#!/usr/bin/env zsh
#
# List all files and directories but include the latest commits date and
# subject, similar to the file browser in web-UIs of services like GitHub. Also
# sort the entries by the commits date and time to see the most recent changed
# files/folders at the bottom.

# Execute normal ls when not in git repo
if ! git rev-parse 2>/dev/null; then
	ls -1p --color=auto "$@"
	return
fi

local color_set
[ -t 1 ] && color_set=always || color_set=never

ls -1p --color="$color_set" "$@" \
| while read -r line; do
	sanitized_line="$(sed 's/\x1b\[[^m]*m//g' <<<"$line")"
	git_info="$(git log -1 --format=$'%ci\t%cn\t%s' -- "$sanitized_line")"
	printf "%s\t%s\n" "$line" "$git_info"
done \
| sort -r -t$'\t' -k2,2 \
| column -s$'\t' -t \
| env COLUMNS="$COLUMNS" awk \
	'{
		sanit = gensub(/\x1b\[[^m]*m/, "", "g", $0);
		trunc_len = ENVIRON["COLUMNS"] + length($0) - length(sanit) - 3;
		print gensub("^(.{" trunc_len "}).{4,}$", "\\1...", "g")
	}'