$ git clone -n https://src.fedoraproject.org/rpms/libsquish.git /var/lib/mock/f45-build-17035-495/root/chroot_tmpdir/scmroot/libsquish
Cloning into '/var/lib/mock/f45-build-17035-495/root/chroot_tmpdir/scmroot/libsquish'...
$ git fetch origin 240de33d51741ecb5367567d1c7b16acde78821a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsquish
 * [new ref]         240de33d51741ecb5367567d1c7b16acde78821a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 240de33 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild