#!/usr/bin/env bash
# shellcheck disable=SC2230
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2022-01-06 18:34:01 +0000 (Thu, 06 Jan 2022)
#
# https://github.com/HariSekhon/DevOps-Bash-tools
#
# 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 to help improve or steer this or other code I publish
#
# https://www.linkedin.com/in/HariSekhon
#
set -euo pipefail
[ -n " ${ DEBUG :- } " ] && set -x
srcdir = " $( cd " $( dirname " ${ BASH_SOURCE [0] } " ) " && pwd ) "
# shellcheck disable=SC1090
. " $srcdir /lib/utils.sh "
# shellcheck disable=SC2034,SC2154
usage_description = "
Recurses a given directory tree or \$ PWD, finding all Groovy files and validating them using 'groovyc'
Useful for doing basic linting on simple self-contained Groovy scripts such as Jenkins Shared Libraries
"
help_usage " $@ "
echo "Checking for Groovy files"
filelist = " $( for directory in " ${ @ :- . } " ; do find " $directory " -type f -iname '*.groovy' ; done | sort -u) "
if [ -z " $filelist " ] ; then
return 0 & >/dev/null || :
exit 0
fi
section "G r o o v y"
if ! type -P groovyc & >/dev/null; then
echo "WARNING: groovyc not found in \$PATH, skipping Groovy checks"
echo
exit 0
fi
start_time = " $( start_timer) "
groovy --version
echo
check_groovyc( ) {
local filename = " $1 "
shift || :
# this requires far too many function exports for all called CI functions
#isExcluded "$filename" && return 0
if grep -E "^@NonCPS" " $filename " ; then
# can't test this Jenkins annotation without 'import com.cloudbees.groovy.cps.NonCPS'
return
fi
echo " groovyc $filename $* " >& 2
classfile_base = " ${ filename ##*/ } "
classfile_base = " ${ classfile_base %.groovy } "
# doens't stop class files being left behind in script $PWD, not directory containing "$filename"
#if ! groovyc --temp /tmp "$filename" "$@" >&2; then
if ! groovyc " $filename " " $@ " >& 2; then
rm -f -- " $classfile_base " *.class
echo 1
exit 1
fi
rm -f -- " $classfile_base " *.class
}
echo "building file list" >& 2
tests = " $(
while read -r filename; do
echo " check_groovyc \" $filename \" "
done <<< " $filelist "
) "
cpu_count = " $( cpu_count) "
multiplier = 1 # doesn't get faster increasing this in tests, perhaps even slightly slower due to context switching
parallelism = " $(( cpu_count * multiplier)) "
# 4 cores is counted as 8 due to hyperthreading, but this isn't any faster
#parallelism="$((cpu_count / 2))"
echo " found $cpu_count cores, running $parallelism parallel jobs "
echo
# export functions to use in parallel
export -f check_groovyc
export SHELL = /bin/bash # Debian docker container doesn't set this and defaults to sh, failing to find exported function
set +eo pipefail
tally = " $( parallel -j " $parallelism " <<< " $tests " ) "
exit_code = $?
set -eo pipefail
count = " $( awk '{sum+=$1} END{print sum}' <<< " $tally " ) "
echo >& 2
time_taken " $start_time "
echo >& 2
if [ $exit_code -eq 0 ] ; then
section2 "Groovy checks passed"
else
echo " ERROR: $count broken groovy files detected! " >& 2
echo >& 2
section2 "Groovy checks FAILED"
exit 1
fi