libs/project: Invoke subshell in project_function_check()

Since we're doing a simple check to see if a function exists in a
given project's scripts we should only source those files into a
subshell (so any changes to the environment are discarded once the
subshell exits).

1 files changed, 6 insertions, 7 deletions

diff --git a/libs/project b/libs/project
index b130af17..2b6fc2fd 100755
--- a/libs/project
+++ b/libs/project
@@ -126,14 +126,13 @@ project_function_check() {
 	local project=$1
 	local function=$2
 
-	project_include "$project"
-
-	if ! function_check "$function"
-	then
-		return 1
-	fi
+	(
+		project_include "$project"
 
-	return 0
+		if ! function_check "$function"; then
+			exit 1
+		fi
+	)
 }
 
 project_action() {