$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-frippery.git /var/lib/mock/f45-build-11547-432/root/chroot_tmpdir/scmroot/gnome-shell-frippery
Cloning into '/var/lib/mock/f45-build-11547-432/root/chroot_tmpdir/scmroot/gnome-shell-frippery'...
$ git fetch origin f99b65a0a7c84309d4b0f2f608e90a8f166df045:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-frippery
 * [new ref]         f99b65a0a7c84309d4b0f2f608e90a8f166df045 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f99b65a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild