.github/workflows: run tests on CI for native builds.

Also:
- fix "list contents" step by adding a fetch-xtools step.
- remove git from masterdir to not interfere with builds (thanks @sgn)

.github/workflows/build.yaml

@@ -34,19 +34,20 @@ jobs:
         PATH: '/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/sbin:/usr/local/bin:/tmp/bin'
         ARCH: '${{ matrix.config.arch }}'
         BOOTSTRAP: '${{ matrix.config.bootstrap }}'
+        TEST: '${{ matrix.config.test }}'
         HOSTREPO: /hostrepo
 
     strategy:
       fail-fast: false
       matrix:
         config:
-          - { arch: x86_64, bootstrap: x86_64 }
-          - { arch: i686, bootstrap: i686 }
-          - { arch: aarch64, bootstrap: x86_64 }
-          - { arch: armv7l, bootstrap: x86_64 }
-          - { arch: x86_64-musl, bootstrap: x86_64-musl }
-          - { arch: armv6l-musl, bootstrap: x86_64-musl }
-          - { arch: aarch64-musl, bootstrap: x86_64-musl }
+          - { arch: x86_64, bootstrap: x86_64, test: 1 }
+          - { arch: i686, bootstrap: i686, test: 1 }
+          - { arch: aarch64, bootstrap: x86_64, test: 0 }
+          - { arch: armv7l, bootstrap: x86_64, test: 0 }
+          - { arch: x86_64-musl, bootstrap: x86_64-musl, test: 1 }
+          - { arch: armv6l-musl, bootstrap: x86_64-musl, test: 0 }
+          - { arch: aarch64-musl, bootstrap: x86_64-musl, test: 0 }
 
     steps:
       - name: Prepare container
@@ -56,7 +57,7 @@ jobs:
           # Upgrade again (in case there was a xbps update)
           xbps-install -yu
           # Install git
-          xbps-install -y git xtools
+          xbps-install -y git
 
       - uses: actions/checkout@v1
         with:
@@ -67,13 +68,16 @@ jobs:
       - run: common/travis/prepare.sh
       - run: common/travis/fetch_upstream.sh
       - run: common/travis/changed_templates.sh
+      - run: common/travis/fetch-xtools.sh
+      - name: Remove git after checkout to not interfere with build
+        run: xbps-remove -yR git
 
-      - name: Build packages
+      - name: Build and check packages
         run: |
           (
           here="$(pwd)"
           cd /
-          "$here/common/travis/build.sh" "$BOOTSTRAP" "$ARCH"
+          "$here/common/travis/build.sh" "$BOOTSTRAP" "$ARCH" "$TEST"
           )
 
       - name: Show files