-
Notifications
You must be signed in to change notification settings - Fork 66
/
make_travis_yml.hs
197 lines (165 loc) · 7.77 KB
/
make_travis_yml.hs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
#!/usr/bin/env runghc
-- NB: This code deliberately avoids relying on non-standard packages
import Control.Monad
import Data.List
import Data.Version
import System.Environment
import System.Exit
import System.IO
import Distribution.PackageDescription.Parse (readPackageDescription)
import Distribution.PackageDescription (packageDescription, testedWith)
import Distribution.Compiler (CompilerFlavor(..))
import Distribution.Version
import Distribution.Text
putStrLnErr :: String -> IO ()
putStrLnErr m = hPutStrLn stderr ("*ERROR* " ++ m) >> exitFailure
putStrLnWarn :: String -> IO ()
putStrLnWarn m = hPutStrLn stderr ("*WARNING* " ++ m)
putStrLnInfo :: String -> IO ()
putStrLnInfo m = hPutStrLn stderr ("*INFO* " ++ m)
main :: IO ()
main = do
args <- getArgs
case args of
(cabfn:xpkgs) -> genTravisFromCabalFile cabfn xpkgs
_ -> putStrLnErr $ unlines [ "expected .cabal file as command-line argument"
, "Usage: make_travis_yml.hs <cabal-file> <extra-apt-packages...>"
, ""
, "Example: make_travis_yml.hs someProject.cabal alex-3.1.4 liblzma-dev > .travis.yml"
]
genTravisFromCabalFile :: FilePath -> [String] -> IO ()
genTravisFromCabalFile fn xpkgs = do
gpd <- readPackageDescription maxBound fn
let compilers = testedWith $ packageDescription gpd
let unknownComps = nub [ c | (c,_) <- compilers, c /= GHC ]
ghcVerConstrs = [ vc | (GHC,vc) <- compilers ]
ghcVerConstrs' = simplifyVersionRange $ foldr unionVersionRanges noVersion ghcVerConstrs
when (null compilers) $
putStrLnErr "empty or missing 'tested-with:' definition in .cabal file"
unless (null unknownComps) $
putStrLnWarn $ "ignoring unsupported compilers mentioned in tested-with: " ++ show unknownComps
when (null ghcVerConstrs) $
putStrLnErr "'tested-with:' doesn't mention any 'GHC' version"
when (isNoVersion ghcVerConstrs') $
putStrLnErr "'tested-with:' describes an empty version range for 'GHC'"
when (isAnyVersion ghcVerConstrs') $
putStrLnErr "'tested-with:' allows /any/ 'GHC' version"
let testedGhcVersions = filter (`withinRange` ghcVerConstrs') knownGhcVersions
when (null testedGhcVersions) $
putStrLnErr "no known GHC version is allowed by the 'tested-with' specification"
putStrLnInfo $ "Generating Travis-CI config for testing for GHC versions: " ++ unwords (map disp' testedGhcVersions)
----------------------------------------------------------------------------
-- travis.yml generation starts here
putStrLn "# This file has been generated -- see https://github.com/hvr/multi-ghc-travis"
putStrLn "language: c"
putStrLn "sudo: false"
putStrLn ""
putStrLn "cache:"
putStrLn " directories:"
putStrLn " - $HOME/.cabsnap"
putStrLn " - $HOME/.cabal/packages"
putStrLn ""
putStrLn "before_cache:"
putStrLn " - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log"
putStrLn " - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.tar"
putStrLn ""
putStrLn "matrix:"
putStrLn " include:"
forM_ testedGhcVersions $ \gv -> do
let cvs = disp' (lookupCabVer gv)
gvs = disp' gv
ghcopts = "-Werror"
xpkgs' = concatMap (',':) xpkgs
putStrLn $ concat [ " - env: CABALVER=", cvs, " GHCVER=", gvs,
" GHCOPTS=", ghcopts]
