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jenkins.sh
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jenkins.sh
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#! /bin/bash
set -e
# Copy files from /usr/share/jenkins/ref into $JENKINS_HOME
# So the initial JENKINS-HOME is set with expected content.
# Don't override, as this is just a reference setup, and use from UI
# can then change this, upgrade plugins, etc.
copy_reference_file() {
f="${1%/}"
b="${f%.override}"
echo "$f" >> "$COPY_REFERENCE_FILE_LOG"
rel="${b:23}"
dir=$(dirname "${b}")
echo " $f -> $rel" >> "$COPY_REFERENCE_FILE_LOG"
if [[ ! -e $JENKINS_HOME/${rel} || $f = *.override ]]
then
echo "copy $rel to JENKINS_HOME" >> "$COPY_REFERENCE_FILE_LOG"
mkdir -p "$JENKINS_HOME/${dir:23}"
cp -r "${f}" "$JENKINS_HOME/${rel}";
# pin plugins on initial copy
[[ ${rel} == plugins/*.jpi ]] && touch "$JENKINS_HOME/${rel}.pinned"
fi;
}
: ${JENKINS_HOME:="/var/jenkins_home"}
export -f copy_reference_file
touch "${COPY_REFERENCE_FILE_LOG}" || (echo "Can not write to ${COPY_REFERENCE_FILE_LOG}. Wrong volume permissions?" && exit 1)
echo "--- Copying files at $(date)" >> "$COPY_REFERENCE_FILE_LOG"
find /usr/share/jenkins/ref/ -type f -exec bash -c "copy_reference_file '{}'" \;
# if `docker run` first argument start with `--` the user is passing jenkins launcher arguments
if [[ $# -lt 1 ]] || [[ "$1" == "--"* ]]; then
eval "exec java $JAVA_OPTS -jar /usr/share/jenkins/jenkins.war $JENKINS_OPTS \"\$@\""
fi
# As argument is not jenkins, assume user want to run his own process, for sample a `bash` shell to explore this image
exec "$@"