Haskell

What

Display the currently active Glasgow Haskell Compiler (GHC) version.

Sample Configuration

json

{
  "type": "haskell",
  "style": "powerline",
  "powerline_symbol": "",
  "foreground": "#906cff",
  "background": "#100e23",
  "template": "  {{ .Full }}"
}

yaml

type: haskell
style: powerline
powerline_symbol: 
foreground: "#906cff"
background: "#100e23"
template: "  {{ .Full }}"

toml

type = "haskell"
style = "powerline"
powerline_symbol = ""
foreground = "#906cff"
background = "#100e23"
template = "  {{ .Full }}"

Properties

Name	Type	Default	Description
home_enabled	boolean	false	display the segment in the HOME folder or not
fetch_version	boolean	true	fetch the GHC version
cache_duration	string	none	the duration for which the version will be cached. The duration is a string in the format 1h2m3s and is parsed using the time.ParseDuration function from the Go standard library. To disable the cache, use none
missing_command_text	string		text to display when the command is missing
display_mode	string	context	always: the segment is always displayed files: the segment is only displayed when file extensions listed are present context: displays the segment when the environment or files is active
version_url_template	string		a go text/template template that creates the URL of the version info / release notes
stack_ghc_mode	string	never	determines when to use stack ghc to retrieve the version information. Using stack ghc will decrease performance. never: never use stack ghc package: only use stack ghc when stack.yaml is in the root of the always: always use stack ghc
extensions	[]string	*.hs, *.lhs, stack.yaml, package.yaml, *.cabal, cabal.project	allows to override the default list of file extensions to validate
folders	[]string		allows to override the list of folder names to validate

Template (info)

default template

{{ if .Error }}{{ .Error }}{{ else }}{{ .Full }}{{ end }}

Properties

Name	Type	Description
.Full	string	the full version
.Major	string	major number
.Minor	string	minor number
.Patch	string	patch number
.URL	string	URL of the version info / release notes
.Error	string	error encountered when fetching the version string
.StackGhc	boolean	true if stack ghc was used, otherwise false