makepkg: enforce decimal format for pkgrel

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 48f7f7ec..14e2f6a0 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -1481,8 +1481,8 @@ check_sanity() {
 	awk -F'=' '$1 ~ /^[[:space:]]*pkgrel$/' "$BUILDFILE" | sed "s/[[:space:]]*#.*//" |
 	while IFS='=' read -r _ i; do
 		eval i=\"$(sed 's/^\(['\''"]\)\(.*\)\1$/\2/' <<< "${i%%+([[:space:]])}")\"
-		if [[ $i = *[[:space:]-]* ]]; then
-			error "$(gettext "%s is not allowed to contain hyphens or whitespace.")" "pkgrel"
+		if [[ $i != +([0-9])?(.+([0-9])) ]]; then
+			error "$(gettext "%s must be a decimal.")" "pkgrel"
 			return 1
 		fi
 	done || ret=1