$ git clone -n https://src.fedoraproject.org/rpms/onionshare.git /var/lib/mock/f45-build-20944-576/root/chroot_tmpdir/scmroot/onionshare
Cloning into '/var/lib/mock/f45-build-20944-576/root/chroot_tmpdir/scmroot/onionshare'...
$ git fetch origin e8396a8677362e84ae82804740a2b375320170be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/onionshare
 * [new ref]         e8396a8677362e84ae82804740a2b375320170be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8396a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild