$ git clone -n https://gitee.com/src-anolis-os/libpng.git /mnt/mock/kojid//dist-an23.3-riscv-build-437371-73130/root/chroot_tmpdir/scmroot/libpng
Cloning into '/mnt/mock/kojid//dist-an23.3-riscv-build-437371-73130/root/chroot_tmpdir/scmroot/libpng'...
$ git fetch origin 7e2903c302fae9045ce1e2264d3d75c5b37429fe:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libpng
 * [new ref]         7e2903c302fae9045ce1e2264d3d75c5b37429fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e2903c Update to 1.6.40 from 1.6.39