github-action-push-to-another-repository/entrypoint.sh

#!/bin/sh -l

echo "Starts"
FOLDER="$1"
GITHUB_USERNAME="$2"
GITHUB_REPO="$3"
USER_EMAIL="$4"
REPO_USERNAME="$5"
TARGET_BRANCH="$6"

if [ -z "$REPO_USERNAME" ]
then
  REPO_USERNAME="$GITHUB_USERNAME"
fi
if [ -z "$TARGET_BRANCH" ]
then
  TARGET_BRANCH="master"
fi

CLONE_DIR=$(mktemp -d)

echo "Cloning destination git repository"
# Setup git
git config --global user.email "$USER_EMAIL"
git config --global user.name "$GITHUB_USERNAME"
git clone --single-branch --branch "$TARGET_BRANCH" "https://$API_TOKEN_GITHUB@github.com/$REPO_USERNAME/$GITHUB_REPO.git" "$CLONE_DIR"
ls -la "$CLONE_DIR"

echo "Cleaning destination repository of old files"
# Copy files into the git and deletes all git
find "$CLONE_DIR" | grep -v "^$CLONE_DIR/\.git" | grep -v "^$CLONE_DIR$" | xargs rm -rf # delete all files (to handle deletions)
ls -la "$CLONE_DIR"

echo "Copying contents to to git repo"
cp -r "$FOLDER"/* "$CLONE_DIR"
cd "$CLONE_DIR"
ls -la

echo "Adding git commit"
git add .
git status
git commit --message "Update from https://github.com/$GITHUB_REPOSITORY/commit/$GITHUB_SHA"

echo "Pushing git commit"
git push origin "$TARGET_BRANCH"