Try windows

.travis.yml

@@ -47,20 +47,28 @@ matrix:
     - compiler: "ghc-8.4.4"
       addons: {apt: {packages: [ghc-ppa-tools,cabal-install-2.4,ghc-8.4.4], sources: [hvr-ghc]}}
       os: osx
+    - compiler: "ghc-8.4.4"
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-2.4,ghc-8.4.4], sources: [hvr-ghc]}}
+      os: windows
 
   allow_failures:
     - compiler: "ghc-head"
 
 before_install:
   - HC=/opt/ghc/bin/${CC}
+  - HCVER=$(echo "$TRAVIS_COMPILER" | sed 's/ghc-//')
+  - echo $HCVER
   - HCPKG=${HC/ghc/ghc-pkg}
   - unset CC
   - CABAL=/opt/ghc/bin/cabal
   - CABALHOME=$HOME/.cabal
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then CABALHOME=$APPDATA/cabal; fi
   - export PATH="$CABALHOME/bin:$PATH"
   - ROOTDIR=$(pwd)
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew update; brew upgrade python@3; curl https://haskell.futurice.com/haskell-on-macos.py | python3 - --make-dirs --install-dir=$HOME/.ghc-install --cabal-alias=head install cabal-install-head ${TRAVIS_COMPILER}; fi
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then HC=$HOME/.ghc-install/ghc/bin/$TRAVIS_COMPILER; HCPKG=${HC/ghc/ghc-pkg}; CABAL=$HOME/.ghc-install/ghc/bin/cabal; fi
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then choco install -y cabal --version 2.4.1.0; choco install -y ghc --version ${HCVER} ; fi
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then HC=/c/ProgramData/chocolatey/lib/ghc/tools/$TRAVIS_COMPILER/bin/ghc.exe; CABAL=/c/ProgramData/chocolatey/lib/cabal/tools/cabal-2.4.1.0/cabal.exe; fi
   - HCNUMVER=$(( $(${HC} --numeric-version|sed -E 's/([0-9]+)\.([0-9]+)\.([0-9]+).*/\1 * 10000 + \2 * 100 + \3/') ))
   - echo $HCNUMVER
 
@@ -70,6 +78,7 @@ install:
   - TEST=--enable-tests
   - BENCH=--enable-benchmarks
   - GHCHEAD=${GHCHEAD-false}
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then export CABALHOME=$APPDATA/cabal; else export CABALHOME=$HOME/.cabal; fi
   - travis_retry ${CABAL} update -v
   - sed -i.bak 's/^jobs:/-- jobs:/' $CABALHOME/config
   - rm -fv cabal.project cabal.project.local
@@ -94,8 +103,6 @@ install:
       ${CABAL} new-update head.hackage -v
     fi
   - grep -Ev -- '^\s*--' $CABALHOME/config | grep -Ev '^\s*$'
-  - ${CABAL} new-install -w ${HC} -j2 doctest --constraint='doctest ==0.16.*'
-  - if [ $HCNUMVER -eq 80603 ] ; then ${CABAL} new-install -w ${HC} -j2 hlint --constraint='hlint ==2.1.*' ; fi
   - rm -f cabal.project
   - touch cabal.project
   - "printf 'packages: \".\"\\n' >> cabal.project"
@@ -147,13 +154,6 @@ script:
   - ${CABAL} new-build -w ${HC} ${TEST} ${BENCH} all
   - if [ "x$TEST" = "x--enable-tests" ]; then ${CABAL} new-test -w ${HC} ${TEST} ${BENCH} all; fi
 
-  # doctest
-  - (cd haskell-ci-* && doctest --fast -XDeriveFoldable -XDeriveFunctor -XDeriveGeneric -XDeriveTraversable src)
-
-  # hlint
-  - if [ $HCNUMVER -eq 80603 ] ; then (cd haskell-ci-* && hlint -h ${ROOTDIR}/.hlint.yaml -XDeriveFoldable -XDeriveFunctor -XDeriveGeneric -XDeriveTraversable src) ; fi
-  - if [ $HCNUMVER -eq 80603 ] ; then (cd haskell-ci-* && hlint -h ${ROOTDIR}/.hlint.yaml cli) ; fi
-
   # cabal check
   - (cd haskell-ci-* && ${CABAL} check)
 

cabal.haskell-ci

@@ -41,18 +41,21 @@ branches: master
 folds: constraint-sets
 
 -- Run HLint (needs GHC-8.2.2 job)
-hlint: True
+hlint: False
 hlint-yaml: .hlint.yaml
 -- hlint-version: ==2.0.*
 
 -- Run doctest (on GHC-8.0+ which support .ghc.environment)
-doctest: True
+doctest: False
 doctest-options: --fast
 -- doctest-version: ==0.13.*
 
 -- macOS job
 osx: 8.4.4
 
+-- windows job
+windows: 8.4.4
+
 -- Constraint sets
 -- Package will be build with different constraints.
 -- This is useful to check compatibility with older versions of dependencies.

fixtures/cabal.project.copy-fields.all.travis.yml

@@ -67,6 +67,8 @@ matrix:
 
 before_install:
   - HC=/opt/ghc/bin/${CC}
+  - HCVER=$(echo "$TRAVIS_COMPILER" | sed 's/ghc-//')
+  - echo $HCVER
   - HCPKG=${HC/ghc/ghc-pkg}
   - unset CC
   - CABAL=/opt/ghc/bin/cabal
@@ -82,6 +84,7 @@ install:
   - TEST=--enable-tests
   - BENCH=--enable-benchmarks
   - GHCHEAD=${GHCHEAD-false}
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then export CABALHOME=$APPDATA/cabal; else export CABALHOME=$HOME/.cabal; fi
   - travis_retry ${CABAL} update -v
   - sed -i.bak 's/^jobs:/-- jobs:/' $CABALHOME/config
   - rm -fv cabal.project cabal.project.local

fixtures/cabal.project.copy-fields.none.travis.yml

@@ -67,6 +67,8 @@ matrix:
 
 before_install:
   - HC=/opt/ghc/bin/${CC}
+  - HCVER=$(echo "$TRAVIS_COMPILER" | sed 's/ghc-//')
+  - echo $HCVER
   - HCPKG=${HC/ghc/ghc-pkg}
   - unset CC
   - CABAL=/opt/ghc/bin/cabal
@@ -82,6 +84,7 @@ install:
   - TEST=--enable-tests
   - BENCH=--enable-benchmarks
   - GHCHEAD=${GHCHEAD-false}
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then export CABALHOME=$APPDATA/cabal; else export CABALHOME=$HOME/.cabal; fi
   - travis_retry ${CABAL} update -v
   - sed -i.bak 's/^jobs:/-- jobs:/' $CABALHOME/config
   - rm -fv cabal.project cabal.project.local

fixtures/cabal.project.copy-fields.some.travis.yml

@@ -67,6 +67,8 @@ matrix:
 
 before_install:
   - HC=/opt/ghc/bin/${CC}
+  - HCVER=$(echo "$TRAVIS_COMPILER" | sed 's/ghc-//')
+  - echo $HCVER
   - HCPKG=${HC/ghc/ghc-pkg}
   - unset CC
   - CABAL=/opt/ghc/bin/cabal
@@ -82,6 +84,7 @@ install:
   - TEST=--enable-tests
   - BENCH=--enable-benchmarks
   - GHCHEAD=${GHCHEAD-false}
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then export CABALHOME=$APPDATA/cabal; else export CABALHOME=$HOME/.cabal; fi
   - travis_retry ${CABAL} update -v
   - sed -i.bak 's/^jobs:/-- jobs:/' $CABALHOME/config
   - rm -fv cabal.project cabal.project.local

fixtures/cabal.project.empty-line.travis.yml

@@ -73,6 +73,8 @@ matrix:
 
 before_install:
   - HC=/opt/ghc/bin/${CC}
+  - HCVER=$(echo "$TRAVIS_COMPILER" | sed 's/ghc-//')
+  - echo $HCVER
   - HCPKG=${HC/ghc/ghc-pkg}
   - unset CC
   - CABAL=/opt/ghc/bin/cabal
@@ -88,6 +90,7 @@ install:
   - TEST=--enable-tests
   - BENCH=--enable-benchmarks
   - GHCHEAD=${GHCHEAD-false}
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then export CABALHOME=$APPDATA/cabal; else export CABALHOME=$HOME/.cabal; fi
   - travis_retry ${CABAL} update -v
   - sed -i.bak 's/^jobs:/-- jobs:/' $CABALHOME/config
   - rm -fv cabal.project cabal.project.local

fixtures/cabal.project.messy.travis.yml

@@ -73,6 +73,8 @@ matrix:
 
 before_install:
   - HC=/opt/ghc/bin/${CC}
+  - HCVER=$(echo "$TRAVIS_COMPILER" | sed 's/ghc-//')
+  - echo $HCVER
   - HCPKG=${HC/ghc/ghc-pkg}
   - unset CC
   - CABAL=/opt/ghc/bin/cabal
@@ -88,6 +90,7 @@ install:
   - TEST=--enable-tests
   - BENCH=--enable-benchmarks
   - GHCHEAD=${GHCHEAD-false}
+  - if [ "$TRAVIS_OS_NAME" = "windows" ]; then export CABALHOME=$APPDATA/cabal; else export CABALHOME=$HOME/.cabal; fi
   - travis_retry ${CABAL} update -v
   - sed -i.bak 's/^jobs:/-- jobs:/' $CABALHOME/config
   - rm -fv cabal.project cabal.project.local

fixtures/haskell-ci.cabal.stderr

@@ -1,2 +1,3 @@
 *INFO* Generating Travis-CI config for testing for GHC versions: head 8.0.2 8.2.2 8.4.4 8.6.3
 *INFO* Also OSX jobs for: 8.4.4
+*INFO* Also Windows jobs for: 8.4.4

haskell-ci.cabal

@@ -157,7 +157,7 @@ test-suite golden
   main-is:          Tests.hs
   hs-source-dirs:   test
   build-depends:
-    , ansi-terminal  ^>=0.8.0.2
+    , ansi-terminal  ^>=0.9
     , base
     , bytestring
     , Diff           ^>=0.3.4

src/HaskellCI.hs

@@ -314,6 +314,9 @@ configFromCabalFile cfg opts cabalFile = do
 
     filterLastMajor = map maximum . groupBy ((==) `on` ghcMajVer)
 
+data OS = Linux | MacOS | Windows
+  deriving (Eq, Show)
+
 genTravisFromConfigs
     :: Monad m
     => [String]
@@ -329,11 +332,28 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
     putStrLnInfo $
         "Generating Travis-CI config for testing for GHC versions: " ++ ghcVersions
 
-    unless (null $ cfgOsx config) $  do
+    unless (null $ cfgOsx config) $ do
+        let ghcOsxVersions :: String
+            ghcOsxVersions = showVersions $ S.map Just osxVersions
+
+        let ghcOmittedOsxVersions :: String
+            ghcOmittedOsxVersions = showVersions $ S.map Just omittedOsxVersions
+
         putStrLnInfo $ "Also OSX jobs for: " ++ ghcOsxVersions
         unless (S.null omittedOsxVersions) $
             putStrLnWarn $ "Not all GHC versions specified with --osx are generated: " ++ ghcOmittedOsxVersions
 
+    unless (null $ cfgWindows config) $  do
+        let ghcWindowsVersions :: String
+            ghcWindowsVersions = showVersions $ S.map Just windowsVersions
+
+        let ghcOmittedWindowsVersions :: String
+            ghcOmittedWindowsVersions = showVersions $ S.map Just omittedWindowsVersions
+
+        putStrLnInfo $ "Also Windows jobs for: " ++ ghcWindowsVersions
+        unless (S.null omittedWindowsVersions) $
+            putStrLnWarn $ "Not all GHC versions specified with --windows are generated: " ++ ghcOmittedWindowsVersions
+
     ---------------------------------------------------------------------------
     -- travis.yml generation starts here
 
@@ -421,8 +441,8 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
 
     let colls = [ (collToGhcVer cid,cid) | cid <- reverse $ optCollections opts ]
 
-    let tellJob :: Monad m => Bool -> Maybe Version -> YamlWriter m ()
-        tellJob osx gv = do
+    let tellJob :: Monad m => OS -> Maybe Version -> YamlWriter m ()
+        tellJob os gv = do
             let cvs = dispGhcVersion $ gv >> cfgCabalInstallVersion config
                 gvs = dispGhcVersion gv
 
@@ -440,14 +460,18 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
                 , Just $ "      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-" <> cvs <> ",ghc-" <> gvs <> xpkgs' <> "], sources: [hvr-ghc]}}"
                 ]
 
-            when osx $ tellStrLnsRaw
+            when (os == MacOS) $ tellStrLns
                 [ "      os: osx"
                 ]
+            when (os == Windows) $ tellStrLns
+                [ "      os: windows"
+                ]
 
     -- newer GHC first, -head last (which is great).
     -- Alpha release would go first though.
-    F.forM_ (reverse $ S.toList versions) $ tellJob False
-    F.forM_ (reverse $ S.toList osxVersions) $ tellJob True . Just
+    F.forM_ (reverse $ S.toList versions) $ tellJob Linux
+    F.forM_ (reverse $ S.toList osxVersions) $ tellJob MacOS . Just
+    F.forM_ (reverse $ S.toList windowsVersions) $ tellJob Windows . Just
 
     let allowFailures = headGhcVers `S.union` S.map Just (S.filter (`C.withinRange` cfgAllowFailures config) versions')
     unless (S.null allowFailures) $ do
@@ -462,11 +486,16 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
         [ ""
         , "before_install:"
         , sh "HC=/opt/ghc/bin/${CC}"
+        , sh "HCVER=$(echo \"$TRAVIS_COMPILER\" | sed 's/ghc-//')"
+        , sh "echo $HCVER"
         , sh' [2034,2039] "HCPKG=${HC/ghc/ghc-pkg}" -- SC2039. In POSIX sh, string replacement is undefined.
         , sh "unset CC"
         -- cabal
         , sh "CABAL=/opt/ghc/bin/cabal"
         , sh "CABALHOME=$HOME/.cabal"
+        , if null windowsVersions
+          then RowSkip
+          else sh "if [ \"$TRAVIS_OS_NAME\" = \"windows\" ]; then CABALHOME=$APPDATA/cabal; fi"
         -- PATH
         , sh "export PATH=\"$CABALHOME/bin:$PATH\""
         -- rootdir is useful for manual script additions
@@ -475,11 +504,17 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
 
     -- macOS installing
     let haskellOnMacos = "https://haskell.futurice.com/haskell-on-macos.py"
-    unless (null (cfgOsx config)) $ tellStrLns
+    unless (null osxVersions) $ tellStrLns
         [ sh $ "if [ \"$TRAVIS_OS_NAME\" = \"osx\" ]; then brew update; brew upgrade python@3; curl " ++ haskellOnMacos ++ " | python3 - --make-dirs --install-dir=$HOME/.ghc-install --cabal-alias=head install cabal-install-head ${TRAVIS_COMPILER}; fi"
         , sh' [2034,2039] "if [ \"$TRAVIS_OS_NAME\" = \"osx\" ]; then HC=$HOME/.ghc-install/ghc/bin/$TRAVIS_COMPILER; HCPKG=${HC/ghc/ghc-pkg}; CABAL=$HOME/.ghc-install/ghc/bin/cabal; fi"
         ]
 
+    -- Windows installing
+    unless (null windowsVersions) $ tellStrLns
+        [ sh $ "if [ \"$TRAVIS_OS_NAME\" = \"windows\" ]; then choco install -y cabal --version 2.4.1.0; choco install -y ghc --version ${HCVER} ; fi"
+        , sh $ "if [ \"$TRAVIS_OS_NAME\" = \"windows\" ]; then HC=/c/ProgramData/chocolatey/lib/ghc/tools/$TRAVIS_COMPILER/bin/ghc.exe; CABAL=/c/ProgramData/chocolatey/lib/cabal/tools/cabal-2.4.1.0/cabal.exe; fi"
+        ]
+
     -- HCNUMVER, numeric HC version, e.g. ghc 7.8.4 is 70804 and 7.10.3 is 71003
     tellStrLns
         [ sh $ "HCNUMVER=$(( $(${HC} --numeric-version|sed -E 's/([0-9]+)\\.([0-9]+)\\.([0-9]+).*/\\1 * 10000 + \\2 * 100 + \\3/') ))"
@@ -556,7 +591,8 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
             | isAnyVersion (cfgDoctestVersion doctestConfig) = ""
             | otherwise = " --constraint='doctest " ++ display (cfgDoctestVersion doctestConfig) ++ "'"
     when (cfgDoctestEnabled doctestConfig) $ tellStrLns
-        [ shForJob versions' doctestJobVersionRange $ "${CABAL} new-install -w ${HC} -j2 doctest" ++ doctestVersionConstraint
+        [ shForJob versions' doctestJobVersionRange $
+          "(cd / && ${CABAL} new-install -w ${HC} -j2 doctest" ++ doctestVersionConstraint ++ ")"
         ]
 
