# This is the source.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

DOWNLOAD="https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-${BPM_PKG_VERSION%.*}/ntp-${BPM_PKG_VERSION}.tar.gz"
FILENAME="${DOWNLOAD##*/}"

# The prepare function is executed in the root of the temp directory
# This function is used for downloading files and putting them into the correct location
prepare() {
  wget "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"

  # Fix pthread_detach configure error
  sed -e "s;pthread_detach(NULL);pthread_detach(0);" -i "$BPM_SOURCE"/configure "$BPM_SOURCE"/sntp/configure
}

# 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 check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  make check
}

# 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
}