makepkg: abort on lint_package errors

Allows lint_package to prevent makepkg from creating an invalid package.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

scripts/libmakepkg/lint_package.sh.in

@@ -40,7 +40,9 @@ lint_package() {
 	cd_safe "$pkgdir"
 	msg "$(gettext "Checking for packaging issue...")"
 
+	local ret=0
 	for func in ${lint_package_functions[@]}; do
-		$func
+		$func || ret=1
 	done
+	return $ret
 }

scripts/libmakepkg/lint_package/build_references.sh.in

@@ -37,4 +37,5 @@ warn_build_references() {
 			printf '%s\n' "${refs[@]}" >&2
 		fi
 	done
+	return 0
 }

scripts/libmakepkg/lint_package/missing_backup.sh.in

@@ -35,4 +35,5 @@ warn_missing_backup() {
 			warning "$(gettext "%s entry file not in package : %s")" "backup" "$file"
 		fi
 	done
+	return 0
 }

scripts/makepkg.sh.in

@@ -1167,7 +1167,7 @@ run_split_packaging() {
 		backup_package_variables
 		run_package $pkgname
 		tidy_install
-		lint_package
+		lint_package || exit 1
 		create_package
 		create_debug_package
 		restore_package_variables
@@ -1605,7 +1605,7 @@ if (( INFAKEROOT )); then
 			run_package
 		fi
 		tidy_install
-		lint_package
+		lint_package || exit 1
 		create_package
 		create_debug_package
 	else