$ git clone -n https://src.fedoraproject.org/rpms/breeze-gtk.git /var/lib/mock/f40-build-2442029-61002/root/chroot_tmpdir/scmroot/breeze-gtk
Cloning into '/var/lib/mock/f40-build-2442029-61002/root/chroot_tmpdir/scmroot/breeze-gtk'...
$ git fetch origin 4c23312a379f9407940463723d8bff13ca1db947:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/breeze-gtk
 * [new ref]         4c23312a379f9407940463723d8bff13ca1db947 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c23312 5.93.0