How about git commit-tree [Hash] -p branch1 -p branch2 … -m "Dummy Message"

My git knowledge:

git clone <url>

All these comments and no one is going to point out that this is invalid?

The git stage and git commit don't have any terminator, so it's all one "command" and will fail. Then there's a single & between git commit and git push, so it would run in parallel, so it would also fail.

Also, don't git stage . people. Or at least do a git status before to make sure you didn't stage file-with-all-the-production-secrets