$ git clone -n https://gitee.com/opencloudos-stream/perl-B-COW.git /var/lib/mock/dist-ocs23-build-31178-1237/root/chroot_tmpdir/scmroot/perl-B-COW
Cloning into '/var/lib/mock/dist-ocs23-build-31178-1237/root/chroot_tmpdir/scmroot/perl-B-COW'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-B-COW
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da39b10 !1 Remove perl-libs which will be generated by perl-generators >= 1.15 Merge pull request !1 from jackxjchen/master