fix AppVeyor CI configuration

.appveyor.yml

@@ -1,58 +1,116 @@
+version: "{build} ~ {branch}"
+
+branches:
+  except:
+    - gh-pages
+
 os: Visual Studio 2015
 
+matrix:
+  allow_failures:
+  - CHANNEL: nightly
+
 environment:
+  global:
+    FEATURES: "generic"
   matrix:
-  - TARGET: x86_64-pc-windows-msvc
-    MSYS_BITS: 64
+  - CHANNEL: 1.27.0
+    ARCH: i686
     TOOLCHAIN: msvc
-    PLATFORM: x86_64
-  - TARGET: i686-pc-windows-msvc
-    MSYS_BITS: 32
+  - CHANNEL: stable
+    ARCH: i686
     TOOLCHAIN: msvc
-    PLATFORM: i686
-  - TARGET: i686-pc-windows-gnu
+  - CHANNEL: stable
+    ARCH: x86_64
+    TOOLCHAIN: msvc
+#   - CHANNEL: beta
+#     ARCH: i686
+#     TOOLCHAIN: msvc
+#   - CHANNEL: beta
+#     ARCH: x86_64
+#     TOOLCHAIN: msvc
+  - CHANNEL: nightly
+    ARCH: i686
+    TOOLCHAIN: msvc
+  - CHANNEL: nightly
+    ARCH: x86_64
+    TOOLCHAIN: msvc
+  - CHANNEL: stable
+    ARCH: i686
+    TOOLCHAIN: gnu
+  - CHANNEL: stable
+    ARCH: x86_64
+    TOOLCHAIN: gnu
+#   - CHANNEL: beta
+#     ARCH: i686
+#     TOOLCHAIN: gnu
+#   - CHANNEL: beta
+#     ARCH: x86_64
+#     TOOLCHAIN: gnu
+  - CHANNEL: nightly
+    ARCH: i686
+    TOOLCHAIN: gnu
+  - CHANNEL: nightly
+    ARCH: x86_64
+    TOOLCHAIN: gnu
+  - CHANNEL: stable
+    ARCH: i686
+    TOOLCHAIN: gnu
     MINGW_URL: https://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/4.9.2/threads-win32/dwarf/i686-4.9.2-release-win32-dwarf-rt_v4-rev4.7z/download
     MINGW_ARCHIVE: i686-4.9.2-release-win32-dwarf-rt_v4-rev4.7z
     MINGW_DIR: mingw32
     DIR_TEMP_MINGW: C:\cached\mingw
-  - TARGET: x86_64-pc-windows-gnu
-    MSYS_BITS: 64
 
 install:
-  - SET PATH=%PATH%;C:\Program Files (x86)\Rust\bin;C:\MinGW\bin
+  # force branch checkout (if knowable), then reset to the specific commit ## (can be needed for accurate code coverage info)
+  # * this allows later apps to see the branch name using standard `git branch` operations, yet always builds the correct specific commit
+  # * ref: <https://github.com/appveyor/ci/issues/1606>[`@`](https://archive.is/RVpnF)
+  - if DEFINED APPVEYOR_REPO_BRANCH if /I "%APPVEYOR_REPO_SCM%"=="git" ( git checkout "%APPVEYOR_REPO_BRANCH%" & git reset --hard "%APPVEYOR_REPO_COMMIT%" )
+  # ensure CWD is project main directory
+  - cd "%APPVEYOR_BUILD_FOLDER%"
+  # create a working area
+  - ps: if ( ! $env:CI_TEMP_DIR ) { $env:CI_TEMP_DIR = "${env:TEMP}\${env:APPVEYOR_JOB_ID}" ; mkdir -force $env:CI_TEMP_DIR | out-null }
+  - set "TARGET=%ARCH%-pc-windows-%TOOLCHAIN%"
+  # install `rust` via `rustup`
+  - call appveyor DownloadFile "https://win.rustup.rs/" -FileName "%CI_TEMP_DIR%\rustup-init.exe"
+  - call "%CI_TEMP_DIR%\\rustup-init.exe" -y --default-toolchain %CHANNEL% --default-host %TARGET% --no-modify-path
+  - set "PATH=%PATH%;%USERPROFILE%\.cargo\bin"
+  - rustc -vV
+  - cargo -vV
 
-  # Use the system msys if we can
+  # finalize FEATURES
+  - if /I "%CHANNEL%"=="nightly" set "FEATURES=nightly %FEATURES%"
+
+  # "gnu" toolchain setup
+  - if /I "%TOOLCHAIN%"=="gnu" set "PATH=%PATH%;C:\MinGW\bin"
+  # * use the system MSYS if we can
+  - if /I "%TOOLCHAIN%"=="gnu" if /I "%ARCH%"=="i686"   set "MSYS_BITS=32"
+  - if /I "%TOOLCHAIN%"=="gnu" if /I "%ARCH%"=="x86_64" set "MSYS_BITS=64"
   - if defined MSYS_BITS set PATH=C:\msys64\mingw%MSYS_BITS%\bin;C:\msys64\usr\bin;%PATH%
-
-  - ps: >-
-      Start-FileDownload "https://static.rust-lang.org/dist/rust-nightly-${env:TARGET}.exe";
+  # * specific MinGW, if specified
+  - ps: |
       if ((Test-Path Env:\MINGW_ARCHIVE) -and -not (Test-Path "${env:DIR_TEMP_MINGW}\${env:MINGW_ARCHIVE}")) {
         if (Test-Path "${env:DIR_TEMP_MINGW}") {
           rm -Recurse ${env:DIR_TEMP_MINGW}\*;
         }
         New-Item -ItemType Directory -Force -Path ${env:DIR_TEMP_MINGW} | Out-Null;
         $download_loc = ${env:MINGW_URL};
-        Start-FileDownload $download_loc -FileName "${env:DIR_TEMP_MINGW}\${env:MINGW_ARCHIVE}";
+        appveyor DownloadFile $download_loc -FileName "${env:DIR_TEMP_MINGW}\${env:MINGW_ARCHIVE}";
       }
   - if defined MINGW_ARCHIVE 7z x -y "%DIR_TEMP_MINGW%\%MINGW_ARCHIVE%" > nul
   - if defined MINGW_ARCHIVE set PATH=%CD%\%MINGW_DIR%\bin;C:\msys64\usr\bin;%PATH%
 
-  - rust-nightly-%TARGET%.exe /VERYSILENT /NORESTART /DIR="C:\Program Files (x86)\Rust"
-
-  - rustc -V
-  - cargo -V
-  - if "%TOOLCHAIN%" == "msvc" if "%PLATFORM%" == "i686" call "%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat"
-  - if "%TOOLCHAIN%" == "msvc" if "%PLATFORM%" == "x86_64" "C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64
-  - if "%TOOLCHAIN%" == "msvc" if "%PLATFORM%" == "x86_64" call "%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat" x86_amd64
+  # "msvc" toolchain setup
+  - if "%TOOLCHAIN%" == "msvc" if "%ARCH%" == "i686" call "%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat"
+  - if "%TOOLCHAIN%" == "msvc" if "%ARCH%" == "x86_64" "C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64
+  - if "%TOOLCHAIN%" == "msvc" if "%ARCH%" == "x86_64" call "%VS140COMNTOOLS%\..\..\VC\vcvarsall.bat" x86_amd64
 
 artifacts:
   - path: target\debug\uutils.exe
     name: uutils.exe
 
-build: false
+build_script:
+  - cargo build --features "%FEATURES%" --no-default-features
 
 test_script:
-  - cargo test --no-fail-fast --features "nightly generic" --no-default-features
-
-cache:
-  - c:\cached
+  - cargo test --no-fail-fast --features "%FEATURES%" --no-default-features