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DevOps-Bash-tools/check_makefile.sh

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2016-01-17 14:07:17 +0000 (Sun, 17 Jan 2016)
#
# https://github.com/harisekhon/nagios-plugins
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback
#
# https://www.linkedin.com/in/harisekhon
#
set -eu #o pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
. "$srcdir/utils.sh"
if [ -z "$(find -L "${1:-.}" -maxdepth 2 -name Makefile)" ]; then
return 0 &>/dev/null || :
exit 0
fi
section "M a k e"
start_time="$(start_timer)"
if which make &>/dev/null; then
find -L "${1:-.}" -maxdepth 2 -name Makefile |
while read makefile; do
pushd "$(dirname "$makefile")" >/dev/null
echo "Validating $makefile"
grep '^[[:alpha:]]\+:' Makefile |
sort -u |
sed 's/:$//' |
while read target; do
if ! make --warn-undefined-variables -n $target >/dev/null; then
echo "Makefile validation FAILED"
exit 1
fi
done
popd >/dev/null
done
fi
time_taken "$start_time"
section2 "Makefile validation SUCCEEDED"
echo