explicitly unset build function before sourcing

This fixes an unlikely (and likely unseen) regression from
9a20048c6279cd. Without unsetting the build function before sourcing the
hook file, we can't guarantee that we're running the build function tied
to that specific file.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/functions b/functions
index 81927d0..64de5b2 100644
--- a/functions
+++ b/functions
@@ -615,6 +615,7 @@ run_build_hook() {
     fi
 
     # source
+    unset -f build
     if ! . "$script"; then
         error 'Failed to read %s' "$script"
         return 1