Build mailsync separately from Electron + Node deps so it can use separate a Visual Studio version

Author: bengotow

.appveyor.yml

@@ -25,21 +25,12 @@ install:
       mkdir app/build/resources/certs;
       tar xf app/build/resources/certs.tar --directory=app/build/resources/;
 
-  # Clone the submodule
-  - ps: |
-      $env:GIT_SSH_COMMAND="ssh -q -i app/build/resources/certs/mailsync-deploy-key -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no";
-      git submodule --quiet update --init mailsync *>$null
-
 build_script:
   - cmd: npm install
-  - cmd: npm install --global windows-build-tools
-  - cmd: cd .\mailsync && .\build.cmd && cd ..\
   - cmd: npm run build
   - cmd: node app/build/create-signed-windows-installer.js
 
 before_deploy:
-  - cmd: 7z -ttar a dummy %APPVEYOR_BUILD_FOLDER%\app\dist\*.dll %APPVEYOR_BUILD_FOLDER%\app\dist\*.pdb %APPVEYOR_BUILD_FOLDER%\app\dist\mailsync.exe -so | 7z -si -tgzip a .\app\dist\mailsync.tar.gz
-  - ps: Get-ChildItem .\app\dist\*.tar.gz | % { Push-AppveyorArtifact $_.FullName -FileName "win-ia32/$($_.Name)" -DeploymentName s3-deployment }
   - ps: Get-ChildItem .\app\dist\MailspringSetup.exe | % { Push-AppveyorArtifact $_.FullName -FileName "win-ia32/$($_.Name)" -DeploymentName s3-deployment }
   - ps: Get-ChildItem .\app\dist\*.nupkg | % { Push-AppveyorArtifact $_.FullName -FileName "win-ia32/$($_.Name)" -DeploymentName s3-deployment }
   - ps: Get-ChildItem .\app\dist\RELEASES | % { Push-AppveyorArtifact $_.FullName -FileName "win-ia32/$($_.Name)" -DeploymentName s3-deployment }
@@ -72,6 +63,6 @@ environment:
       secure: B2pwd1AlmQHjIpIau1NylfEMkwJJ5u7NhxgZcU8WicwP6+cmePnAacYIwpe1fXEf
 
 cache:
-  # - node_modules -> package.json
-  # - app\node_modules -> app\package.json
-  # - '%USERPROFILE%\.npm'
+  - node_modules -> package.json
+  - app\node_modules -> app\package.json
+  - '%USERPROFILE%\.npm'

.travis.yml

@@ -14,7 +14,6 @@ addons:
     target_paths: client/${TRAVIS_COMMIT:0:8}/${TRAVIS_OS_NAME}
     permissions: public-read
     paths:
-      - mailsync.tar.gz
       - Mailspring.dmg
       - Mailspring.zip
       - $(find . -type f -name mailspring-*.deb | tr "\n" ":")
@@ -31,32 +30,11 @@ addons:
     sources:
       - ubuntu-toolchain-r-test
     packages:
-      - autoconf
-      - automake
+      - python3.6
       - build-essential
-      - clang
-      - cmake
-      - execstack
-      - fakeroot
-      - g++-5
       - git
-      - libc-ares-dev
-      - libctemplate-dev
-      - libcurl4-openssl-dev
-      - libglib2.0-dev
       - libgnome-keyring-dev
-      - libicu-dev
-      - libsasl2-dev
-      - libsasl2-modules
-      - libsasl2-modules-gssapi-mit
       - libsecret-1-dev
-      - libssl-dev
-      - libtidy-dev
-      - libtool
-      - libxext-dev
-      - libxkbfile-dev
-      - libxml2-dev
-      - libxtst-dev
       - rpm
       - uuid-dev
       - xvfb
@@ -86,8 +64,6 @@ before_install:
     [ "$TRAVIS_REPO_SLUG" != "Foundry376/Mailspring" ]
   - source app/build/resources/certs/mac/set_unix_env.sh ||
     [ "$TRAVIS_REPO_SLUG" != "Foundry376/Mailspring" ]
-  # Checkout the C++ Mailsync codebase
-  - git submodule update --init mailsync
 
 # Resolves https://travis-ci.community/t/npm-ci-will-fail-if-cached-dependency-includes-npm/4203/6
 # Don't run the copy of npm inside node_modules when erasing + building the node_modules...
@@ -99,15 +75,12 @@ before_script:
 script:
   - npm run ci-setup-mac-keychain
   - npm run lint
-  - mailsync/build.sh
-  - mv ./mailsync ./mailsync-src
   - DEBUG=electron-packager,electron-osx-sign npm run build
 
 cache:
   directories:
     - node_modules
     - app/node_modules
-    - /tmp/mailsync-build-deps-v2
 
 after_success:
   # Prepare the snapcraft environment