BuildBox.Command.Environment

Gathering information about the build environment.

Build Environment

data Environment

The environment consists of the Platform, and some tool versions.

Constructors

Environment

Fields

• environmentPlatform :: Platform
• environmentVersions :: [(String, String)]

Instances

Read Environment

Methods

readsPrec :: Int -> ReadS Environment

readList :: ReadS [Environment]

readPrec :: ReadPrec Environment

readListPrec :: ReadPrec [Environment]

Show Environment

Methods

showsPrec :: Int -> Environment -> ShowS

show :: Environment -> String

showList :: [Environment] -> ShowS

Pretty Environment

Methods

ppr :: Environment -> Doc

getEnvironmentWith

Arguments

:: [(String, Build String)]

List of tool names and commands to get their versions.

-> Build Environment

Get the current environment, including versions of these tools.

Build platform

data Platform

Generic information about the platform we're running on.

Constructors

Platform

Fields

• platformHostName :: String
• platformHostArch :: String
• platformHostProcessor :: String
• platformHostOS :: String
• platformHostRelease :: String

Instances

Read Platform

Methods

readsPrec :: Int -> ReadS Platform

readList :: ReadS [Platform]

readPrec :: ReadPrec Platform

readListPrec :: ReadPrec [Platform]

Show Platform

Methods

showsPrec :: Int -> Platform -> ShowS

show :: Platform -> String

showList :: [Platform] -> ShowS

Pretty Platform

Methods

ppr :: Platform -> Doc

getHostPlatform :: Build Platform

Get information about the host platform.

getHostName :: Build String

Get the name of this host, using uname.

getHostArch :: Build String

Get the host architecture, using uname.

getHostProcessor :: Build String

Get the host processor name, using uname.

getHostOS :: Build String

Get the host operating system, using uname.

getHostRelease :: Build String

Get the host operating system release, using uname.

Software versions

getVersionGHC :: FilePath -> Build String

Get the version of this GHC, or throw an error if it can't be found.

getVersionGCC :: FilePath -> Build String

Get the version of this GCC, or throw an error if it can't be found.