$ git clone -n https://gitee.com/opencloudos-stream/ghc-hosc.git /var/lib/mock/dist-oc9-epol-build-215551-80889/root/chroot_tmpdir/scmroot/ghc-hosc
Cloning into '/var/lib/mock/dist-oc9-epol-build-215551-80889/root/chroot_tmpdir/scmroot/ghc-hosc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-hosc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed2a59a Rebuild for ghc 9.8.4