$ git clone -n https://gitee.com/mgb01105731/gcc-toolset-15-binutils.git /var/lib/mock/dist-an23-build-534338-81523/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils
Cloning into '/var/lib/mock/dist-an23-build-534338-81523/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils'...
$ git fetch origin e3321e56b44495477fc2b5d650366529e8d0da2f:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/gcc-toolset-15-binutils
 * [new ref]         e3321e56b44495477fc2b5d650366529e8d0da2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3321e5 Init