$ git clone -n https://gitee.com/src-anolis-os/gcc.git /var/lib/mock/dist-an7_9-updates-build-371106-71470/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-an7_9-updates-build-371106-71470/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 8927e41f7c19a135f36295c831105fbfa11282f2:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/gcc
 * [new ref]         8927e41f7c19a135f36295c831105fbfa11282f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8927e41 Rebrand: Close macro multilib_64_archs