FZF for lets.yaml and Makefile in one command

mk.sh

#!/usr/bin/env zsh

DISTANCE_COMMAND_DESCRIPTION=15

cmd_parse_lets="
import yaml
with open('lets.yaml', 'r') as f:
	commands = yaml.safe_load(f)
commands = commands['commands'].items()
lmax = max(len(k) for k, _ in commands)
commands = [(k + ' ' * ($DISTANCE_COMMAND_DESCRIPTION + lmax - len(k)), v) for k, v in commands]
commands = [f\"{k} {v['description']}\" for k, v in commands]
print('\n'.join(commands))
"

cmd_parse_make="
import re
with open('Makefile', 'r') as f:
	commands = [l.rstrip() for l in f.readlines()]
commands = [
	t for t in commands
	if (
		':' in t
		and not '%' in t
		and not '\$' in t
		and not t.startswith(' ')
		and not t.startswith('\t')
		and not t.startswith('.')
		and not t.startswith('#')
	)
]
commands = [t for t in commands if re.findall('(\\w+/\\w+)|(\\w+):', t)]
commands = [re.sub(':.*', '', t) for t in commands]
print('\n'.join(commands))
"

executor() {
	file=$1
	executor_cmd=$2
	parse_cmd="$3"
	args=${@:4}

	if [ -f $file ]; then
		# first script argument
		if [ -z $4 ]; then
			cmd=$(python3 -c "$parse_cmd" | fzf | cut -d" " -f1)
			if [ -z $cmd ]; then
				exit 0
			fi

			$executor_cmd $cmd
			exit 0
		fi

		$executor_cmd $args
		exit 0
	fi
}

main() {
	executor lets.yaml lets "$cmd_parse_lets" $@
	executor Makefile make "$cmd_parse_make" $@
	echo "Neither lets.yaml nor Makefile found"
}
main $@

Very basic fzf script for lets.yaml and Makefile in one command.

Checks if lets.yaml exists, if so parses the commands + description and puts it to fzf.
If no lets there, then does the same for a Makefile.