#!/bin/sh
# command-not-found: display useful package suggestions when a command is not found
#
# Copyright (c) 2017 William Pitcock <nenolod@dereferenced.org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

results=$(apk search -xv "cmd:$1" 2>/dev/null)

if [ "$results" ]; then
	printf "The program '%s' may be found in these packages:\n" "$1" >&2
	printf "%s\n" "$results" | while read atom _ desc
	do
		atom=${atom%-*}; atom=${atom%-*}  # remove version
		printf " * %s: %s\n" "$atom" "$desc" >&2
	done
	printf "To install packages: 'apk add <selected package>'\n" >&2
else
	printf "%s: not found\n" "$1" >&2
fi

# POSIX EX_NOTFOUND exit code
exit 127
