$ git clone -n https://src.fedoraproject.org/rpms/kuser.git /var/lib/mock/f31-build-66663-29917/root/thebuilddir/tmp/scmroot/kuser
Cloning into '/var/lib/mock/f31-build-66663-29917/root/thebuilddir/tmp/scmroot/kuser'...
$ git reset --hard 87b877c5720f14217dc9e13f5aefc3e31fc9a71f
HEAD is now at 87b877c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild