Added formatting for tfvars (fixes #4)

.pre-commit-config.yaml

@@ -1,8 +1,9 @@
--   repo: git://github.com/pre-commit/pre-commit-hooks
-    sha: v0.6.0
-    hooks:
-      -   id: check-yaml
-      -   id: end-of-file-fixer
-      -   id: trailing-whitespace
-      -   id: check-case-conflict
-      -   id: check-merge-conflict
+repos:
+- repo: git://github.com/pre-commit/pre-commit-hooks
+  sha: v1.2.0
+  hooks:
+    - id: check-yaml
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+    - id: check-case-conflict
+    - id: check-merge-conflict

.pre-commit-hooks.yaml

@@ -1,7 +1,7 @@
--   id: terraform_fmt
-    name: Terraform fmt
-    description: Rewrites all Terraform configuration files to a canonical format.
-    entry: terraform_fmt.sh
-    language: script
-    files: \.tf$
-    exclude: \.+.terraform\/.*$
+- id: terraform_fmt
+  name: Terraform fmt
+  description: Rewrites all Terraform configuration files to a canonical format.
+  entry: terraform_fmt.sh
+  language: script
+  files: (\.tf|\.tfvars)$
+  exclude: \.terraform\/.*$

README.md

@@ -2,15 +2,15 @@
 
 [![Help Contribute to Open Source](https://www.codetriage.com/antonbabenko/pre-commit-terraform/badges/users.svg)](https://www.codetriage.com/antonbabenko/pre-commit-terraform)
 
-Single [pre-commit](http://pre-commit.com/) hook which runs `terraform fmt` on `*.tf` files.
+Single [pre-commit](http://pre-commit.com/) hook which runs `terraform fmt` on Terraform configuration files (both `*.tf` and `*.tfvars`).
 
 An example `.pre-commit-config.yaml`:
 
 ```yaml
--   repo: git://github.com/antonbabenko/pre-commit-terraform
-    sha: v1.2.0
-    hooks:
-      -   id: terraform_fmt
+- repo: git://github.com/antonbabenko/pre-commit-terraform
+  sha: v1.3.0
+  hooks:
+    - id: terraform_fmt
 ```
 
 Enjoy the clean code!

hooks.yaml

@@ -1,7 +1,7 @@
--   id: terraform_fmt
-    name: Terraform fmt
-    description: Rewrites all Terraform configuration files to a canonical format.
-    entry: terraform_fmt.sh
-    language: script
-    files: \.tf$
-    exclude: \.+.terraform\/.*$
+- id: terraform_fmt
+  name: Terraform fmt
+  description: Rewrites all Terraform configuration files to a canonical format.
+  entry: terraform_fmt.sh
+  language: script
+  files: (\.tf|\.tfvars)$
+  exclude: \.terraform\/.*$

terraform_fmt.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 
 for file in "$@"; do
-  terraform fmt `dirname $file`
+  terraform fmt "$file"
 done