Merge pull request #1291 from mandiant/rules-cache

cache rule set across invocations of capa

.github/pyinstaller/pyinstaller.spec

@@ -19,6 +19,7 @@ a = Analysis(
         # i.e. ./.github/pyinstaller
         ("../../rules", "rules"),
         ("../../sigs", "sigs"),
+        ("../../cache", "cache"),
         # capa.render.default uses tabulate that depends on wcwidth.
         # it seems wcwidth uses a json file `version.json`
         # and this doesn't get picked up by pyinstaller automatically.

.github/workflows/build.yml

@@ -42,6 +42,8 @@ jobs:
         run: python -m pip install --upgrade pip setuptools
       - name: Install capa with build requirements
         run: pip install -e .[build]
+      - name: Cache the rule set
+        run: python ./scripts/cache-ruleset.py ./rules/ ./cache/
       - name: Build standalone executable
         run: pyinstaller --log-level DEBUG .github/pyinstaller/pyinstaller.spec
       - name: Does it run (PE)?