$ git clone -n https://gitee.com/gcdota930915/edk2.git /var/lib/mock/dist-an23-build-346226-70159/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/dist-an23-build-346226-70159/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin a1d74f80c3c59855c02ceea88223497ab37e2c80:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/edk2
 * [new ref]         a1d74f80c3c59855c02ceea88223497ab37e2c80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1d74f8 Change brotli source tar