$ git clone -n https://src.fedoraproject.org/rpms/perl-B-Lint.git /var/lib/mock/f41-build-787167-13594/root/chroot_tmpdir/scmroot/perl-B-Lint
Cloning into '/var/lib/mock/f41-build-787167-13594/root/chroot_tmpdir/scmroot/perl-B-Lint'...
$ git fetch origin a4b501aa6ac58221d295b9456df561f8a919cd31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-B-Lint
 * [new ref]         a4b501aa6ac58221d295b9456df561f8a919cd31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4b501a Eliminate use of obsolete %patchN syntax (#2283636)