$ git clone -n https://src.fedoraproject.org/rpms/cmocka.git /var/lib/mock/f42-build-3273926-41313/root/chroot_tmpdir/scmroot/cmocka
Cloning into '/var/lib/mock/f42-build-3273926-41313/root/chroot_tmpdir/scmroot/cmocka'...
$ git fetch origin 67b7363a7911811a80d4d1b6ff9341d594ad1dd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cmocka
 * [new ref]         67b7363a7911811a80d4d1b6ff9341d594ad1dd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67b7363 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild