$ git clone -n https://gitee.com/fundawang/icu.git /var/lib/mock/dist-an23-build-354107-71027/root/chroot_tmpdir/scmroot/icu
Cloning into '/var/lib/mock/dist-an23-build-354107-71027/root/chroot_tmpdir/scmroot/icu'...
$ git fetch origin eab28dbb767934c00fa8bf375a55a6025bc97504:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/icu
 * [new ref]         eab28dbb767934c00fa8bf375a55a6025bc97504 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eab28db 74.2