$ git clone -n https://src.fedoraproject.org/rpms/jthread.git /var/lib/mock/f31-build-62879-29269/root/chroot_tmpdir/scmroot/jthread
Cloning into '/var/lib/mock/f31-build-62879-29269/root/chroot_tmpdir/scmroot/jthread'...
$ git reset --hard d90a75e7883a7dffec1ea248c1c5a8e5cdc715d0
HEAD is now at d90a75e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild