Automated release creation through GitHub workflow

Remove AppVeyor builds, since we're no longer using it for releases.

.github/workflows/ntfs-3g_linux.yml

@@ -1,10 +1,6 @@
 name: ntfs-3g - Linux (gcc, Clang) build 
 
-on:
-  push:
-    branches: [ uefi-driver ]
-  pull_request:
-    branches: [ uefi-driver ]
+on: push
 
 jobs:
   build:

.github/workflows/uefi-driver_coverity.yml

@@ -1,10 +1,6 @@
 name: UEFI driver - Coverity (MSVC with gnu-efi) build
 
-on:
-  push:
-    branches: [ uefi-driver ]
-  pull_request:
-    branches: [ uefi-driver ]
+on: push
 
 env:
   SOLUTION_FILE_PATH: ./uefi-driver.sln

.github/workflows/uefi-driver_linux.yml

@@ -1,13 +1,8 @@
 name: UEFI driver - Linux (gcc with EDK2) build
 
-on:
-  push:
-    branches: [ uefi-driver ]
-  pull_request:
-    branches: [ uefi-driver ]
+on: push
 
 env:
-  DRIVER_VERSION: Test
   BUILD_TYPE: RELEASE
   GCC5_ARM_PREFIX: arm-linux-gnueabi-
   GCC5_AARCH64_PREFIX: aarch64-linux-gnu-
@@ -37,13 +32,19 @@ jobs:
           TARGET_PKGS: gcc-riscv64-linux-gnu python3-distutils uuid-dev
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Setup Linux environment
+    - name: Check out repository
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Set version
+      id: set_version
+      run: echo "::set-output name=version::$(git describe --tags --abbrev=0)"
+    - name: Set up Linux environment
       run: sudo apt install -y ${{matrix.TARGET_PKGS}}
     - name: Fix missing Risc-V header
       if: matrix.TARGET_TYPE == 'riscv64'
       run: sudo ln -s /usr/riscv64-linux-gnu/include/gnu/stubs-lp64d.h /usr/riscv64-linux-gnu/include/gnu/stubs-lp64.h
-    - name: Setup EDK2
+    - name: Set up EDK2
       run: |
         git clone --recursive https://github.com/tianocore/edk2.git
         cd edk2
@@ -56,9 +57,9 @@ jobs:
         export WORKSPACE=$PWD
         export PACKAGES_PATH=$WORKSPACE:$WORKSPACE/edk2
         source edk2/edksetup.sh
-        build -a ${{matrix.TARGET_ARCH}} -b ${BUILD_TYPE} -t GCC5 -p uefi-driver.dsc -D FORCE_READONLY -D COMMIT_INFO=${GITHUB_SHA:0:8} -D DRIVER_VERSION=${DRIVER_VERSION}
+        build -a ${{matrix.TARGET_ARCH}} -b ${BUILD_TYPE} -t GCC5 -p uefi-driver.dsc -D FORCE_READONLY -D COMMIT_INFO=${GITHUB_SHA:0:8} -D DRIVER_VERSION=${{steps.set_version.outputs.version}}
         mv $WORKSPACE/Build/${BUILD_TYPE}_GCC5/${{matrix.TARGET_ARCH}}/ntfs.efi $WORKSPACE/ntfs_${{matrix.TARGET_TYPE}}_ro.efi
-        build -a ${{matrix.TARGET_ARCH}} -b ${BUILD_TYPE} -t GCC5 -p uefi-driver.dsc -D COMMIT_INFO=${GITHUB_SHA:0:8} -D DRIVER_VERSION=${DRIVER_VERSION}
+        build -a ${{matrix.TARGET_ARCH}} -b ${BUILD_TYPE} -t GCC5 -p uefi-driver.dsc -D COMMIT_INFO=${GITHUB_SHA:0:8} -D DRIVER_VERSION=${{steps.set_version.outputs.version}}
         mv $WORKSPACE/Build/${BUILD_TYPE}_GCC5/${{matrix.TARGET_ARCH}}/ntfs.efi $WORKSPACE/ntfs_${{matrix.TARGET_TYPE}}.efi
     - name: Display SHA-256
       run: sha256sum *.efi
@@ -67,3 +68,10 @@ jobs:
       with:
         name: uefi-drivers
         path: ./*.efi
+    - name: Create release
+      uses: softprops/action-gh-release@v1
+      if: startsWith(github.ref, 'refs/tags/')
+      env:
+        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      with:
+        files: ./*.efi

.github/workflows/uefi-driver_windows.yml

@@ -1,10 +1,6 @@
 name: UEFI driver - Windows (MSVC with gnu-efi) build
 
-on:
-  push:
-    branches: [ uefi-driver ]
-  pull_request:
-    branches: [ uefi-driver ]
+on: push
 
 env:
   SOLUTION_FILE_PATH: ./uefi-driver.sln