cp $SRC/backdrop/civicrm.config.php.backdrop $TRG/civicrm.config.php
dm_generate_version "$TRG/civicrm-version.php" Backdrop
dm_install_core "$SRC" "$TRG"
+dm_install_coreext "$SRC" "$TRG" $(dm_core_exts)
dm_install_packages "$SRC/packages" "$TRG/packages"
dm_install_vendor "$SRC/vendor" "$TRG/vendor"
dm_install_bower "$SRC/bower_components" "$TRG/bower_components"
# gen tarball
cd $TRG/..
+dm_assert_no_symlinks civicrm
tar czf $DM_TARGETDIR/civicrm-$DM_VERSION-backdrop.tar.gz civicrm
# clean up