
-MAILING_LIST="$5"
+while getopts 'd:V:n:N:m:' flag; do
+	case "$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 show "$VVERSION" 1>/dev/null 2>/dev/null; then
 	echo "Version '$VVERSION' already exists." >&2
 	exit 1
 fi
 
-sh aux/workflow/assert-changelog.sh "$PROJECT_UC" "$PROJECT" "$VVERSION"
-sh aux/workflow/assert-readme.sh "$PROJECT" "$MAILING_LIST" "$VVERSION"
+sh aux/workflow/assert-changelog.sh -N "$PROJECT_UC" -n "$PROJECT" "$VVERSION"
+sh aux/workflow/assert-readme.sh -n "$PROJECT" -m "$MAILING_LIST" "$VVERSION"
 
 if [ "$DATE" != "$(git log -1 --format=%cd --date=short HEAD)" ]; then
 	echo "Date '$DATE' is not up-to-date." >&2