kamailio-deb-jenkins/scripts/jdg-generate-source

#!/bin/bash
# Purpose: generate Debian source package based on project's git repository
# schema:
# $debian_dir: and one directory for every distribution
# $debian_auto_version: how the automatic version is created
# $tagbase: tag to use for git describe
cd source || {
  echo "cannot change to source/ directory" >&2
  exit 1
}

# debug info
env

kamailio_nightly() {
  case "${DISTRIBUTION}" in
   UNRELEASED) echo "*** UNRELEASED detected, use ${VERSION}" ;;
   *)
    if [ "${GIT_BRANCH}" != "origin/master" ]; then
      # use next point version instead, this is a nightly build
      # if we have A.B.C as ORIG_VERSION we should use A.B.C+1 instead
      if [[ ${VERSION} =~ ([0-9]+)\.([0-9]+)\.([0-9]+)$ ]] ; then
        NEXT=${BASH_REMATCH[3]}
        (( NEXT++ ))
        VERSION="${BASH_REMATCH[1]}.${BASH_REMATCH[2]}.${NEXT}"
        echo "*** branch build detected, next version is ${VERSION}"
      fi
    fi
    ;;
  esac
}

# defaults
build_tag=false
TAG=unknown
BASE_DIR=${debian_dir:-pkg/kamailio/deb}
JOB_NAME=${JOB_NAME:-kamailio-source}
distribution=${distribution:-unknown}
BUILD_NUMBER=${BUILD_NUMBER:-0}

if [ -n "$GIT_BRANCH" ] ; then
  # support both
  case "$GIT_BRANCH" in
    origin/tags/*)
      build_tag=true
      TAG=${GIT_BRANCH#origin/tags/}
      ;;
    refs/tags/*)
      build_tag=true
      TAG=${GIT_BRANCH#refs/tags/}
      ;;
  esac
fi

if [ ! -d "$BASE_DIR" ]; then
  # shellcheck disable=SC2016
  echo "No \$BASE_DIR [${BASE_DIR}] found on source" >&2
  exit 1
fi

git clean -fxd

if [ -x "${BASE_DIR}/generator.sh" ]; then
  echo "generate base debian directory"
  (
    cd "${BASE_DIR}" || exit 1
    ./generator.sh
  )
fi

if [ -x "${BASE_DIR}/debian/backports/${distribution}" ]; then
  echo "build debian directory for ${distribution}"
  (
    cd "${BASE_DIR}" || exit 1
    ./debian/backports/"${distribution}"
  )
fi

if [ ! -d "${BASE_DIR}/${distribution}" ]; then
  echo "${distribution} not supported" >&2
  exit 1
fi

if ! [ -f "${BASE_DIR}/${distribution}/changelog" ] ; then
  case "${JOB_NAME}" in
    rtpengine*)
      echo "update changelog from ngcp-rtpengine to rtpengine source"
      sed -i 's/ngcp-rtpengine/rtpengine/g' debian/changelog
      echo "source format native"
      sed -i 's/quilt/native/g' debian/source/format
      cp debian/source/format "${BASE_DIR}/${distribution}/"source/
      ;;
  esac
  echo "copying changelog from debian dir"
  cp debian/changelog "${BASE_DIR}/${distribution}/"
fi

rm -rf debian
cp -a "${BASE_DIR}/${distribution}" debian

export DEBEMAIL="Jenkins Sipwise <jenkins@sipwise.com>"

case "${distribution}" in
  precise)  BPO=ubuntu12.04 ;;
  trusty)   BPO=ubuntu14.04 ;;
  xenial)   BPO=ubuntu16.04 ;;
  bionic)   BPO=ubuntu18.04 ;;
  focal)    BPO=ubuntu20.04 ;;
  jammy)    BPO=ubuntu22.04 ;;
  noble)    BPO=ubuntu24.04 ;;
  bullseye) BPO=bpo11 ;;
  bookworm) BPO=bpo12 ;;
  trixie) BPO=bpo13 ;;
  *)
    echo "${distribution} not supported" >&2
    exit 2 ;;
esac

# not yet released, in order to avoid bad-distribution-in-changes-file error
case "${distribution}" in
  sid)
    echo "*** switch ${distribution} to unstable ***"
    distribution_control=unstable
    ;;
  *) distribution_control=${distribution} ;;
esac

if "$build_tag" ; then
  case "${JOB_NAME}" in
    rtpengine*) TAG=${TAG#mr} ;;
    *)  TAG=${TAG#v} ;;
  esac
  echo "*** Building a tagged version (${TAG}+${BPO}).***"
  dch -b --distribution="${distribution_control}" \
    --newversion="${TAG}+${BPO}" \
    -- "Automated package build for tag $TAG and distribution $distribution."
else
  VERSION=$(dpkg-parsechangelog --count 1 | awk '/^Version/ {print $2}')
  DISTRIBUTION=$(dpkg-parsechangelog --count 1 | awk '/^Distribution/ {print $2}')
  case "${JOB_NAME}" in
    kamailio*|kamcli*)  kamailio_nightly ;;
    rtpengine*) echo ;;
    *) echo "unknown JOB_NAME:${JOB_NAME}" >&2; exit 3 ;;
  esac
  TIMESTAMP="$(date -u +%Y%m%d%H%M%S)"
  if [[ "${VERSION}" =~ ~(dev|rc|pre)[0-9]+ ]] ; then
    echo "*** ${BASH_REMATCH[1]} version detected ***"
    AUTO_VERSION="${VERSION}+${BPO}.${TIMESTAMP}.${BUILD_NUMBER}"
  else
    AUTO_VERSION="${VERSION}~${BPO}.${TIMESTAMP}.${BUILD_NUMBER}"
  fi
  echo "*** Building version ${AUTO_VERSION} for ${distribution}.***"
  dch -b --distribution="${distribution_control}" \
    --newversion="${AUTO_VERSION}" \
    -- "Automated package build."
fi

dpkg-buildpackage -uc -us -nc -d -S -i -I --source-option=--unapply-patches