$ git clone -n https://gitee.com/mgb01105731/gcc-toolset-15-binutils.git /var/lib/mock/dist-an23-build-532557-80970/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils
Cloning into '/var/lib/mock/dist-an23-build-532557-80970/root/chroot_tmpdir/scmroot/gcc-toolset-15-binutils'...
$ git fetch origin 3899c8054043a48aaa11fd98cf01716c6dc96444:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/gcc-toolset-15-binutils
 * [new ref]         3899c8054043a48aaa11fd98cf01716c6dc96444 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3899c80 Init