$ git clone -n https://gitee.com/src-anolis-os/perl-Math-BigInt-GMP.git /mnt/mock/kojid//dist-an23.3-riscv-build-438352-73130/root/chroot_tmpdir/scmroot/perl-Math-BigInt-GMP
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-438352-73130/root/chroot_tmpdir/scmroot/perl-Math-BigInt-GMP'...
$ git fetch origin 4036c1b76bdc840de3fe0c5ac9c88c1c0c650da4:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/perl-Math-BigInt-GMP
 * [new ref]         4036c1b76bdc840de3fe0c5ac9c88c1c0c650da4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4036c1b init from upstream