$ git clone -n https://src.fedoraproject.org/rpms/cscope.git /var/lib/mock/f45-build-7135-358/root/chroot_tmpdir/scmroot/cscope
Cloning into '/var/lib/mock/f45-build-7135-358/root/chroot_tmpdir/scmroot/cscope'...
$ git fetch origin 61bcf4babcae77bb1ca97f9ece5930bc3b8c5ded:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cscope
 * [new ref]         61bcf4babcae77bb1ca97f9ece5930bc3b8c5ded -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61bcf4b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild