Allow to change branch and sha you want to checkout

Signed-off-by: Timothée Barray <tim@amicalement-web.net>

action.yaml

@@ -19,6 +19,16 @@ inputs:
  [Learn more about creating and using encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
  default: ${{ github.token }}
  required: true
+ branch:
+ required: true
+ default: ${{ github.ref }}
+ description: >
+ The branch you want to check out
+ sha:
+ required: true
+ default: ${{ github.sha }}
+ description: >
+ The sha1 of the head commit of the branch you want to check out
 
 runs:
  using: "composite"
@@ -33,11 +43,11 @@ runs:
  shell: bash
  run: |
  REPO="https://${GITHUB_ACTOR}:${{ inputs.token }}@github.com/${GITHUB_REPOSITORY}.git"
- BRANCH="${GITHUB_REF/#refs\/heads\//}"
+ BRANCH="${inputs.branch/#refs\/heads\//}"
  git clone --filter=blob:none --no-checkout --depth 1 --sparse $REPO .
  git sparse-checkout init --cone --sparse-index
  git sparse-checkout set ${{ inputs.patterns }}
- git -c protocol.version=2 fetch --no-tags --prune --progress --depth=1 origin +${GITHUB_SHA}:refs/remotes/origin/${BRANCH}
+ git -c protocol.version=2 fetch --no-tags --prune --progress --depth=1 origin +${inputs.sha}:refs/remotes/origin/${BRANCH}
  git checkout --progress --force -B $BRANCH refs/remotes/origin/$BRANCH
 
  - name: "👨‍💻 show what has been checked out"