$ git clone -n https://src.fedoraproject.org/rpms/fio.git /var/lib/mock/f31-build-52411-27658/root/chroot_tmpdir/scmroot/fio
Cloning into '/var/lib/mock/f31-build-52411-27658/root/chroot_tmpdir/scmroot/fio'...
$ git reset --hard 9a4af46fa29e1927f8dc4324a86ddaf7c00bd498
HEAD is now at 9a4af46 patch out definition of gettid now that glibc has it