gitlab-ci, build/macos: Add caching to MacPorts builds

This makes the macOS builds way faster (aprox. 1hr instead of 3.5hr)
thanks to local caching of GNOME runner. We, however, still need to
split them since the timeout is relatively small on such runner.

.gitlab-ci.yml

@@ -683,17 +683,24 @@ gimp-win-eol:
 - printf "\e[0Ksection_end:`date +%s`:macos_environ\r\e[0K\n"
 
 deps-macos-inhouse-part1:
+  #This splitted job is needed to rebuild 'vala' in time when it is bumped
   extends: .macos-inhouse
   stage: dependencies
+  cache:
+    - key: $CI_PROJECT_NAMESPACE
+      paths:
+        - macports-cached
+      policy: pull
   script:
     # Do not call sh since it is old bash on macOS, not the default zsh
     - zsh build/macos/1_build-deps-macports.sh --part1
   artifacts:
     paths:
-      - macports.tar.gz
+      - macports
     expire_in: 2 hours
 
 deps-macos-inhouse-part2:
+  #This splitted job is needed to rebuild 'rust' in time when it is bumped
   extends: .macos-inhouse
   needs: ["deps-macos-inhouse-part1"]
   stage: dependencies
@@ -702,7 +709,7 @@ deps-macos-inhouse-part2:
     - zsh build/macos/1_build-deps-macports.sh --part2
   artifacts:
     paths:
-      - macports.tar.gz
+      - macports
     expire_in: 2 hours
 
 deps-macos-inhouse:
@@ -712,12 +719,17 @@ deps-macos-inhouse:
       #to allow running the Homebrew builds which use precompiled binaries
       optional: true
   stage: dependencies
+  cache:
+    - key: $CI_PROJECT_NAMESPACE
+      paths:
+        - macports-cached
+      policy: push
   script:
     # Do not call sh since it is old bash on macOS, not the default zsh
     - zsh build/macos/1_build-deps-macports.sh
   artifacts:
     paths:
-      - macports.tar.gz
+      - macports
       - _install-*
       # The full build dir is needed due to its .o for .dSYM creation on next job
       - babl/_build-*

build/macos/1_build-deps-macports.sh

@@ -38,21 +38,28 @@ fi #End of config
 printf "\e[0Ksection_start:`date +%s`:deps_install[collapsed=true]\r\e[0KInstalling dependencies provided by $( [ -f "$OPT_PREFIX/bin/port" ] && echo MacPorts || echo Homebrew )\n"
 if [ -f "$OPT_PREFIX/bin/port" ]; then
   eval $( [ "$OPT_PREFIX" = /opt/local ] && echo sudo ) port sync && eval $( [ "$OPT_PREFIX" = /opt/local ] && echo sudo ) port upgrade outdated
-  if [ -f 'macports.tar.gz' ]; then
-    bsdtar xf macports.tar.gz -C / || true
+  if [ "$CI_JOB_NAME" ] && ls -d macports* 2>/dev/null | grep -q .; then
+    if echo "$CI_JOB_NAME" | grep -q 'part1' && [ -d 'macports-cached' ]; then
+      cp -fa macports-cached/* $OPT_PREFIX/var/macports || true
+    elif [ -d 'macports' ]; then
+      cp -fa macports/* $OPT_PREFIX/var/macports || true
+    fi
+    eval $( [ "$OPT_PREFIX" = /opt/local ] && echo sudo ) port deactivate -fN installed
   fi
-  if [ "$1" = '--part1' ]; then
+  if echo "$CI_JOB_NAME" | grep -q 'part1'; then
     eval $( [ "$OPT_PREFIX" = /opt/local ] && echo sudo ) port install -N $(grep -v '^#' build/macos/all-deps-uni.txt | sed 's/|homebrew:[^ ]*//g' | tr -d '\' | awk '{print} /vala/{exit}' | xargs)
-  elif [ "$1" = '--part2' ]; then
+  elif echo "$CI_JOB_NAME" | grep -q 'part2'; then
     eval $( [ "$OPT_PREFIX" = /opt/local ] && echo sudo ) port install -N $(grep -v '^#' build/macos/all-deps-uni.txt | sed 's/|homebrew:[^ ]*//g' | tr -d '\' | awk '{print} /appstream/{exit}' | xargs)
   else
     eval $( [ "$OPT_PREFIX" = /opt/local ] && echo sudo ) port install -N $(grep -v '^#' build/macos/all-deps-uni.txt | sed 's/|homebrew:[^ ]*//g' | tr -d '\' | xargs)
   fi
   if echo "$CI_JOB_NAME" | grep -q 'deps'; then
-    bsdtar -cf macports.tar.gz --gzip "$OPT_PREFIX" || true
-  fi
-  if echo "$1" | grep -q 'part'; then
-    exit 0
+    cp -fa $OPT_PREFIX/var/macports . || true
+    if echo "$CI_JOB_NAME" | grep -q 'part'; then
+      exit 0
+    elif [ "$CI_COMMIT_BRANCH" = "$CI_DEFAULT_BRANCH" ]; then
+      cp -fa macports macports-cached || true
+    fi
   fi
   git apply -v build/macos/patches/0001-meson-Patch-python-version.patch || true
 else