$ git clone -n https://src.fedoraproject.org/rpms/travelccm.git /var/lib/mock/f40-build-2272334-54922/root/chroot_tmpdir/scmroot/travelccm
Cloning into '/var/lib/mock/f40-build-2272334-54922/root/chroot_tmpdir/scmroot/travelccm'...
$ git fetch origin 3e6cdfa4e2097173a26268f3c7b6f9cfc35d8316:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/travelccm
 * [new ref]         3e6cdfa4e2097173a26268f3c7b6f9cfc35d8316 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e6cdfa Rebuilt for Boost 1.83