$ git clone -n https://src.fedoraproject.org/rpms/perl-Glib-IO.git /var/lib/mock/f40-build-2304549-57027/root/chroot_tmpdir/scmroot/perl-Glib-IO
Cloning into '/var/lib/mock/f40-build-2304549-57027/root/chroot_tmpdir/scmroot/perl-Glib-IO'...
$ git fetch origin 2953eb1a479e8c3d720fcf8ff71b84ec83253899:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Glib-IO
 * [new ref]         2953eb1a479e8c3d720fcf8ff71b84ec83253899 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2953eb1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild