Script to check if a local Git repository can be deleted safely without losing any work

git-safe-to-delete

#!/usr/bin/env bash

# Check if the working tree is clean.
# The working tree is clean if the output of `git status --porcelain` is empty.
[ -z "$(git status --porcelain)" ] || echo "Working tree not clean."

# Check if there are any stashes.
# There are no stashes if the output of `git stash list` is empty.
[ -z "$(git stash list)" ] || echo "Stash list not empty."

# Check if any local branch does is not tracking a remote branch or is ahead of its upstream branch.
git for-each-ref --shell \
	--format='case %(upstream:trackshort) in
    "" )
	echo "Branch %(refname:short) has no upstream." ;;
    ">" )
	echo "Branch %(refname:short) is ahead of upstream branch %(upstream:short)." ;;
esac' \
	refs/heads/ | . /dev/stdin