Useful `git` aliases

aliases.sh

#!/bin/bash
# Adds some useful git aliases

echo "Adding aliases"

# Lists changes (i.e. commit messages)
# "- " prefixed before each line after any whitespace for easily making a markdown list
# You can optionally provide from and to tags.
# 	`git ls-changes` will list changes from the last tag to HEAD
#	`git ls-changes tag_a` will list changes from tag_a to HEAD
#	`git ls-changes tag_a tag_b` will list changes from tag_a to tag_b
git config --global alias.ls-changes '!f() { from=${1:-$(git describe --tags --abbrev=0)}; to=${2:-HEAD}; git log --format=%B "$from".."$to" | grep -v -e "^$" | sed "s/^\(\s*\)/\1- /"; }; f'