Required Github Workflow to achieve a simple task.

[Rajkumarpavunraj]

Body

I manage three repositories, testrepo1 and Repo2 , testrepo3. Initially, testrepo2 and testrepo3 was created as a copy of testrepo1, with some modifications made to certain files while the majority of the code remained unchanged.

My goal is to automate the process of updating testrepo2 and testrepo3 whenever a change is committed to a file in the main branch of Repo1. Specifically, I want only the modified files to be automatically updated in the base branch of testrepo2 and testrepo3.

While I've successfully written code to retrieve commit information and identify modified files, I'm encountering difficulties in implementing the automated update process across repositories.

name: Update Repositories Workflow

on:
push:
branches:
- main

jobs:
sync-commit:
runs-on: ubuntu-latest
env:
BASE_BRANCH: basebranch

steps:
  - name: Set up Git credentials
    run: |
      git config --global user.name "username"
      git config --global user.email "[email protected]"
      git config --global credential.helper store

  - name: Checkout repository1
    uses: actions/checkout@v2
    with:
      repository: organization/testrepo1
      ref: main
      path: testrepo1

  - name: Fetch modified files
    id: fetch_modified_files
    run: |
      cd testrepo1
      git fetch origin main
      git reset --hard origin/main  # Reset local main branch to match the remote main branch
      MODIFIED_FILES=$(git diff --name-only main)  # Fetch modified files from the last commit
      echo "::set-output name=modified_files::$MODIFIED_FILES"
      
  - name: Update other repositories
    run: |
      for REPO in "testrepo2" "testrepo3"; do
        # Clone testrepo1 (main branch)
        git clone -b main https://username:[email protected]/username/testrepo1 testrepo1_temp

        # Get list of modified files in testrepo1 (main branch)
        MODIFIED_FILES=$(cd testrepo1_temp && git diff --name-only main)

        # Remove the temporary testrepo1 clone
        rm -rf testrepo1_temp

        # Clone target repository (testrepo2)
        git clone https://username:[email protected]/username/$REPO "$REPO"
        cd $REPO
        git checkout $BASE_BRANCH

        # Copy individual modified files
        if [[ ! -z "$MODIFIED_FILES" ]]; then
          for FILE in $MODIFIED_FILES; do
            # Construct the destination path within the cloned repo
            destination_path="./$(dirname "$FILE")/$FILE"  # Add relative path based on file
            cp ../organization/testrepo1/"$FILE" "$destination_path"
          done
          git add .
          git commit -m "Update modified files from testrepo1"
          git push origin $BASE_BRANCH
        fi
        cd ..
      done

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