Setup TravisCI (#2)

* Setup TravisCI

* Fix pre-commit docs

.travis.yml

@@ -0,0 +1,32 @@
+os: linux
+dist: xenial
+language: python
+
+env:
+- TERRAFORM_VERSION=1.0.2 TERRAFORM_DOCS_VERSION=0.14.1
+
+install:
+  # Install pre-commit
+  - pip install pre-commit
+
+  # Install terraform
+  - curl -Lo terraform.zip "https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip"
+  - unzip terraform.zip
+  - mv terraform ${HOME}/bin/terraform
+
+  # Install terraform-docs
+  - curl -Lo ./terraform-docs.tar.gz "https://github.com/terraform-docs/terraform-docs/releases/download/v${TERRAFORM_DOCS_VERSION}/terraform-docs-v${TERRAFORM_DOCS_VERSION}-linux-amd64.tar.gz"
+  - tar -xzf terraform-docs.tar.gz
+  - mv terraform-docs ${HOME}/bin/terraform-docs
+
+jobs:
+  include:
+    - stage: lint
+      name: pre-commit hooks
+      script:
+        - pre-commit run --all-files --show-diff-on-failure
+
+cache:
+  pip: true
+  directories:
+    - $HOME/.cache/pre-commit

README.md

@@ -1,5 +1,7 @@
 # terraform-google-cloud-build-slack-notifier
 
+[![Build Status](https://www.travis-ci.com/simplifi/terraform-google-cloud-build-slack-notifier.svg?token=Tyt37RU5xWf1sPRSJyoD&branch=main)](https://www.travis-ci.com/simplifi/terraform-google-cloud-build-slack-notifier)
+
 A Terraform module to enable Slack notifications for Cloud Build events.
 
 **Note - This will add the following resources to your project:**
@@ -26,8 +28,11 @@ secret for this to work.
 The enabled hooks check for a variety of common problems in Terraform code, and
 will run any time you commit to your branch.
 
-Pre-commit (and dependencies) can be installed by running:
-`brew install pre-commit coreutils terraform-docs`
+Pre-commit (and dependencies) can be installed by following the instructions
+found here:
+
+- [Install `pre-commit`](https://pre-commit.com/#install)
+- [Install `terraform-docs`](https://github.com/terraform-docs/terraform-docs#installation)
 
 To enable the hooks locally, run the following from the root of this repo:
 `pre-commit install`