$ git clone -n https://src.fedoraproject.org/rpms/bird.git /var/lib/mock/f31-build-61825-28969/root/chroot_tmpdir/scmroot/bird
Cloning into '/var/lib/mock/f31-build-61825-28969/root/chroot_tmpdir/scmroot/bird'...
$ git reset --hard b989cb3896a0a534adccc75329c303d1b3f3f670
HEAD is now at b989cb3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild