PAYLOAD=$(cat << 'JSON'
{
  "branch": "master",
  "commit_message": "some commit message",
  "actions": [
    {
      "action": "create",
      "file_path": "foo/bar",
      "content": "some content"
    },
    {
      "action": "delete",
      "file_path": "foo/bar2"
    },
    {
      "action": "move",
      "file_path": "foo/bar3",
      "previous_path": "foo/bar4",
      "content": "some content"
    },
    {
      "action": "update",
      "file_path": "foo/bar5",
      "content": "new content"
    },
    {
      "action": "chmod",
      "file_path": "foo/bar5",
      "execute_filemode": true
    }
  ]
}
JSON
)
curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" --header "Content-Type: application/json" --data "$PAYLOAD" https://gitlab.example.com/api/v4/projects/1/repository/commits  

curl --request POST  --header "PRIVATE-TOKEN: ***" --header "Content-Type: application/json"  --data '{"branch":"my_branch","commit_message":"message","actions":[{"action":"delete","file_path":"README.md"}]}' https://gitlab.com/api/v4/projects/1/repository/commits

curl --request POST  --header "PRIVATE-TOKEN: ***" --header "Content-Type: application/json"  --data "@1.json" https://gitlab.com/api/v4/projects/1/repository/commits