$ git clone -n https://src.fedoraproject.org/rpms/breeze-gtk.git /var/lib/mock/f41-build-side-1-3065395-38603/root/chroot_tmpdir/scmroot/breeze-gtk
Cloning into '/var/lib/mock/f41-build-side-1-3065395-38603/root/chroot_tmpdir/scmroot/breeze-gtk'...
$ git fetch origin 93982ab6d5eb73d829e89776ceb6c272a04069e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/breeze-gtk
 * [new ref]         93982ab6d5eb73d829e89776ceb6c272a04069e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93982ab 6.2.3