| xargs -0 -I% sh -c '$(DIFF) -q ~/% home/% > /dev/null || cp ~/% home/%'
push:
+ # TODO Backup files before replacing.
+ # But - recursive copy is not a good strategy for this.
+ # Need to do a file by file pass, like the diff recipe.
+ #
# Limit depth because directories are copied recursively:
find home -maxdepth 1 -print0 \
| $(GREP) -zv '^home$$' \