$ git clone -n https://gitee.com/src-anolis-os/perl-Math-BigInt-FastCalc.git /mnt/mock/kojid//dist-an23.3-riscv-build-438338-73130/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-438338-73130/root/chroot_tmpdir/scmroot/perl-Math-BigInt-FastCalc'...
$ git fetch origin f83fac778f8d5b9d64d0346bd0e086655ab41da9:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/perl-Math-BigInt-FastCalc
 * [new ref]         f83fac778f8d5b9d64d0346bd0e086655ab41da9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f83fac7 optimize spec