$ git clone -n https://gitee.com/zhoujiajia111/libcgroup.git /var/lib/mock/dist-an23-build-492401-74553/root/chroot_tmpdir/scmroot/libcgroup
Cloning into '/var/lib/mock/dist-an23-build-492401-74553/root/chroot_tmpdir/scmroot/libcgroup'...
$ git fetch origin 65dcf7ff74349778fac1ba8a746556781d393598:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/libcgroup
 * [new ref]         65dcf7ff74349778fac1ba8a746556781d393598 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65dcf7f fix source download fail