How to provide a prepared git commit message?

Question

By convention I create my story branches in git to include Jira issue ids in them, e.g. FOO-1001. I have a script to do that for me. Now, I have prepared another script that fet

Answer 1

There's also -F:

   -F , --file=
       Take the commit message from the given file. Use - to read the message from the standard input.