$ git clone -n https://src.fedoraproject.org/rpms/tomsfastmath.git /var/lib/mock/f31-build-59887-28658/root/chroot_tmpdir/scmroot/tomsfastmath
Cloning into '/var/lib/mock/f31-build-59887-28658/root/chroot_tmpdir/scmroot/tomsfastmath'...
$ git reset --hard 541a932bf73bea0acb870ff9efd8e013193ecb2c
HEAD is now at 541a932 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild