$ git clone -n https://gitee.com/mgb01105731/gcc-toolset-15-binutils.git /var/lib/mock/dist-an23-build-536212-82360/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils
Cloning into '/var/lib/mock/dist-an23-build-536212-82360/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils'...
$ git fetch origin bcfd06721046f2e09942d9c6788e779662f74ead:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/gcc-toolset-15-binutils
 * [new ref]         bcfd06721046f2e09942d9c6788e779662f74ead -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcfd067 Init