Restore osx cache

.circleci/config.yml

@@ -365,11 +365,31 @@ commands:
 
   install_dependencies_osx:
     steps:
-      # FIXME: We used to cache dependencies on macOS but now it takes longer than just installing
-      # them each time. See https://github.com/ethereum/solidity/issues/12925.
+      - restore_cache:
+          keys:
+            - dependencies-osx-{{ arch }}-{{ checksum ".circleci/osx_install_dependencies.sh" }}
+      - attach_workspace:
+          at: .
+        # DO NOT EDIT between here and save_cache, but rather edit ./circleci/osx_install_dependencies.sh
+        # WARNING! If you do edit anything here instead, remember to invalidate the cache manually.
       - run:
           name: Install build dependencies
-          command: .circleci/osx_install_dependencies.sh
+          command: ./.circleci/osx_install_dependencies.sh
+      - run:
+          name: Cleaning outdated packages
+          command: brew cleanup
+      - save_cache:
+          key: dependencies-osx-{{ arch }}-{{ checksum ".circleci/osx_install_dependencies.sh" }}
+          paths:
+            - /usr/local/bin
+            - /usr/local/lib
+            - /usr/local/include
+            - /usr/local/Cellar/boost
+            - /usr/local/Cellar/cmake
+            - /usr/local/Cellar/wget
+            - /usr/local/Cellar/coreutils
+            - /usr/local/Cellar/diffutils
+            - /Users/distiller/Library/Caches/Homebrew
 
 defaults:
 
@@ -392,7 +412,6 @@ defaults:
           - via-ir-optimize
           - via-ir-no-optimize
 
-  # --------------------------------------------------------------------------
   # --------------------------------------------------------------------------
   # Base Image Templates
 
@@ -1121,8 +1140,6 @@ jobs:
     steps:
       - checkout
       - install_dependencies_osx
-      - attach_workspace:
-          at: .
       - run_soltest
       - store_test_results:
           path: test_results/
@@ -1135,8 +1152,6 @@ jobs:
     steps:
       - checkout
       - install_dependencies_osx
-      - attach_workspace:
-          at: .
       - run_cmdline_tests
       - store_artifacts_test_results
       - matrix_notify_failure_unless_pr

.circleci/osx_install_dependencies.sh

@@ -27,11 +27,14 @@
 
 # note that the following directories may be cached by circleci:
 # - /usr/local/bin
-# - /usr/local/sbin
 # - /usr/local/lib
 # - /usr/local/include
-# - /usr/local/Cellar
-# - /usr/local/Homebrew
+# - /usr/local/Cellar/boost
+# - /usr/local/Cellar/cmake
+# - /usr/local/Cellar/wget
+# - /usr/local/Cellar/coreutils
+# - /usr/local/Cellar/diffutils
+# - /Users/distiller/Library/Caches/Homebrew
 
 set -eu
 
@@ -52,11 +55,9 @@ function validate_checksum {
 
 if [ ! -f /usr/local/lib/libz3.a ] # if this file does not exists (cache was not restored), rebuild dependencies
 then
-  brew install boost
-  brew install cmake
-  brew install wget
-  brew install coreutils
-  brew install diffutils
+  # Install dependencies kegs
+  brew install boost cmake wget coreutils diffutils
+
   ./scripts/install_obsolete_jsoncpp_1_7_4.sh
 
   # z3