#!/bin/bash

# sd-list-dependencies-extra - augment output of `systemctl list-dependencies`

# The current version adds to each line the values of selected unit options
# (if defined in the respective unit file).

# The unit options to select (regexps)
MATCH_OPTIONS=('Condition.*=' 'Exec.*=')

filter_unit_options() {
    local IFS='|'
    systemctl cat -- "$1" | grep -E "^(${MATCH_OPTIONS[*]})"
}

augment_output() {
    local line unit opts
    while read line; do
	unit=$(grep -o '[-.[:alnum:]]*$' <<<"$line")
	opts=$(filter_unit_options "$unit" | sed -e 's/^/[/; s/$/]/' | tr '\n' ' ')
	echo "$line $opts"
    done
}

systemctl --no-pager list-dependencies $1 | augment_output