$ git clone -n https://gitee.com/yan1hcdc/glibc.git /var/lib/mock/dist-an23.3-build-431853-73058/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-an23.3-build-431853-73058/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 2012e1ca32e094fae74114f5ecd3461e89829d95:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/glibc
 * [new ref]         2012e1ca32e094fae74114f5ecd3461e89829d95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2012e1c add support for RISC-V build