$ git clone -n https://src.fedoraproject.org/rpms/travelccm.git /var/lib/mock/f40-build-2233886-53387/root/chroot_tmpdir/scmroot/travelccm
Cloning into '/var/lib/mock/f40-build-2233886-53387/root/chroot_tmpdir/scmroot/travelccm'...
$ git fetch origin 712653c8d7a2e8a6164b880e954b7556599b34e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/travelccm
 * [new ref]         712653c8d7a2e8a6164b880e954b7556599b34e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 712653c Modernized the spec file