git find - combined git-grep and git-ls-files

git-find

#!/usr/bin/env bash
set -euo pipefail

# Search for a string in both filenames (git ls-files) and file contents (git grep)
# Usage: git find <search-term> [path...]

usage() {
	echo "Usage: git find <search-term> [path...]" >&2
	exit 1
}

main() {
	local grepspec=() pathspec=()

	for i in "$@"
	do test "$i" = "--" -o -d "$i" && pathspec+=("$i") || grepspec+=("$i")
	done

	test ${#pathspec[@]} -eq 0 && pathspec=("--" ".")

	git ls-files --recurse-submodules "${pathspec[@]}" | grep --color=auto "${grepspec[@]}"
	git grep --recurse-submodules --name-only "$@"
}

case $1 in
	'') usage ;;
	*) main "$@" ;;
esac