run-for-repository

#!/bin/bash

# die on any error
set -e

config_read_file() {
    (grep -E "^${2}=" -m 1 "${1}" 2>/dev/null || echo "VAR=__UNDEFINED__") | head -n 1 | cut -d '=' -f 2-;
}

config_get() {
    val="$(config_read_file .git-notifier "${1}")";
    if [ "${val}" = "__UNDEFINED__" ]; then
        val="";
    fi
    printf -- "%s" "${val}";
}

REPOSITORY="$1";
CALL_DIRECTORY=$(pwd)
GITNOTIFIER_BASE=$(dirname $0)
BRANCH="$(config_get branch)";
if [ -z "${BRANCH}" ]; then
    BRANCH="master"
fi

if [ -z "${REPOSITORY}" ]; then
    echo Run with
    echo "   run-for-repository /path/to/repository"
    exit
fi

cd $REPOSITORY
REPONAME=$(basename $(pwd))

if [ ! -e .git ]; then
    echo Not a git repository
    exit 1
fi

echo "Preparing to run for repository ${REPONAME}"
git fetch
git clean -dff .
git checkout ${BRANCH}
git reset --hard "$(git rev-parse --abbrev-ref --symbolic-full-name @{u})"

echo
git log -1
echo

if [ ! -f .git-notifier ]; then
    echo "No .git-notifier file found in ${REPOSITORY}";
    exit
fi

# myvar="$(config_get myvar)"; # how to just read a value without echoing
RECIPIENT_USER="$(config_get recipient)";
RECIPIENT_HOST="$(config_get recipient_domain)";
if [ -z "${RECIPIENT_USER}" ] || [ -z "${RECIPIENT_HOST}" ]; then
    echo No recipient defined
    exit 1
fi

SENDER_NAME=$(config_get sender)
if [ -z "${SENDER_NAME}" ]; then
    SENDER_NAME=Jenkins
fi

REPLYTO_USER="$(config_get replyto)";
REPLYTO_HOST="$(config_get replyto_domain)";
if [ -z "${REPLYTO_USER}" ] || [ -z "${REPLYTO_HOST}" ]; then
    REPLYTO_USER="${RECIPIENT_USER}"
    REPLYTO_HOST="${RECIPIENT_HOST}"
fi

LINK="$(config_get link)";
if [ -z "${LINK}" ]; then
    LINK_PARAMETER=""
else
    LINK_PARAMETER=--repouri="${LINK}"
fi

COMMITLINK="$(config_get commit_link)";
if [ -z "${COMMITLINK}" ]; then
    COMMITLINK_PARAMETER=""
else
    COMMITLINK_PARAMETER=--link="${COMMITLINK}"
fi

COMMITSELECT=""
if [ ! -z "$OLDCOMMITID" ]; then
  echo
  echo Checking for previous commit ID ${OLDCOMMITID}
  set +e
  git rev-parse --quiet --verify ${OLDCOMMITID}^{commit} && {
    COMMITSELECT="--manual ${OLDCOMMITID}..$(git rev-parse HEAD)"
    echo Commit found! Selecting $COMMITSELECT
  }
  set -e
fi

touch "${CALL_DIRECTORY}/log-${REPONAME}"

# terminate leftover 'tail' processes on exit
trap 'kill $(jobs -p)' SIGINT SIGTERM EXIT
tail -f -n 0 "${CALL_DIRECTORY}/log-${REPONAME}" &

echo "Notifying for repository ${REPONAME}"

${GITNOTIFIER_BASE}/git-notifier \
  --mailinglist "${RECIPIENT_USER}@${RECIPIENT_HOST}" \
  --log "${CALL_DIRECTORY}/log-${REPONAME}" \
  --sender="${SENDER_NAME} <diamondlightsource.jenkins@gmail.com>" \
  --replyto="${REPLYTO_USER}@${REPLYTO_HOST}" \
  ${LINK_PARAMETER} \
  ${COMMITLINK_PARAMETER} \
  ${COMMITSELECT}

${GITNOTIFIER_BASE}/git-notifier --updateonly \
  --log "${CALL_DIRECTORY}/log-${REPONAME}"