# 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

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  auto/configure \
    --prefix=/etc/nginx \
    --conf-path=/etc/nginx/nginx.conf \
    --sbin-path=/usr/sbin/nginx \
    --modules-path=/usr/lib/nginx/modules \
    --pid-path=/run/nginx.pid \
    --lock-path=/run/lock/nginx.lock \
    --user=nginx \
    --group=nginx \
    --http-log-path=/var/log/nginx/access.log \
    --error-log-path=stderr \
    --http-client-body-temp-path=/var/lib/nginx/client-body \
    --http-proxy-temp-path=/var/lib/nginx/proxy \
    --http-fastcgi-temp-path=/var/lib/nginx/fastcgi \
    --http-scgi-temp-path=/var/lib/nginx/scgi \
    --http-uwsgi-temp-path=/var/lib/nginx/uwsgi \
    --with-cc-opt="$CFLAGS $CPPFLAGS" \
    --with-ld-opt="$LDFLAGS" \
    --with-compat \
    --with-debug \
    --with-file-aio \
    --with-http_addition_module \
    --with-http_auth_request_module \
    --with-http_dav_module \
    --with-http_degradation_module \
    --with-http_flv_module \
    --with-http_geoip_module=dynamic \
    --with-http_gunzip_module \
    --with-http_gzip_static_module \
    --with-http_image_filter_module=dynamic \
    --with-http_mp4_module \
    --with-http_perl_module=dynamic \
    --with-http_random_index_module \
    --with-http_realip_module \
    --with-http_secure_link_module \
    --with-http_slice_module \
    --with-http_ssl_module \
    --with-http_stub_status_module \
    --with-http_sub_module \
    --with-http_v2_module \
    --with-http_v3_module \
    --with-http_xslt_module=dynamic \
    --with-mail=dynamic \
    --with-mail_ssl_module \
    --with-pcre-jit \
    --with-stream=dynamic \
    --with-stream_geoip_module=dynamic \
    --with-stream_realip_module \
    --with-stream_ssl_module \
    --with-stream_ssl_preread_module \
    --with-threads
  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

  # Remove unwanted files and directories
  rm "$BPM_OUTPUT"/etc/nginx/*.default
  rmdir "$BPM_OUTPUT"/run

  # Install directories
  install -d "$BPM_OUTPUT"/srv
  install -o33 -g33 -d "$BPM_OUTPUT"/srv/nginx/
  install -d "$BPM_OUTPUT"/etc/nginx/modules.d
  install -d "$BPM_OUTPUT"/var/lib/nginx
  install -dm700 "$BPM_OUTPUT"/var/lib/nginx/proxy

  # Move /etc/nginx/html directory to /srv/nginx/html
  mv "$BPM_OUTPUT"/etc/nginx/html "$BPM_OUTPUT"/srv/nginx/html
  chown -R 33:33 "$BPM_OUTPUT"/srv/nginx/html

  # Change default config values
  sed -i \
    -e 's|user  nobody|user  nginx|g' \
    -e '44s|html|/srv/nginx/html|'    \
    -e '54s|html|/srv/nginx/html|'    \
    "$BPM_OUTPUT"/etc/nginx/nginx.conf

  # Install man page
  install -Dm644 objs/nginx.8 "$BPM_OUTPUT"/usr/share/man/man8/nginx.8

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

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

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/nginx/LICENSE
}