$ git clone -n https://gitee.com/mgb01105731/gcc-toolset-15-annobin.git /var/lib/mock/dist-an23-build-534346-81548/root/chroot_tmpdir/scmroot/gcc-toolset-15-annobin
Cloning into '/var/lib/mock/dist-an23-build-534346-81548/root/chroot_tmpdir/scmroot/gcc-toolset-15-annobin'...
$ git fetch origin d5804e63131d16770e5d9276fd6a3ea7ac6975c8:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/gcc-toolset-15-annobin
 * [new ref]         d5804e63131d16770e5d9276fd6a3ea7ac6975c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5804e6 Init