Git: pre-fill commit message with Jira Issue Id/title and re-use last commit message (also works with VSCode)

.git|config: Git commit template

# located in .git/config:
# VSCode will use this to prefill the git commit message box.
[commit]
	template = .git/.gitmessage.txt

.git|hooks|post-checkout

#!/bin/sh
# .git/hooks/post-checkout
# Writes the Jira Id + Jira summary from the recently checked out branch name to the git commit template.
#########################################################################################################

printf "`git rev-parse --abbrev-ref HEAD | sed 's/-/❤/' | sed -E 's/[-|_]+/ /g' | sed 's/❤/-/'`" > .git/.gitmessage.txt

.git|hooks|post-commit

#!/bin/sh
# .git/hooks/post-commit
# re-use last commit message
#########################################################

printf "`git log -1 --pretty=%s`" > .git/.gitmessage.txt

.vscode|keybindigs.json

[
  {
    "key": "ctrl+shift+g u", // Or what ever fits for you
    "command": "git.restoreCommitTemplate"
  },
]