$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk2.git /var/lib/mock/f42-build-3354225-45019/root/chroot_tmpdir/scmroot/perl-Gtk2
Cloning into '/var/lib/mock/f42-build-3354225-45019/root/chroot_tmpdir/scmroot/perl-Gtk2'...
$ git fetch origin 72599e2281ee36876f93b56e6271b4c02e569151:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gtk2
 * [new ref]         72599e2281ee36876f93b56e6271b4c02e569151 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72599e2 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild