$ git clone -n https://src.fedoraproject.org/rpms/libidn2.git /var/lib/mock/f31-build-69197-30291/root/chroot_tmpdir/scmroot/libidn2
Cloning into '/var/lib/mock/f31-build-69197-30291/root/chroot_tmpdir/scmroot/libidn2'...
$ git reset --hard 5a6cfcd0e716d068a87f786321c34b7265bfccda
HEAD is now at 5a6cfcd - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild