CI: generate full cache on main

.github/workflows/doc-coverage.yml

@@ -102,7 +102,7 @@ jobs:
             solvers/minion/vendor
 
           key: nightly-${{ runner.os }}-gitmodules-${{ steps.cache-vars.outputs.submodule_sha }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: nightly-${{ runner.os }}-gitmodules-
+          restore-keys: nightly-${{ runner.os }}
 
       - name: Use nightly 
         run: rustup update nightly && rustup default nightly

.github/workflows/update-caches.yml

@@ -0,0 +1,60 @@
+name: Full Caches
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  caches:
+    strategy:
+      matrix:
+        version: [nightly,stable]
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    name: "Regenerate Caches ($${{ matrix.version }}, ${{ runner.os }}" 
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+
+      - name: Generate caching variables
+        id: cache-vars
+        run: |
+          echo -e "submodule_sha=$(./etc/ci/get_submodules_hash.sh)" >> "$GITHUB_OUTPUT"
+          echo -e "submodule_sha=$(./etc/ci/get_submodules_hash.sh)"
+
+      - name: Set up cache
+        uses: actions/cache/restore@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/
+            ~/.cargo/git/
+            target/            
+            solvers/minion/vendor
+            solvers/chuffed/vendor
+
+          key: ${{ matrix.version }}-${{ runner.os }}-gitmodules-${{ steps.cache-vars.outputs.submodule_sha }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ matrix.version }}-${{ runner.os }}
+
+      - name: Install rust ${{ matrix.version }}
+        run: rustup update ${{ matrix.version }} && rustup default ${{ matrix.version }}
+
+      - run : cargo build --workspace
+
+      - name: Delete cache if it already exists, so we can overwrite it
+      - run: | 
+          gh cache delete "${{ matrix.version }}-${{ runner.os }}-gitmodules-${{ steps.cache-vars.outputs.submodule_sha }}-cargo-${{ hashFiles('**/Cargo.lock') }}"
+          # always succeed even if cache does not exist
+          true
+
+      - name: Save cache
+        uses: actions/cache/save@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/
+            ~/.cargo/git/
+            target/            
+            solvers/minion/vendor
+            solvers/chuffed/vendor
+        key: ${{ matrix.version }}-${{ runner.os }}-gitmodules-${{ steps.cache-vars.outputs.submodule_sha }}-cargo-${{ hashFiles('**/Cargo.lock') }}

etc/ci/genindex.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # ---
+# 
 # Copyright 2023 glowinthedark
 #
 # Licensed under the Apache License, Version 2.0 (the "License");