$ git clone -n https://src.fedoraproject.org/rpms/binutils.git /var/lib/mock/f39-build-730134-102337/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/f39-build-730134-102337/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin 13a8e71fadd15c84c9be06edc0961d6f3659924a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/binutils
 * [new ref]         13a8e71fadd15c84c9be06edc0961d6f3659924a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13a8e71 Add fixes for linker testsuite failures for the RISCV-64 target.