Add appveyor.yml

See #49

appveyor.yml

@@ -0,0 +1,65 @@
+environment:
+  global:
+    # This will be used as part of the zipfile name
+    PROJECT_NAME: oxipng
+  matrix:
+    # Stable channel
+    - TARGET: i686-pc-windows-gnu
+      CHANNEL: stable
+    - TARGET: i686-pc-windows-msvc
+      CHANNEL: stable
+    - TARGET: x86_64-pc-windows-gnu
+      CHANNEL: stable
+    - TARGET: x86_64-pc-windows-msvc
+      CHANNEL: stable
+
+# Install Rust and Cargo
+# (Based on from https://github.com/rust-lang/libc/blob/master/appveyor.yml)
+install:
+  - curl -sSf -o rustup-init.exe https://win.rustup.rs
+  - rustup-init.exe --default-host %TARGET% --default-toolchain %CHANNEL% -y
+  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
+  - rustc -Vv
+  - cargo -V
+
+# 'cargo test' takes care of building for us, so disable Appveyor's build stage. This prevents
+# the "directory does not contain a project or solution file" error.
+# source: https://github.com/starkat99/appveyor-rust/blob/master/appveyor.yml#L113
+build: false
+
+# Equivalent to Travis' `script` phase
+test_script:
+  - cargo build
+  - cargo test
+
+before_deploy:
+  # Generate artifacts for release
+  - cargo build --release
+  - mkdir staging
+  - copy target\release\oxipng.exe staging
+  - cd staging
+    # release zipfile will look like 'rust-everywhere-v1.2.3-x86_64-pc-windows-msvc'
+  - 7z a ../%PROJECT_NAME%-%APPVEYOR_REPO_TAG_NAME%-%TARGET%.zip *
+  - appveyor PushArtifact ../%PROJECT_NAME%-%APPVEYOR_REPO_TAG_NAME%-%TARGET%.zip
+
+deploy:
+  description: 'Windows release'
+  # All the zipped artifacts will be deployed
+  artifact: /.*\.zip/
+  # - Go to 'https://github.com/settings/tokens/new' and generate a Token with only the
+  # `public_repo` scope enabled
+  # - Then go to 'https://ci.appveyor.com/tools/encrypt' and enter the newly generated token.
+  # - Enter the "encrypted value" below
+  auth_token:
+    secure: JT77kw2p+U5Z9yM/77QjEWRFgvyaGOO2SquE5OBgUNpqSt4VDg/Mdicy8pkSvSEu
+  provider: GitHub
+  # deploy when a new tag is pushed and only on the stable channel
+  on:
+    # channel to use to produce the release artifacts
+    # NOTE make sure you only release *once* per target
+    CHANNEL: stable
+    appveyor_repo_tag: true
+
+branches:
+  only:
+    - master