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.gitignore vendored
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# Linux
*~
.directory
# Vim
[._]*.s[a-w][a-z]
[._]s[a-w][a-z]
*.un~
Session.vim
.netrwhist
*~
tags
# Haskell
dist dist
cabal-dev
*.o
*.hi
*.chi
*.chs.h
*.dyn_o
*.dyn_hi
.virtualenv
.hpc
.hsenv
.cabal-sandbox/
cabal.sandbox.config
cabal.config
*.prof
*.aux
*.hp
.stack-work/

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language: haskell
matrix:
fast_finish: true
include:
- ghc: 7.10
- ghc: 7.8

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# Revision history for HaskellNet-SSL
## 0.4.0.0 -- 2025-01-07
- drop support for connection in favour of crypton-connection
- compatibility with GHCs up to ghc 9.8 (bump base and bytestring)
- fix example
- add tested-with stanza
## 0.4.0.1 -- 2025-01-17
- Ignore 502 error on helo - fixes communication with some servers
## 0.4.0.1 -- 2025-02-15
- bump data-default and network

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@ -1,24 +1,19 @@
name: HaskellNet-SSL name: HaskellNet-SSL
synopsis: Helpers to connect to SSL/TLS mail servers with HaskellNet synopsis: Helpers to connect to SSL/TLS mail servers with HaskellNet
version: 0.4.0.2 version: 0.1.0.0
description: This package ties together the HaskellNet and connection description: This package ties together the HaskellNet and connection
packages to make it easy to open IMAP and SMTP connections packages to make it easy to open IMAP and SMTP connections
over SSL. over SSL.
homepage: https://github.com/dpwright/HaskellNet-SSL homepage: https://github.com/dpwright/HaskellNet-SSL
tested-with: GHC ==9.4.8 || ==9.6.5 || ==9.8.2
license: BSD3 license: BSD3
license-file: LICENSE license-file: LICENSE
author: Daniel P. Wright author: Daniel P. Wright
maintainer: Leza M. Lutonda <lemol-c@outlook.com>, dani@dpwright.com, contact@mangoiv.com maintainer: dani@dpwright.com
copyright: (c) 2013 Daniel P. Wright copyright: (c) 2013 Daniel P. Wright
category: Network category: Network
build-type: Simple build-type: Simple
cabal-version: 1.18 cabal-version: >=1.8
extra-doc-files: README.md, CHANGELOG.md data-files: README.md
flag network-bsd
description: Get Network.BSD from the network-bsd package
default: True
source-repository head source-repository head
type: git type: git
@ -27,30 +22,13 @@ source-repository head
library library
hs-source-dirs: src hs-source-dirs: src
ghc-options: -Wall ghc-options: -Wall
default-language: Haskell2010
exposed-modules: Network.HaskellNet.IMAP.SSL exposed-modules: Network.HaskellNet.IMAP.SSL
Network.HaskellNet.POP3.SSL Network.HaskellNet.POP3.SSL
Network.HaskellNet.SMTP.SSL Network.HaskellNet.SMTP.SSL
Network.HaskellNet.SSL other-modules: Network.HaskellNet.SSL
other-modules: Network.HaskellNet.SSL.Internal build-depends: base ==4.5.*,
build-depends: base >= 4 && < 5, HaskellNet >= 0.3.1,
HaskellNet >= 0.3 && < 0.7, connection >= 0.1.3,
crypton-connection >= 0.3.1 && < 0.5, network >= 2.3,
bytestring >= 0.9 && < 0.13, bytestring,
data-default >= 0.2 && < 0.9 data-default
if flag(network-bsd)
build-depends: network >= 3.0 && < 3.3,
network-bsd >= 2.7 && < 2.9
else
build-depends: network >= 2.4 && < 3.3
executable HaskellNet-SSL-example
hs-source-dirs: examples
main-is: gmail.hs
other-modules:
build-depends: base,
HaskellNet-SSL,
HaskellNet,
bytestring
default-language: Haskell2010

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@ -1,12 +1,11 @@
# HaskellNet-SSL HaskellNet-SSL
--------------
[![haskell ci](https://github.com/dpwright/HaskellNet-SSL/actions/workflows/haskell.yml/badge.svg)](https://github.com/dpwright/HaskellNet-SSL/actions/workflows/haskell.yml)
This package ties together the excellent [HaskellNet][HaskellNet] and This package ties together the excellent [HaskellNet][HaskellNet] and
[crypton-connection][crypton-connection] packages to make it easy to open IMAP and SMTP [connection][connection] packages to make it easy to open IMAP and SMTP
connections over SSL. This is a simple "glue" library; all credit for a) connections over SSL. This is a simple "glue" library; all credit for a)
connecting to IMAP/SMTP servers and b) making an SSL connection goes to the connecting to IMAP/SMTP servers and b) making an SSL connection goes to the
aforementioned libraries. aforementioned libraries.
[HaskellNet]: https://github.com/jtdaugherty/HaskellNet [HaskellNet]: https://github.com/jtdaugherty/HaskellNet
[crypton-connection]: https://github.com/kazu-yamamoto/crypton-connection [connection]: https://github.com/vincenthz/hs-connection

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@ -1,6 +0,0 @@
packages: .
allow-newer:
, HaskellNet:base
, HaskellNet:network
, HaskellNet:data-default

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@ -1,54 +1,38 @@
{-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE OverloadedStrings #-}
import Network.HaskellNet.IMAP.SSL import Network.HaskellNet.IMAP
import Network.HaskellNet.SMTP.SSL as SMTP import Network.HaskellNet.IMAP.SSL
import Network.HaskellNet.Auth (AuthType(LOGIN), Password) import Network.HaskellNet.SMTP
import Network.Mail.Mime import Network.HaskellNet.SMTP.SSL
import Network.HaskellNet.Auth (AuthType(PLAIN))
import Network.BSD (getHostName)
import qualified Data.ByteString.Char8 as B import qualified Data.ByteString.Char8 as B
import Data.String
username :: IsString s => s
username = "username@gmail.com" username = "username@gmail.com"
password :: Password
password = "password" password = "password"
recipient :: Address
recipient = "someone@somewhere.com" recipient = "someone@somewhere.com"
imapTest :: IO ()
imapTest = do imapTest = do
c <- connectIMAPSSLWithSettings "imap.gmail.com" cfg c <- connectIMAPSSL "imap.gmail.com"
login c username password login c username password
mboxes <- list c mboxes <- list c
mapM_ print mboxes mapM_ print mboxes
select c "INBOX" select c "INBOX"
msgs@(firstMsg : _) <- search c [ALLs] msgs <- search c [ALLs]
let firstMsg = head msgs
msgContent <- fetch c firstMsg msgContent <- fetch c firstMsg
B.putStrLn msgContent B.putStrLn msgContent
logout c
where cfg = defaultSettingsIMAPSSL { sslMaxLineLength = 100000 }
smtpTest :: IO () smtpTest = do
smtpTest = doSMTPSTARTTLS "smtp.gmail.com" $ \c -> do c <- connectSMTPSTARTTLS "smtp.gmail.com"
authSucceed <- SMTP.authenticate LOGIN username password c sendCommand c $ AUTH PLAIN username password
if authSucceed sendMail username [recipient] mailContent c
then do where mailContent = subject `B.append` body
mail <- simpleMail subject = "Subject: Test message\r\n\r\n"
recipient body = "This is a test message"
username
subject
body
mempty
mempty
sendMail mail c -- recipient username subject body
else print "Authentication error."
where subject = "Test message"
body = "This is a test message"
main :: IO () main :: IO ()
main = do main = smtpTest >> imapTest >> return ()
smtpTest
imapTest

