add git lfs support

Author: kujov

README.md

@@ -66,6 +66,7 @@ The action supports the following input parameters:
 | `username`   | Your GitLab username.                                                                                      | Yes      | N/A     |
 | `gitlab_pat` | Your GitLab Personal Access Token. Must have permissions to write (`write_repository` scope) to the target repository. | Yes      | N/A     |
 | `force_push` | Whether to force push to GitLab. If `true`, overwrites the destination branch. Use with caution.           | No       | `false` |
+| `git_lfs`    | Whether to sync Git LFS objects to GitLab. Requires LFS to be enabled on the target GitLab repository.    | No       | `false` |
 
 ## Feedback and Contributions
 

action.yml

@@ -17,6 +17,10 @@ inputs:
     description: 'Whether to force push to GitLab. Defaults to false.'
     required: false
     default: 'false'
+  git_lfs:
+    description: 'Whether to sync Git LFS objects to GitLab. Defaults to false.'
+    required: false
+    default: 'false'
 runs:
   using: 'composite'
   steps:
@@ -25,6 +29,7 @@ runs:
       with:
         fetch-depth: 0
         persist-credentials: false
+        lfs: ${{ inputs.git_lfs }}
     - name: Validate inputs
       run: |
         errors=()
@@ -62,6 +67,9 @@ runs:
         gitlab_repo_url_with_credentials="https://${{ inputs.username }}:${{ inputs.gitlab_pat }}@${gitlab_repo_url}"
         git remote add gitlab "$gitlab_repo_url_with_credentials"
         branch_name=$(echo $GITHUB_REF | sed 's/refs\/heads\///')
+        if [[ "${{ inputs.git_lfs }}" == "true" ]]; then
+          git lfs push --all gitlab
+        fi
         push_command="git push gitlab $branch_name"
         if [[ "${{ inputs.force_push }}" == "true" ]]; then
           push_command="$push_command --force"