#!/usr/bin/env bash
# https://stackoverflow.com/questions/40698651/how-to-split-every-commit-by-file
# Split HEAD commit into multiples with single file in it.
#
# If you want to split a single commit during an interactive rebase, use it like this:
#   p Commit to split
#   x git-split

set -e

SHA=$(git rev-parse --short HEAD)

git reset HEAD^

git diff-tree --no-commit-id --name-only -r "$SHA" | while read -r f; do
  git add "$f"
  GIT_EDITOR="echo '0a\n$SHA $f\n\n.\nw' | ed -s" git commit -c "$SHA" --no-verify
done