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@ -1,29 +1,15 @@
-- | IMAP SSL Connections
module Network.HaskellNet.IMAP.SSL module Network.HaskellNet.IMAP.SSL
( -- * Establishing connection ( connectIMAPSSL
connectIMAPSSL , connectIMAPSSLPort
, connectIMAPSSLWithSettings
-- * Settings
, Settings(..)
, defaultSettingsIMAPSSL
-- * Network.HaskellNet.IMAP re-exports
, module Network.HaskellNet.IMAP
) where ) where
import Network.Socket.Internal (PortNumber)
import Network.HaskellNet.IMAP.Connection import Network.HaskellNet.IMAP.Connection
import Network.HaskellNet.IMAP import Network.HaskellNet.IMAP
import Network.HaskellNet.SSL import Network.HaskellNet.SSL
import Network.HaskellNet.SSL.Internal
-- | Create IMAP connection with default settings
connectIMAPSSL :: String -> IO IMAPConnection connectIMAPSSL :: String -> IO IMAPConnection
connectIMAPSSL hostname = connectIMAPSSLWithSettings hostname defaultSettingsIMAPSSL connectIMAPSSL hostname = connectIMAPSSLPort hostname 993
-- | Create IMAP connection with given settings connectIMAPSSLPort :: String -> PortNumber -> IO IMAPConnection
connectIMAPSSLWithSettings :: String -> Settings -> IO IMAPConnection connectIMAPSSLPort hostname port = connectSSL hostname port >>= connectStream
connectIMAPSSLWithSettings hostname cfg = connectSSL hostname cfg >>= connectStream
-- | Default IMAP SSL settings, port 993
defaultSettingsIMAPSSL :: Settings
defaultSettingsIMAPSSL = defaultSettingsWithPort 993

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@ -1,25 +1,15 @@
module Network.HaskellNet.POP3.SSL module Network.HaskellNet.POP3.SSL
( -- * Establishing connection ( connectPop3SSL
connectPop3SSL , connectPop3SSLPort
, connectPop3SSLWithSettings
-- * Settings
, Settings(..)
, defaultSettingsPop3SSL
-- * Network.HaskellNet.POP3 re-exports
, module Network.HaskellNet.POP3
) where ) where
import Network.Socket.Internal (PortNumber)
import Network.HaskellNet.POP3.Connection import Network.HaskellNet.POP3.Connection
import Network.HaskellNet.POP3 import Network.HaskellNet.POP3
import Network.HaskellNet.SSL import Network.HaskellNet.SSL
import Network.HaskellNet.SSL.Internal
connectPop3SSL :: String -> IO POP3Connection connectPop3SSL :: String -> IO POP3Connection
connectPop3SSL hostname = connectPop3SSLWithSettings hostname defaultSettingsPop3SSL connectPop3SSL hostname = connectPop3SSLPort hostname 995
connectPop3SSLWithSettings :: String -> Settings -> IO POP3Connection connectPop3SSLPort :: String -> PortNumber -> IO POP3Connection
connectPop3SSLWithSettings hostname cfg = connectSSL hostname cfg >>= connectStream connectPop3SSLPort hostname port = connectSSL hostname port >>= connectStream
defaultSettingsPop3SSL :: Settings
defaultSettingsPop3SSL = defaultSettingsWithPort 995

