$ git clone -n https://src.fedoraproject.org/rpms/breeze-gtk.git /var/lib/mock/f40-build-2065558-49264/root/chroot_tmpdir/scmroot/breeze-gtk
Cloning into '/var/lib/mock/f40-build-2065558-49264/root/chroot_tmpdir/scmroot/breeze-gtk'...
$ git fetch origin 30dfa1db032d8a92a79397907cec4ec29b416438:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/breeze-gtk
 * [new ref]         30dfa1db032d8a92a79397907cec4ec29b416438 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30dfa1d fix: upload missing sources