$ git clone -n https://src.fedoraproject.org/rpms/libgap.git /var/lib/mock/f29-build-7231-1776/root/thebuilddir/tmp/scmroot/libgap
Cloning into '/var/lib/mock/f29-build-7231-1776/root/thebuilddir/tmp/scmroot/libgap'...
$ git reset --hard 1348a6e4c975e0d0335f4a7fc49910e3adc85292
HEAD is now at 1348a6e - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild