$ git clone -n https://src.fedoraproject.org/rpms/re2.git /var/lib/mock/f31-build-49568-27312/root/chroot_tmpdir/scmroot/re2
Cloning into '/var/lib/mock/f31-build-49568-27312/root/chroot_tmpdir/scmroot/re2'...
$ git reset --hard 3c41d300168a9ed1ab1275f2905e75dcce420396
HEAD is now at 3c41d30 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild