What files/directories are needed to recreate a Xilinx PlanAhead project?
The .ppr file is the PlanAhead project file.
Assuming the project is named project, it references these files which appear to be needed



./project.data/constrs_1/fileset.xml
./project.data/sources_1/fileset.xml
./project.data/runs/runs.xml
./project.data/runs/impl_1.psg



runs.xml seems to also contain output/status information so changes onrecompile.

impl_1.psg contains bitgen options.


Assuming ChipScope



./project.sources_1/chipscope.xml
./project.data/sources_1/cs/u_icon*/u_icon.ngc
./project.data/sources_1/cs/cs_il*/cs_ila*.ngc



Files you don't need:

wt/ (webtalk)

Files that I don't know if needed or not

./project.data/runs/synth_1/constrs_in.xml
./project.data/runs/synth_1/sources.xml