$ git clone -n https://src.fedoraproject.org/rpms/shellinabox.git /var/lib/mock/f45-build-35919-700/root/chroot_tmpdir/scmroot/shellinabox
Cloning into '/var/lib/mock/f45-build-35919-700/root/chroot_tmpdir/scmroot/shellinabox'...
$ git fetch origin 9611cf99f5a24b5f29e4966c87d565fcd4ded5b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shellinabox
 * [new ref]         9611cf99f5a24b5f29e4966c87d565fcd4ded5b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9611cf9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild