$ git clone -n https://src.fedoraproject.org/rpms/createrepo_c.git /var/lib/mock/f31-build-89543-32092/root/chroot_tmpdir/scmroot/createrepo_c
Cloning into '/var/lib/mock/f31-build-89543-32092/root/chroot_tmpdir/scmroot/createrepo_c'...
$ git reset --hard b589a99aef8a2e89f423011abcb5032abd88fd5b
HEAD is now at b589a99 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild