=== modified file 'functions/hash-build-dir'
--- functions/hash-build-dir	2017-11-30 21:49:11 +0000
+++ functions/hash-build-dir	2017-11-30 21:40:46 +0000
@@ -1,3 +1,4 @@
+local sum
 if [[ -d $vars[build_dir] ]]; then
 	local sum
 	sum=$(pax -w $vars[build_dir] | sha256sum -) \

=== modified file 'functions/hash-build-files'
--- functions/hash-build-files	2017-11-30 21:49:11 +0000
+++ functions/hash-build-files	2017-11-30 21:40:46 +0000
@@ -1,3 +1,4 @@
+local sum
 if [[ -d $vars[build_dir] ]]; then
 	local sum
 	sum=$(sha256sum $vars[build_dir]/**/*(.D) | sha256sum -) \