$ git clone -n https://gitee.com/fundawang/icu.git /var/lib/mock/dist-an23-build-354116-71027/root/chroot_tmpdir/scmroot/icu
Cloning into '/var/lib/mock/dist-an23-build-354116-71027/root/chroot_tmpdir/scmroot/icu'...
$ git fetch origin 27e0515dac29e2e0e67c9458947c4f34bbe788d7:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/icu
 * [new ref]         27e0515dac29e2e0e67c9458947c4f34bbe788d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27e0515 74.2