$ git clone -n https://src.fedoraproject.org/rpms/cobbler.git /var/lib/mock/f39-build-1518097-35799/root/chroot_tmpdir/scmroot/cobbler
Cloning into '/var/lib/mock/f39-build-1518097-35799/root/chroot_tmpdir/scmroot/cobbler'...
$ git fetch origin 1e0ee4450a73ab8c49600fd9c09c733d7154b4c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cobbler
 * [new ref]         1e0ee4450a73ab8c49600fd9c09c733d7154b4c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e0ee44 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild