Merge pull request #47 from cisagov/improvement/adjust_packer_validat…

…e_hook

Adjust the functionality of the `packer_validate` hook

README.md

@@ -25,12 +25,16 @@ behavior can be overridden by changing the arguments passed to the hook.
 This hook checks that a Packer configuration is valid by running `packer validate`
 against any directory that houses `.pkr.hcl` files.
 
+> [!NOTE]
+> The hook will change to each directory and run `packer init` before running
+> `packer validate`.
+
 ## Usage ##
 
 ```yaml
 repos:
   - repo: https://github.com/cisagov/pre-commit-packer
-    rev: v0.1.0
+    rev: v0.2.0
     hooks:
       - id: packer_fmt
       - id: packer_validate

config/version.txt

@@ -1 +1 @@
-0.1.0
+0.2.0

hooks/packer_validate.sh

@@ -22,7 +22,10 @@ util::get_unique_directory_paths "${FILES[@]}"
 error=0
 
 for path in "${UNIQUE_PATHS[@]}"; do
-  if ! packer validate "${ARGS[@]}" -- "$path"; then
+  pushd "$path" > /dev/null
+
+  packer init . > /dev/null
+  if ! packer validate "${ARGS[@]}" .; then
     error=1
     echo
     echo "Failed path: $path"