GitHub Actions doesn’t automatically know where the binary was installed unless it's added to the system PATH

[benmthomas]

When using tofuutils/tenv-github-action to install a tool (e.g. Terragrunt), the action reports successful installation but the binary isn’t on the runner’s PATH, so subsequent steps fail with:

terragrunt: command not found

To Reproduce

- name: Install Terragrunt
  uses: tofuutils/tenv-github-action@main
  with:
    tool_name: tg
    tool_version: 0.67.15
    github_token: ${{ secrets.GITHUB_TOKEN }}

- name: Run terragrunt
  run: terragrunt --version

Logs show “Installation of Terragrunt 0.67.15 successful” but then:

/home/runner/.../script.sh: line 10: terragrunt: command not found

Expected behaviour:
After installation, the tool’s binary directory (e.g. $GITHUB_WORKSPACE/.tenv/Terragrunt/0.67.15/) should be appended to the runner’s PATH, so that terragrunt (or whatever <tool_name> is) is immediately available.

Actual behavior:
The action does not modify the runner’s PATH. We must manually add the below step:

- run: echo "$GITHUB_WORKSPACE/.tenv/Terragrunt/0.67.15" >> $GITHUB_PATH

[vvchistyakov]

Just in case, I'm using a bit extended version of post-step

- name: Add Terraform to PATH
  run: |
    TERRAFORM_PATH=$(find ${GITHUB_WORKSPACE}/.tenv/Terraform -name "terraform" -type f | head -1)
    TERRAFORM_DIR=$(dirname ${TERRAFORM_PATH})
    echo ${TERRAFORM_DIR} >> ${GITHUB_PATH}

However, I'm waiting an implementation in the action