$ git clone -n https://gitee.com/gcdota930915/gcc-toolset-14-gcc_1.git /var/lib/mock/dist-an23.2-build-399445-72346/root/chroot_tmpdir/scmroot/gcc-toolset-14-gcc_1
Cloning into '/var/lib/mock/dist-an23.2-build-399445-72346/root/chroot_tmpdir/scmroot/gcc-toolset-14-gcc_1'...
$ git fetch origin dd15a041f4b5ea07b94436a206ddfc2e9e1e5d85:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/gcc-toolset-14-gcc_1
 * [new ref]         dd15a041f4b5ea07b94436a206ddfc2e9e1e5d85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd15a04 update gcc.spec.