     -- Install hlint
@@ -565,7 +601,7 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
             | otherwise = " --constraint='hlint " ++ display (cfgHLintVersion hlintConfig) ++ "'"
     when (cfgHLintEnabled hlintConfig) $ tellStrLns
         [ shForJob versions' (hlintJobVersionRange versions (cfgHLintJob hlintConfig)) $
-          "${CABAL} new-install -w ${HC} -j2 hlint" ++ hlintVersionConstraint
+          "(cd / && ${CABAL} new-install -w ${HC} -j2 hlint" ++ hlintVersionConstraint ++ ")"
         ]
 
     -- create cabal.project file
@@ -908,10 +944,13 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
     showVersions :: Set (Maybe Version) -> String
     showVersions = unwords . map dispGhcVersion . S.toList
 
-    -- specified ersions
+    -- specified versions
     osxVersions' :: Set Version
     osxVersions' = cfgOsx config
 
+    windowsVersions' :: Set Version
+    windowsVersions' = cfgWindows config
+
     versions :: Set (Maybe Version)
     versions
         | cfgGhcHead config = S.insert Nothing $ S.map Just versions'
@@ -923,12 +962,8 @@ genTravisFromConfigs argv opts isCabalProject config prj@Project { prjPackages =
     osxVersions, omittedOsxVersions :: Set Version
     (osxVersions, omittedOsxVersions) = S.partition (`S.member` versions') osxVersions'
 
-    ghcOsxVersions :: String
-    ghcOsxVersions = showVersions $ S.map Just osxVersions
-
-    ghcOmittedOsxVersions :: String
-    ghcOmittedOsxVersions = showVersions $ S.map Just omittedOsxVersions
-
+    windowsVersions, omittedWindowsVersions :: Set Version
+    (windowsVersions, omittedWindowsVersions) = S.partition (`S.member` versions') windowsVersions'
 
 collToGhcVer :: String -> Version
 collToGhcVer cid = case simpleParse cid of

src/HaskellCI/Config.hs

@@ -70,6 +70,7 @@ data Config = Config
     , cfgAllowFailures       :: !VersionRange
     , cfgLastInSeries        :: !Bool
     , cfgOsx                 :: S.Set Version
+    , cfgWindows             :: S.Set Version
     , cfgApt                 :: S.Set String
     , cfgDoctest             :: !DoctestConfig
     , cfgHLint               :: !HLintConfig
@@ -121,6 +122,7 @@ emptyConfig = Config
     , cfgAllowFailures   = noVersion
     , cfgLastInSeries    = False
     , cfgOsx             = S.empty
+    , cfgWindows         = S.empty
     , cfgApt             = S.empty
     , cfgRawProject      = []
     }
@@ -183,6 +185,8 @@ configGrammar = Config
         ^^^ help "[Discouraged] Assume there are only GHCs last in major series: 8.2.* will match only 8.2.2"
     <*> C.monoidalFieldAla    "osx"                       (alaSet C.NoCommaFSep)              #cfgOsx
         ^^^ metahelp "JOB" "Jobs to additionally build with OSX"
+    <*> C.monoidalFieldAla    "windows"                   (alaSet C.NoCommaFSep)              #cfgWindows
+        ^^^ metahelp "JOB" "Jobs to additionally build with Windows"
     <*> C.monoidalFieldAla    "apt"                       (alaSet' C.NoCommaFSep C.Token')    #cfgApt
         ^^^ metahelp "PKG" "Additional apt packages to install"
     <*> C.blurFieldGrammar #cfgDoctest doctestConfigGrammar