$ git clone -n https://src.fedoraproject.org/rpms/binutils.git /var/lib/mock/f42-build-868579-176166/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/f42-build-868579-176166/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin 87ee448377d256b6d27cd78da51e82ebd19f3298:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/binutils
 * [new ref]         87ee448377d256b6d27cd78da51e82ebd19f3298 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87ee448 Rebase to official 2.44 release