$ git clone -n https://src.fedoraproject.org/rpms/fedmsg.git /var/lib/mock/f41-build-1020781-18018/root/chroot_tmpdir/scmroot/fedmsg
Cloning into '/var/lib/mock/f41-build-1020781-18018/root/chroot_tmpdir/scmroot/fedmsg'...
$ git fetch origin cb6aacf705f8e1c01d8e6739a22d569083d64413:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedmsg
 * [new ref]         cb6aacf705f8e1c01d8e6739a22d569083d64413 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb6aacf Rebuilt for Python 3.13