$ git clone -n https://src.fedoraproject.org/rpms/gimp-paint-studio.git /var/lib/mock/f39-build-2016335-46161/root/chroot_tmpdir/scmroot/gimp-paint-studio
Cloning into '/var/lib/mock/f39-build-2016335-46161/root/chroot_tmpdir/scmroot/gimp-paint-studio'...
$ git fetch origin c9fa22f2e8cff1e08168c9aa858b142795d5ba5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gimp-paint-studio
 * [new ref]         c9fa22f2e8cff1e08168c9aa858b142795d5ba5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9fa22f Fix flatpak build