$ git clone -n https://gitee.com/opencloudos-stream/gcc-toolset-15-gcc.git /var/lib/mock/dist-oc9-epol-build-240676-82744/root/chroot_tmpdir/scmroot/gcc-toolset-15-gcc
Cloning into '/var/lib/mock/dist-oc9-epol-build-240676-82744/root/chroot_tmpdir/scmroot/gcc-toolset-15-gcc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gcc-toolset-15-gcc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7adb033 !1 add binary Merge pull request !1 from xionghuluo/master