$ git clone -n https://gitee.com/mgb01105731/gcc-toolset-15-binutils.git /var/lib/mock/dist-an23-build-534361-81566/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils
Cloning into '/var/lib/mock/dist-an23-build-534361-81566/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils'...
$ git fetch origin 3f2c35dfce50279918bee9192e94afcfbc2591bd:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/gcc-toolset-15-binutils
 * [new ref]         3f2c35dfce50279918bee9192e94afcfbc2591bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f2c35d Init