$ git clone -n https://src.fedoraproject.org/rpms/perl-B-Generate.git /var/lib/mock/f41-build-817399-150780/root/chroot_tmpdir/scmroot/perl-B-Generate
Cloning into '/var/lib/mock/f41-build-817399-150780/root/chroot_tmpdir/scmroot/perl-B-Generate'...
$ git fetch origin afbd73d6862c22a6466cccb98173ab2963d1130a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-B-Generate
 * [new ref]         afbd73d6862c22a6466cccb98173ab2963d1130a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afbd73d Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild