derive-deftly 1.11.0

An ergonomic way to write derive() macros
Documentation 
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#!/bin/bash
set -euo pipefail

exec >&2

check-hard-tabs () {
    set +e
    git --no-pager grep -P '\t' ':*.md'
    rc=$?
    set -e
    case $rc in
	0) echo 'hard tabs found in markdown files'; return 1 ;;
	1) ok=true ;;
	*) return 1 ;;
    esac
}

failed=()
for check in hard-tabs
do
    check="check-$check"
    echo "-- $check --"
    (set -e; $check) || failed+=("$check")
done

echo "-- summary --"

if [ "${failed[*]}" = "" ]; then
    echo 'all ok.'
else
    echo "failed: ${failed[*]}"
    exit 1
fi