$ git clone -n https://gitee.com/src-anolis-os/gegl.git /var/lib/mock/dist-an8-glib2-2.56-build-341545-69889/root/chroot_tmpdir/scmroot/gegl
Cloning into '/var/lib/mock/dist-an8-glib2-2.56-build-341545-69889/root/chroot_tmpdir/scmroot/gegl'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/gegl
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28f9f19 Rebuild