$ git clone -n https://gitee.com/src-anolis-os/perl-B-COW.git /mnt/mock/kojid//dist-an23.3-riscv-build-438200-73130/root/chroot_tmpdir/scmroot/perl-B-COW
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-438200-73130/root/chroot_tmpdir/scmroot/perl-B-COW'...
$ git fetch origin 7eafd4349adbd84e022bce9920504401b709042a:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/perl-B-COW
 * [new ref]         7eafd4349adbd84e022bce9920504401b709042a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7eafd43 init from upstream