/opt/chainguard/fontmake/bin/cffsubr

usage: cffsubr [-h] [-o OUTPUT_FILE | -i] [-f {1,2}] [-N] [-d] input_file

Compress OpenType Font's CFF or CFF2 table by computing subroutines.

positional arguments:
  input_file            input font file. Must contain either CFF or CFF2 table

options:
  -h, --help            show this help message and exit
  -o, --output-file OUTPUT_FILE
                        optional path to output file. By default, dump binary data to stdout
  -i, --inplace         whether to overwrite the input file
  -f, --cff-version {1,2}
                        output CFF table format version
  -N, --no-glyph-names  whether to drop postscript glyph names when converting from CFF to CFF2.
  -d, --desubroutinize  Don't subroutinize, instead remove all subroutines (if any).