This seems to happen with any "grep -D" on my side, similar to https://issues.guix.gnu.org/66753 .
$ echo AAA | grep -P AA grep: Perl matching not supported in a --disable-perl-regexp build $ echo AAA | grep AA AAA (in my case, trying out fasd in fish <https://github.com/fishgretel/fasd/blob/9a16eddffbec405f06ac206256b0f7e3112b0e2c/conf.d/__fasd_run.fish#L2>) Any hint for what's going on?
