[GitHub Actions] Move env from step to job

https://github.blog/changelog/2019-10-01-github-actions-new-workflow-syntax-features/#env-at-the-workflow-and-job-level

.github/workflows/pod_lib_lint.yml

@@ -23,8 +23,8 @@ jobs:
   pod_lib_lint:
     name: pod lib lint
     runs-on: macOS-10.14
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_10.3.app
     steps:
       - uses: actions/checkout@v1
       - run: pod lib lint
-        env:
-          DEVELOPER_DIR: /Applications/Xcode_10.3.app

.github/workflows/swiftpm.yml

@@ -19,14 +19,14 @@ jobs:
   Xcode:
     strategy:
       matrix:
-        xcode: ['10','10.1','10.2','10.2.1','10.3','11']
+        xcode_version: ['10','10.1','10.2','10.2.1','10.3','11']
     runs-on: macOS-10.14
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode_version }}.app
     steps:
       - uses: actions/checkout@v1
-      - env: { 'DEVELOPER_DIR': '/Applications/Xcode_${{ matrix.xcode }}.app' }
-        run: swift -version
-      - env: { 'DEVELOPER_DIR': '/Applications/Xcode_${{ matrix.xcode }}.app' }
-        run: swift test
+      - run: swift -version
+      - run: swift test
 
   Linux:
     strategy:

.github/workflows/xcodebuild.yml

@@ -21,37 +21,28 @@ jobs:
   xcodebuild:
     strategy:
       matrix:
-        developer_dir:
-          - '/Applications/Xcode_10.app'
-          - '/Applications/Xcode_10.1.app'
-          - '/Applications/Xcode_10.2.app'
-          - '/Applications/Xcode_10.2.1.app'
-          - '/Applications/Xcode_10.3.app'
-          - '/Applications/Xcode_11.app'
+        xcode_version: ['10','10.1','10.2','10.2.1','10.3','11']
         xcode_flags: ['-scheme Base32 -enableCodeCoverage YES -parallel-testing-enabled NO test']
         xcode_flags_for_build_only: ['-scheme Base32 build']
     runs-on: macOS-10.14
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode_version }}.app
     steps:
       - uses: actions/checkout@v1
       - run: xcodebuild -version
-        env: { 'DEVELOPER_DIR': '${{ matrix.developer_dir }}' }
       - name: macOS
-        env: { 'DEVELOPER_DIR': '${{ matrix.developer_dir }}' }
         run: xcodebuild ${{ matrix.xcode_flags }} | xcpretty
         shell: bash
       - name: iPhone Simulator
-        env: { 'DEVELOPER_DIR': '${{ matrix.developer_dir }}' }
         run: xcodebuild ${{ matrix.xcode_flags }} -sdk iphonesimulator -destination "name=iPhone 8" | xcpretty
         shell: bash
       - name: Apple TV Simulator
-        env: { 'DEVELOPER_DIR': '${{ matrix.developer_dir }}' }
         run: xcodebuild ${{ matrix.xcode_flags }} -sdk appletvsimulator -destination "name=Apple TV 4K" | xcpretty
         shell: bash
       - name: watchOS Simulator
-        env: { 'DEVELOPER_DIR': '${{ matrix.developer_dir }}' }
         run: xcodebuild ${{ matrix.xcode_flags_for_build_only }} -sdk watchsimulator | xcpretty
         shell: bash
       - name: Codecov
-        if: contains(matrix.developer_dir, '10.3')
+        if: matrix.xcode_version == '10.3'
         run: curl -s https://codecov.io/bash | bash -s -- -t ${{ secrets.CODECOV_TOKEN }}
         shell: bash