check_doxygen

#! /usr/bin/env bash

# abort on error
set -ex

# check for correct number of arguments
if [ $# -ne 1 ]
then
    echo "wrong number of arguments"
    echo "usage: check_doxygen <doxygen_log_file>"
    exit 1
fi

# check for required environment variables
: ${gitlabToken:?"'gitlabToken' not set or empty"}
: ${gitlabTargetNamespace:?"'gitlabTargetNamespace' not set or empty"}
: ${gitlabTargetRepoName:?"'gitlabTargetRepoName' not set or empty"}
: ${gitlabMergeRequestId:?"'gitlabMergeRequestId' not set or empty"}
: ${BUILD_URL:?"'BUILD_URL' not set or empty"}

# parse doxygen logfile
DOXY_LOG=$1
ARTEFACT=$(basename $DOXY_LOG)
if [ -e $DOXY_LOG ]
then
    WARNINGS=`grep -i warning $DOXY_LOG | wc -l`
    ERRORS=`grep -i error $DOXY_LOG | wc -l`
    COMMENT="doxygen output:<br />$ERRORS errors<br />$WARNINGS warnings<br />full doxygen output can be found [here]($BUILD_URL/artifact/$ARTEFACT)"
else
    COMMENT="<b>FATAL</b>: no logfile from doxygen found"
fi

# publish result as comment
./comment_merge_request add "$COMMENT" --project $gitlabTargetNamespace/$gitlabTargetRepoName --merge-request-id $gitlabMergeRequestId --token $gitlabToken