$ git clone -n https://src.fedoraproject.org/rpms/gumbo-parser.git /var/lib/mock/f31-build-51026-27471/root/chroot_tmpdir/scmroot/gumbo-parser
Cloning into '/var/lib/mock/f31-build-51026-27471/root/chroot_tmpdir/scmroot/gumbo-parser'...
$ git reset --hard 38aad4e76bd9ccf66fb80fcbb4691f5c94a32156
HEAD is now at 38aad4e - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild