testPR.sh

#!/usr/bin/env bash
#
# Test a PR by automatically updating .gitlab-ci.yml
# then adding, committing, and pushing
# 
# Usage:
# ./testPR.sh <PR NUMBER> <REFBRANCH> <PRID> <SKIP CI> <MAKE NTUPLES> <IS SLC7>
# 
# PRID is optional, it will get updated in the CI job if it doesn't exist

set -x # help debugging by printing commands, watch out if you use secrets!

PULLNUM="$1"
REFBRANCH="$2"
PRID="$3"
SKIPCI="$4"  # if 1 skip all CI, 0 run
MAKENTUPLES="$5"  # if 1 run cmsRun, make ntuples, plot, if 0 skip that (i.e. compile only)
ISSLC7="$6"

NEWBRANCH="test${PULLNUM}"
git checkout master

# If local branch already exists, delete it and do it again
git branch -D "${NEWBRANCH}"

git checkout -b "${NEWBRANCH}" master

REPLACESTR="#@TESTVARS@"

IMAGE="gitlab-registry.cern.ch/ci-tools/ci-worker:slc6"
if [[ $ISSLC7 == 1 ]]; then
    IMAGE="gitlab-registry.cern.ch/ci-tools/ci-worker:cc7"
fi

CONTENTS="  PRNUM: \"${PULLNUM}\"\n"
CONTENTS="$CONTENTS  REFBRANCH: \"${REFBRANCH}\"\n"
CONTENTS="$CONTENTS  REMOTEBRANCH: \"pull/${PULLNUM}/head\"\n"
CONTENTS="$CONTENTS  LOCALBRANCH: \"${NEWBRANCH}\"\n"
CONTENTS="$CONTENTS  PRID: \"${PRID}\"\n"
CONTENTS="$CONTENTS  MAKENTUPLES: \"${MAKENTUPLES}\"\n"
CONTENTS="$CONTENTS  IMAGE: \"${IMAGE}\"\n"
CONTENTS="$CONTENTS$REPLACESTR\n"  # add REPLACESTR back on for any future replacements

# Only work with gnu sed, be careful on mac
sed -i -e "s|${REPLACESTR}|${CONTENTS}|g" .gitlab-ci.yml

git add ".gitlab-ci.yml"
COMMITMSG="Test PR ${PULLNUM}"
if [[ $SKIPCI == 1 ]]; then
    COMMITMSG="$COMMITMSG [ci skip]"  # gitlab feature
fi
git commit -m "${COMMITMSG}"
git push -f origin "${NEWBRANCH}"  # use force push to overwrite existing branch
echo "Pushed to origin/${NEWBRANCH}"
git checkout master

set +x