$ git clone -n https://gitee.com/opencloudos-stream/perl-Env-ShellWords.git /var/lib/mock/dist-oc9-epol-build-93621-59457/root/chroot_tmpdir/scmroot/perl-Env-ShellWords
Cloning into '/var/lib/mock/dist-oc9-epol-build-93621-59457/root/chroot_tmpdir/scmroot/perl-Env-ShellWords'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Env-ShellWords
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d12e970 update