action.yml

name: tfswitch

author: Stephen Attard

description: Setup tfswitch to install a specific version of terraform

outputs:
  terraform_version:
    description: "The installed version of terraform"
    value: ${{ steps.tfswitch-install.outputs.terraform_version }}

runs:
  using: composite
  steps:
    - name: Check Runner OS
      if: ${{ runner.os != 'Linux' }}
      shell: bash
      run: |
        echo "::error title=⛔ error hint::This action is only supported on Linux Runners"
        exit 1
    - name: Install tfswitch
      shell: bash
      id: tfswitch-install
      run: |
        echo "Downloading install script .."
        curl -sLo install.sh https://raw.githubusercontent.com/warrensbox/terraform-switcher/release/install.sh
        echo "Configuring install script to be executable .."
        chmod 755 install.sh
        echo "Creating $HOME/.bin for tfswitch binary .."
        mkdir -p $HOME/.bin
        echo "Installing tfswitch version .."
        ./install.sh -b $HOME/.bin
        echo "Running tfswitch from $HOME/.bin .."
        $HOME/.bin/tfswitch --version
        export PATH=$PATH:$HOME/.bin
        echo "Running tfswitch assuming PATH is set .."
        tfswitch --version
        echo "Exporting PATH to GITHUB_PATH .."
        echo $HOME/.bin >> $GITHUB_PATH
        echo "Exporting terraform version to GITHUB_OUTPUT as terraform_version.."
        echo "terraform_version=$(terraform --version -json | jq -r .terraform_version)" >> "$GITHUB_OUTPUT"
        if [ -e "/usr/local/bin/terraform" ]; then
            echo "Unlinking default version of terraform .."
            unlink /usr/local/bin/terraform
        fi
        echo "Done!"

branding:
  color: blue
  icon: box