%Summary says it all , since https://bodhi.fedoraproject.org/updates/FEDORA-2015-13441 landed, subsurface fails to build.
told this depends on bug #1257288 being fixed first
I backported a 2 line fix to make it build with libgit2 0.23.
subsurface-4.4.2-2.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2015-16263
Thanks!
subsurface-4.4.2-2.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with $ su -c 'dnf --enablerepo=updates-testing update subsurface' You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-16263
subsurface-4.4.2-2.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.