fix: Support custom TF paths which contains spaces (antonbabenko#714)

Author: robinbowes

hooks/_common.sh

@@ -536,13 +536,13 @@ function common::terraform_init {
     # Plugin cache dir can't be written concurrently or read during write
     # https://github.com/hashicorp/terraform/issues/31964
     if [[ -z $TF_PLUGIN_CACHE_DIR || $parallelism_disabled == true ]]; then
-      init_output=$($tf_path init -backend=false "${TF_INIT_ARGS[@]}" 2>&1)
+      init_output=$("$tf_path" init -backend=false "${TF_INIT_ARGS[@]}" 2>&1)
       exit_code=$?
     else
       # Locking just doesn't work, and the below works quicker instead. Details:
       # https://github.com/hashicorp/terraform/issues/31964#issuecomment-1939869453
       for i in {1..10}; do
-        init_output=$($tf_path init -backend=false "${TF_INIT_ARGS[@]}" 2>&1)
+        init_output=$("$tf_path" init -backend=false "${TF_INIT_ARGS[@]}" 2>&1)
         exit_code=$?
 
         if [ $exit_code -eq 0 ]; then

hooks/terraform_fmt.sh

@@ -49,7 +49,7 @@ function per_dir_hook_unique_part {
   local -a -r args=("$@")
 
   # pass the arguments to hook
-  $tf_path fmt "${args[@]}"
+  "$tf_path" fmt "${args[@]}"
 
   # return exit code to common::per_dir_hook
   local exit_code=$?

hooks/terraform_providers_lock.sh

@@ -140,7 +140,7 @@ function per_dir_hook_unique_part {
     common::colorify "yellow" "DEPRECATION NOTICE: We introduced '--mode' flag for this hook.
 Check migration instructions at https://github.com/antonbabenko/pre-commit-terraform#terraform_providers_lock
 "
-    common::terraform_init 'terraform providers lock' "$dir_path" "$parallelism_disabled" "$tf_path" || {
+    common::terraform_init "$tf_path providers lock" "$dir_path" "$parallelism_disabled" "$tf_path" || {
       exit_code=$?
       return $exit_code
     }
@@ -155,7 +155,7 @@ Check migration instructions at https://github.com/antonbabenko/pre-commit-terra
   #? Don't require `tf init` for providers, but required `tf init` for modules
   #? Mitigated by `function match_validate_errors` from terraform_validate hook
   # pass the arguments to hook
-  $tf_path providers lock "${args[@]}"
+  "$tf_path" providers lock "${args[@]}"
 
   # return exit code to common::per_dir_hook
   exit_code=$?

hooks/terraform_validate.sh

@@ -118,7 +118,7 @@ function per_dir_hook_unique_part {
   # First try `terraform validate` with the hope that all deps are
   # pre-installed. That is needed for cases when `.terraform/modules`
   # or `.terraform/providers` missed AND that is expected.
-  $tf_path validate "${args[@]}" &> /dev/null && {
+  "$tf_path" validate "${args[@]}" &> /dev/null && {
     exit_code=$?
     return $exit_code
   }
@@ -132,11 +132,11 @@ function per_dir_hook_unique_part {
 
   if [ "$retry_once_with_cleanup" != "true" ]; then
     # terraform validate only
-    validate_output=$($tf_path validate "${args[@]}" 2>&1)
+    validate_output=$("$tf_path" validate "${args[@]}" 2>&1)
     exit_code=$?
   else
     # terraform validate, plus capture possible errors
-    validate_output=$($tf_path validate -json "${args[@]}" 2>&1)
+    validate_output=$("$tf_path" validate -json "${args[@]}" 2>&1)
     exit_code=$?
 
     # Match specific validation errors
@@ -159,7 +159,7 @@ function per_dir_hook_unique_part {
         return $exit_code
       }
 
-      validate_output=$($tf_path validate "${args[@]}" 2>&1)
+      validate_output=$("$tf_path" validate "${args[@]}" 2>&1)
       exit_code=$?
     fi
   fi