$ git clone -n https://src.fedoraproject.org/rpms/binutils.git /var/lib/mock/f39-build-730117-102328/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/f39-build-730117-102328/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin a74941f97f3edbd191d7e8019670c3dcc8b93381:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/binutils
 * [new ref]         a74941f97f3edbd191d7e8019670c3dcc8b93381 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a74941f Bump spec for CI fixes again