$ git clone -n http://fedora.riscv.rocks:3000/rpms/glibc.git /var/lib/mock/f42-build-861780-170352/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/f42-build-861780-170352/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 80e2ed7c865949511ad0e0ebb9a16f198ced0fac:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/glibc
 * [new ref]         80e2ed7c865949511ad0e0ebb9a16f198ced0fac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80e2ed7 Move riscv64 lp64d symlink to filesystem package