# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

# The prepare function is executed in the root of the temp directory
# This function is used for putting downloaded files to the correct location or applying patches
prepare() {
  cd "$BPM_SOURCE"
  # Fix errors
  sed -i 's/getclock/getclock memchr/' sntp/m4/ntp_libntp.m4
  sed -i 's/pthread_detach(NULL)/pthread_detach(0)/' sntp/m4/openldap-thread-check.m4

  autoreconf -fi
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  # Fix for ntp compilation issue with libmd installed
  export CFLAGS="${CFLAGS} -Wno-incompatible-pointer-types"

  ./configure --prefix=/usr         \
              --bindir=/usr/sbin    \
              --sysconfdir=/etc     \
              --enable-linuxcaps    \
              --enable-ntp-signd
  make
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  make DESTDIR="$BPM_OUTPUT" install
  
  install -d "$BPM_OUTPUT"/var/lib/ntp
  chown -R 87:87 "$BPM_OUTPUT"/var/lib/ntp

  # Install config
  install -Dm644 "$BPM_WORKDIR"/ntp.conf "$BPM_OUTPUT"/etc/ntp.conf

  # Install esvm service
  install -Dm644 "$BPM_WORKDIR"/ntpd.esv "$BPM_OUTPUT"/etc/esvm/services/ntpd.esv

  # Install sysusers file
  install -Dm644 "$BPM_WORKDIR"/sysusers "$BPM_OUTPUT"/usr/lib/sysusers.d/ntp.conf

  # Install package license
  install -Dm644 COPYRIGHT "$BPM_OUTPUT"/usr/share/licenses/ntp/COPYRIGHT
}