putStrLn $ concat [ " compiler: \": #GHC ", gvs, "\"" ]
putStrLn $ concat [ " addons: {apt: {packages: [cabal-install-", cvs, ",ghc-", gvs, xpkgs'
, "], sources: [hvr-ghc]}}" ]
return ()
let headGhcVers = filter isHead testedGhcVersions
unless (null headGhcVers) $ do
putStrLn ""
putStrLn " allow_failures:"
forM_ headGhcVers $ \gv -> do
let cvs = disp' (lookupCabVer gv)
gvs = disp' gv
putStrLn $ concat [ " - env: CABALVER=", cvs, " GHCVER=", gvs ]
putStrLn ""
putStrLn "before_install:"
putStrLn " - unset CC"
putStrLn " - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH"
putStrLn ""
putStr $ unlines
[ "install:"
, " - cabal --version"
, " - echo \"$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]\""
, " - if [ -f $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz ];"
, " then"
, " zcat $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz >"
, " $HOME/.cabal/packages/hackage.haskell.org/00-index.tar;"
, " fi"
, " - travis_retry cabal update -v"
, " - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config"
, " - cabal install --only-dependencies --enable-tests --enable-benchmarks --dry -v > installplan.txt"
, " - sed -i -e '1,/^Resolving /d' installplan.txt; cat installplan.txt"
, ""
, "# check whether current requested install-plan matches cached package-db snapshot"
, " - if diff -u installplan.txt $HOME/.cabsnap/installplan.txt;"
, " then"
, " echo \"cabal build-cache HIT\";"
, " rm -rfv .ghc;"
, " cp -a $HOME/.cabsnap/ghc $HOME/.ghc;"
, " cp -a $HOME/.cabsnap/lib $HOME/.cabsnap/share $HOME/.cabsnap/bin $HOME/.cabal/;"
, " else"
, " echo \"cabal build-cache MISS\";"
, " rm -rf $HOME/.cabsnap;"
, " mkdir -p $HOME/.ghc $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin;"
, " cabal install --only-dependencies --enable-tests --enable-benchmarks;"
, " fi"
, " "
, "# snapshot package-db on cache miss"
, " - if [ ! -d $HOME/.cabsnap ];"
, " then"
, " echo \"snapshotting package-db to build-cache\";"
, " mkdir $HOME/.cabsnap;"
, " cp -a $HOME/.ghc $HOME/.cabsnap/ghc;"
, " cp -a $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin installplan.txt $HOME/.cabsnap/;"
, " fi"
, ""
, "# Here starts the actual work to be performed for the package under test;"
, "# any command which exits with a non-zero exit code causes the build to fail."
, "script:"
, " - if [ -f configure.ac ]; then autoreconf -i; fi"
, " - cabal configure --enable-tests --enable-benchmarks -v2 # -v2 provides useful information for debugging"
, " - cabal build --ghc-options=$GHCOPTS # this builds all libraries and executables (including tests/benchmarks)"
, " - cabal test"
, " - cabal check"
, "# EOF"
]
return ()
where
knownGhcVersions :: [Version]
knownGhcVersions = fmap (`Version` [])
[ [7,0,1], [7,0,2], [7,0,3], [7,0,4]
, [7,2,1], [7,2,2]
, [7,4,1], [7,4,2]
, [7,6,1], [7,6,2], [7,6,3]
, [7,8,1], [7,8,2], [7,8,3], [7,8,4]
, [7,10,1], [7,10,2], [7,10,3]
, [7,11] -- HEAD
]
lookupCabVer :: Version -> Version
lookupCabVer (Version (x:y:_) _) = fromMaybe (error "internal error") $ lookup (x,y) cabalVerMap
where
cabalVerMap = fmap (fmap (`Version` []))
[ ((7, 0), [1,16])
, ((7, 2), [1,16])
, ((7, 4), [1,16])
, ((7, 6), [1,16])
, ((7, 8), [1,18])
, ((7,10), [1,22])
, ((7,11), [1,23]) -- HEAD
]
isHead (Version (_:y:_) _) = odd (y :: Int)
disp' v | isHead v = "head"
| otherwise = display v