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module Network.HaskellNet.SMTP.SSL module Network.HaskellNet.SMTP.SSL
( -- * Establishing connection ( connectSMTPSSL
connectSMTPSSL , connectSMTPSSLPort
, connectSMTPSSLWithSettings
, connectSMTPSTARTTLS , connectSMTPSTARTTLS
, connectSMTPSTARTTLSWithSettings , connectSMTPSTARTTLSPort
-- * Other Useful Operations
, doSMTPSSL
, doSMTPSSLWithSettings
, doSMTPSTARTTLS
, doSMTPSTARTTLSWithSettings
-- * Settings
, Settings(..)
, defaultSettingsSMTPSSL
, defaultSettingsSMTPSTARTTLS
-- * Network.HaskellNet.SMTP re-exports
, module Network.HaskellNet.SMTP
) where ) where
import Network.Socket.Internal (PortNumber)
import Network.HaskellNet.SMTP import Network.HaskellNet.SMTP
import Network.HaskellNet.SSL import Network.HaskellNet.SSL
import Network.HaskellNet.SSL.Internal
import Network.HaskellNet.BSStream import Network.HaskellNet.BSStream
import Network.BSD (getHostName) import Network.BSD (getHostName)
import qualified Data.ByteString.Char8 as B import qualified Data.ByteString.Char8 as B
import Control.Exception
import Control.Monad import Control.Monad
import Data.IORef import Data.IORef
connectSMTPSSL :: String -> IO SMTPConnection connectSMTPSSL :: String -> IO SMTPConnection
connectSMTPSSL hostname = connectSMTPSSLWithSettings hostname defaultSettingsSMTPSSL connectSMTPSSL hostname = connectSMTPSSLPort hostname 465
connectSMTPSSLWithSettings :: String -> Settings -> IO SMTPConnection connectSMTPSSLPort :: String -> PortNumber -> IO SMTPConnection
connectSMTPSSLWithSettings hostname cfg = connectSSL hostname cfg >>= connectStream connectSMTPSSLPort hostname port = connectSSL hostname port >>= connectStream
connectSMTPSTARTTLS :: String -> IO SMTPConnection connectSMTPSTARTTLS :: String -> IO SMTPConnection
connectSMTPSTARTTLS hostname = connectSMTPSTARTTLSWithSettings hostname defaultSettingsSMTPSTARTTLS connectSMTPSTARTTLS hostname = connectSMTPSTARTTLSPort hostname 587
connectSMTPSTARTTLSWithSettings :: String -> Settings -> IO SMTPConnection connectSMTPSTARTTLSPort :: String -> PortNumber -> IO SMTPConnection
connectSMTPSTARTTLSWithSettings hostname cfg = connectSTARTTLS hostname cfg >>= connectStream connectSMTPSTARTTLSPort hostname port = connectSTARTTLS hostname port >>= connectStream
connectSTARTTLS :: String -> Settings -> IO BSStream connectSTARTTLS :: String -> PortNumber -> IO BSStream
connectSTARTTLS hostname cfg = do connectSTARTTLS hostname port = do
(bs, startTLS) <- connectPlain hostname cfg (bs, startTLS) <- connectPlain hostname port
greeting <- bsGetLine bs greeting <- bsGetLine bs
failIfNot bs 220 $ parse $ B.unpack greeting failIfNot bs 220 $ parseResponse greeting
hn <- getHostName hn <- getHostName
bsPut bs $ B.pack ("HELO " ++ hn ++ "\r\n") bsPut bs $ B.pack ("HELO " ++ hn ++ "\r\n")
getResponse bs >>= failIfNotEx bs (`elem` [250, 502])
bsPut bs $ B.pack ("EHLO " ++ hn ++ "\r\n")
getResponse bs >>= failIfNot bs 250 getResponse bs >>= failIfNot bs 250
bsPut bs $ B.pack "STARTTLS\r\n" bsPut bs $ B.pack "STARTTLS\r\n"
getResponse bs >>= failIfNot bs 220 getResponse bs >>= failIfNot bs 220
@ -62,22 +46,15 @@ connectSTARTTLS hostname cfg = do
prefixRef <- newIORef [greeting] prefixRef <- newIORef [greeting]
return $ bs {bsGetLine = prefixedGetLine prefixRef (bsGetLine bs)} return $ bs {bsGetLine = prefixedGetLine prefixRef (bsGetLine bs)}
where getFinalResponse bs = do where parseResponse = parse . B.unpack
line <- fmap B.unpack $ bsGetLine bs parse s = (getCode s, s)
if (line !! 3) == '-' then getFinalResponse bs else return line
parse s = (getCode s, s)
getCode = read . head . words getCode = read . head . words
getResponse bs = liftM parse $ getFinalResponse bs getResponse bs = liftM parseResponse $ bsGetLine bs
failIfNot :: BSStream -> Integer -> (Integer, String) -> IO () failIfNot :: BSStream -> Integer -> (Integer, String) -> IO ()
failIfNot bs code (rc, rs) = when (code /= rc) closeAndFail failIfNot bs code (rc, rs) = when (code /= rc) closeAndFail
where closeAndFail = bsClose bs >> fail ("cannot connect to server: " ++ rs) where closeAndFail = bsClose bs >> fail ("cannot connect to server: " ++ rs)
-- | Extended version of fail if, can support multiple statuses
failIfNotEx :: BSStream -> (Integer -> Bool) -> (Integer, String) -> IO ()
failIfNotEx bs f (rc, rs) = unless (f rc) closeAndFail
where closeAndFail = bsClose bs >> fail ("cannot connect to server: " ++ rs)
-- This is a bit of a nasty hack. Network.HaskellNet.SMTP.connectStream -- This is a bit of a nasty hack. Network.HaskellNet.SMTP.connectStream
-- expects to receive a status 220 from the server as soon as it connects, -- expects to receive a status 220 from the server as soon as it connects,
-- but we've intercepted it in order to establish a STARTTLS connection. -- but we've intercepted it in order to establish a STARTTLS connection.
@ -87,24 +64,3 @@ prefixedGetLine :: IORef [B.ByteString] -> IO B.ByteString -> IO B.ByteString
prefixedGetLine prefix rawGetLine = readIORef prefix >>= deliverLine prefixedGetLine prefix rawGetLine = readIORef prefix >>= deliverLine
where deliverLine [] = rawGetLine where deliverLine [] = rawGetLine
deliverLine (l:ls) = writeIORef prefix ls >> return l deliverLine (l:ls) = writeIORef prefix ls >> return l
bracketSMTP :: IO SMTPConnection -> (SMTPConnection -> IO a) -> IO a
bracketSMTP = flip bracket closeSMTP
doSMTPSSL :: String -> (SMTPConnection -> IO a) -> IO a
doSMTPSSL host = bracketSMTP $ connectSMTPSSL host
doSMTPSSLWithSettings :: String -> Settings -> (SMTPConnection -> IO a) -> IO a
doSMTPSSLWithSettings host port = bracketSMTP $ connectSMTPSSLWithSettings host port
doSMTPSTARTTLS :: String -> (SMTPConnection -> IO a) -> IO a
doSMTPSTARTTLS host = bracketSMTP $ connectSMTPSTARTTLS host
doSMTPSTARTTLSWithSettings :: String -> Settings -> (SMTPConnection -> IO a) -> IO a
doSMTPSTARTTLSWithSettings host port = bracketSMTP $ connectSMTPSTARTTLSWithSettings host port
defaultSettingsSMTPSSL :: Settings
defaultSettingsSMTPSSL = defaultSettingsWithPort 465
defaultSettingsSMTPSTARTTLS :: Settings
defaultSettingsSMTPSTARTTLS = defaultSettingsWithPort 587

