run-lint

#!/bin/bash
#
# Clone source repo to be tested and run tests
#

SCRIPT_PID=$$

if [ $# -ne 5 ]; then
  echo 'arguments: <main_repo_url> <requester_repo_url> <sha_pull_req> <ref_repo_url> <temp_path>'
  echo
  exit
fi
MAIN_URL=$1
TARGET_URL=$2
SHA=$3
REF_URL=$4
TMP_DIR=$5

#
# Make sure there are no stray processes running
#
if [ -z "$PDFJSBOT_STAGING" ]; then
  echo "========== Killing any stray processes"
  ps ax -o "pid command" | grep -v 'grep' | grep -E -i 'test.py' | sed -E 's/([0-9]+) .+/\1/g' | xargs kill -TERM 1>/dev/null 2>/dev/null
  ps ax -o "pid comm" | grep -E -i 'firefox' | sed -E 's/([0-9]+) .+/\1/g' | xargs kill -9 1>/dev/null 2>/dev/null
fi

#
# killtree(): Kills all descendant child processes
#
killtree() {
    local _pid=$1
    local _regex="[ ]*([0-9]+)[ ]+${_pid}"
    for _child in $(/bin/ps ax -o "pid= ppid=" | grep -E "${_regex}" | sed -E "s/${_regex}/\1/g"); do
        killtree ${_child}
    done
    kill -KILL ${_pid} 1>/dev/null 2>/dev/null
}

#
# Run killtree() upon signal
# NB: trap only works during "wait" or after a command is done
trap "killtree $SCRIPT_PID" SIGTERM SIGINT


#
# Set up vars
#
# Get absolute path for current dir
SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
# Hack to get absolute path for tmp path
mkdir -p $TMP_DIR; cd $TMP_DIR
TMP_DIR="$( cd "$( dirname "$0" )" && pwd )"
TARGET_DIR=$TMP_DIR/tests/$SHA

if [ -d $TARGET_DIR ]; then
  rm -rf $TARGET_DIR
fi


#
# Garbage collector
#
echo
echo "========== Running garbage collector in $TMP_DIR"
cd $SCRIPT_DIR
./run-gc $TMP_DIR


#
# Fetch git repo to be tested (target), checkout desired sha
#
echo
echo "========== Cloning pull request repo"
mkdir -p $TARGET_DIR
cd $TARGET_DIR
git clone $TARGET_URL .
if [ $? != 0 ]; then
  echo
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  echo "ERROR: Could not clone $TARGET_URL"
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  exit
fi
git checkout --quiet $SHA
if [ $? != 0 ]; then
  echo
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  echo "ERROR: Could not checkout sha $SHA"
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  exit
fi


#
# Merge upstream into pull request
#
echo
echo "========== Merging upstream into pull request clone"
cd $TARGET_DIR
git pull --quiet $MAIN_URL master
if [ $? != 0 ]; then
  echo
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  echo "ERROR: Could not merge upstream into pull request. Please resolve conflicts."
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  exit
fi


#
# Run linter
#
echo
echo "========== Running 'make lint'"
cd $TARGET_DIR
make lint &
wait $! # so we can trap SIGTERM, see above

echo
echo "All done."