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{-# LANGUAGE CPP #-} module Network.HaskellNet.SSL ( connectSSL
module Network.HaskellNet.SSL , connectPlain
( Settings (..) ) where
, defaultSettingsWithPort
) where
#if MIN_VERSION_network(3,0,0) import Network.Connection
import Network.Socket (PortNumber) import Network.HaskellNet.BSStream
#else
import Network.Socket.Internal (PortNumber) import Network.Socket.Internal (PortNumber)
#endif
-- | Settings for configuring HaskellNet connections import qualified Data.ByteString.Char8 as B
data Settings = Settings import Data.Default
{ sslPort :: PortNumber -- ^ Port number to connect to
, sslMaxLineLength :: Int -- ^ Max line lengths
, sslLogToConsole :: Bool -- ^ Log info to console
, sslDisableCertificateValidation :: Bool -- ^ Disable certificate validation
} deriving(Eq, Ord, Show)
-- | Construct default settings for a port type STARTTLS = IO ()
defaultSettingsWithPort :: PortNumber -> Settings
defaultSettingsWithPort p = Settings maxLineLength :: Int
{ sslPort = p maxLineLength = 10000
, sslMaxLineLength = 10000
, sslLogToConsole = False connectionGetBytes :: Connection -> Int -> IO B.ByteString
, sslDisableCertificateValidation = False connectionGetBytes = loop B.empty where
} loop buf _ 0 = return buf
loop buf c l = connectionGet c l >>= nextIteration
where nextIteration b = loop (buf `B.append` b) c $ l - B.length b
connectionToStream :: Connection -> BSStream
connectionToStream c = BSStream
{ bsGet = connectionGetBytes c
, bsPut = connectionPut c
, bsFlush = return ()
, bsClose = connectionClose c
, bsIsOpen = return True
, bsGetLine = connectionGetLine maxLineLength c
}
connectSSL :: String -> PortNumber -> IO BSStream
connectSSL hostname port = do
c <- initConnectionContext >>= flip connectTo params
return $ connectionToStream c
where params = ConnectionParams hostname port (Just def) Nothing
connectPlain :: String -> PortNumber -> IO (BSStream, STARTTLS)
connectPlain hostname port = do
ctx <- initConnectionContext
c <- connectTo ctx params
return (connectionToStream c, connectionSetSecure ctx c def)
where params = ConnectionParams hostname port Nothing Nothing

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module Network.HaskellNet.SSL.Internal
( connectSSL
, connectPlain
) where
import Network.Connection
import Network.HaskellNet.SSL
import Network.HaskellNet.BSStream
import qualified Data.ByteString.Char8 as B
import Data.Default
import Control.Monad ((>=>))
type STARTTLS = IO ()
connectionGetBytes :: Connection -> Int -> IO B.ByteString
connectionGetBytes = loop B.empty where
loop buf _ 0 = return buf
loop buf c l = connectionGet c l >>= nextIteration
where nextIteration b = loop (buf `B.append` b) c $ l - B.length b
connectionToStream :: Connection -> Settings -> BSStream
connectionToStream c cfg = BSStream
{ bsGet = connectionGetBytes c >=> withLog "RECV"
, bsPut = withLog "SEND" >=> connectionPut c
, bsFlush = return ()
, bsClose = connectionClose c
, bsIsOpen = return True
, bsGetLine = connectionGetLine maxl c >>= withLog "RECV"
, bsWaitForInput = connectionWaitForInput c
} where maxl = sslMaxLineLength cfg
withLog = if sslLogToConsole cfg then logToConsole
else flip (const . return)
logToConsole :: String -> B.ByteString -> IO B.ByteString
logToConsole dir s = do
putStrLn $ "HaskellNet-SSL " ++ dir ++ ": " ++ show s
return s
connectSSL :: String -> Settings -> IO BSStream
connectSSL hostname cfg = do
c <- initConnectionContext >>= flip connectTo params
return $ connectionToStream c cfg
where params = ConnectionParams hostname port (Just tlsCfg) Nothing
port = sslPort cfg
tlsCfg = def { settingDisableCertificateValidation = sslDisableCertificateValidation cfg }
connectPlain :: String -> Settings -> IO (BSStream, STARTTLS)
connectPlain hostname cfg = do
ctx <- initConnectionContext
c <- connectTo ctx params
return (connectionToStream c cfg, connectionSetSecure ctx c tlsCfg)
where params = ConnectionParams hostname port Nothing Nothing
port = sslPort cfg
tlsCfg = def { settingDisableCertificateValidation = sslDisableCertificateValidation cfg }

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# This file was automatically generated by 'stack init'
#
# Some commonly used options have been documented as comments in this file.
# For advanced use and comprehensive documentation of the format, please see:
# http://docs.haskellstack.org/en/stable/yaml_configuration/
# Resolver to choose a 'specific' stackage snapshot or a compiler version.
# A snapshot resolver dictates the compiler version and the set of packages
# to be used for project dependencies. For example:
#
# resolver: lts-3.5
# resolver: nightly-2015-09-21
# resolver: ghc-7.10.2
# resolver: ghcjs-0.1.0_ghc-7.10.2
# resolver:
# name: custom-snapshot
# location: "./custom-snapshot.yaml"
resolver: lts-7.19
# User packages to be built.
# Various formats can be used as shown in the example below.
#
# packages:
# - some-directory
# - https://example.com/foo/bar/baz-0.0.2.tar.gz
# - location:
# git: https://github.com/commercialhaskell/stack.git
# commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
# - location: https://github.com/commercialhaskell/stack/commit/e7b331f14bcffb8367cd58fbfc8b40ec7642100a
# extra-dep: true
# subdirs:
# - auto-update
# - wai
#
# A package marked 'extra-dep: true' will only be built if demanded by a
# non-dependency (i.e. a user package), and its test suites and benchmarks
# will not be run. This is useful for tweaking upstream packages.
packages:
- '.'
# Dependency packages to be pulled from upstream that are not in the resolver
# (e.g., acme-missiles-0.3)
extra-deps: []
# Override default flag values for local packages and extra-deps
flags: {}
# Extra package databases containing global packages
extra-package-dbs: []
# Control whether we use the GHC we find on the path
# system-ghc: true
#
# Require a specific version of stack, using version ranges
# require-stack-version: -any # Default
# require-stack-version: ">=1.1"
#
# Override the architecture used by stack, especially useful on Windows
# arch: i386
# arch: x86_64
#
# Extra directories used by stack for building
# extra-include-dirs: [/path/to/dir]
# extra-lib-dirs: [/path/to/dir]
#
# Allow a newer minor version of GHC than the snapshot specifies
# compiler-check: newer-minor