-
-
Save JulianBirch/395038 to your computer and use it in GitHub Desktop.
Lein.ps1
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#requires -version 2 | |
# NB lein -? will give help for the powershell script | |
# lein help will give command help for Leiningen | |
Param( | |
[Parameter(Mandatory=$true, Position = 0, HelpMessage = "The command to pass to Leiningen")] | |
[string]$command, | |
[Parameter(HelpMessage = "The version of Clojure to run. Needs to be compatible with the version of Leiningen or strange things can happen.")] | |
[string]$clojureVersion = "1.1.0", # e.g. 1.2.0-master-20100430.160229-59 | |
[Parameter(HelpMessage = "The location of the Clojure jar. Don't use this unless you're compiling Clojure from trunk.")] | |
[string]$clojureJar, # e.g. "D:\julian\Documents\Projects\oss\circumspec\lib\clojure\1.2.0-master-20100430.160229-59.jar" | |
[Parameter(HelpMessage = "The version of Leiningen. 1.1.0 is the currently stable version.")] | |
[string]$leinVersion = "1.1.0", # e.g. 1.2.0 | |
[Parameter(HelpMessage = "The location of Leiningen standalone jar. Don't use this unless you're compiling Leiningen from trunk. Also, make sure it points at an uberjar, not a regular jar.")] | |
[string]$leinJar, # e.g. D:\Julian\Documents\Projects\oss\leiningen\leiningen-standalone.jar | |
[Parameter(HelpMessage = "Where to download Leiningen from if you're doing a self-install. Make sure this value is compatible with leinJar and leinVersion or you'll never unpick the mess.")] | |
[string]$leinUrl, # e.g. http://github.com/downloads/technomancy/leiningen/leiningen-1.1.0-standalone.jar | |
[Parameter(HelpMessage = "Completely overrides Leiningen and runs an arbitrary Clojure command. Don't use it unless you know what you're doing.")] | |
[string]$clojureCommand, | |
[Parameter(ValueFromRemainingArguments = $true)]$args | |
) | |
(Get-Host).PrivateData.VerboseForegroundColor = "Yellow" # This is pretty badly behaved. Basic users will like it, but advanced users may want to comment this out. | |
# Functions | |
function coalesce { | |
(@($args | ?{$_}) + $null)[0] | |
} | |
function join($separator, $items) { | |
if($items){ | |
[String]::Join($separator, $items) | |
} | |
} | |
function get-libs(){ | |
if(test-path "lib"){ | |
join ";" ((ls lib -include *.jar -recur) |% { $_.FullName }) | |
} | |
} | |
function maven-location($directory, $product, $version, $extra) { | |
# $format = "{0}`\.m2`\repository`\{1}`\{2}`\{2}`\{1}-{2}{3}.jar"; | |
# return [String]::Format($format, $env:UserProfile, $product, $version, $extra) | |
return "$env:UserProfile`\.m2`\repository`\$directory`\$product`\$version`\$product-$version$extra.jar"; | |
} | |
function calculateClassPath($command) { | |
$libs = (get-libs) | |
# If we are not running from a checkout | |
if((-not (test-path $leinJar)) -and ($command -ne "self-install")){ | |
write-error "Leiningen is not installed. Please run `"lein self-install`"." | |
exit 1 | |
} # classes;test | |
if((test-path "classes\leiningen\core.class") -or (("compile", "deps") -contains $command)){ | |
$result = "$leinJar;$libs" | |
} else { | |
$result = "src;classes;$leinJar;$libs" | |
} | |
if(("test", "repl") -contains $command) { | |
# tests should be runnable from repl | |
$testDir = (get-item -erroraction SilentlyContinue "test").FullName | |
$result= $testDir + ";" + $result | |
} | |
return $result | |
} | |
function execute-leiningen($command, [Parameter(ValueFromRemainingArguments = $true)]$args) { | |
$classPath = calculateClassPath $command | |
write-verbose "Taking Clojure $clojureVersion from $clojureJar" | |
write-verbose "Taking Leiningen $leinVersion from $leinJar" | |
$usingClassPath = (join "`n" ($classPath.Split(";"))) | |
write-verbose "Using class path: `n$usingClassPath`n--End Class Path--" | |
if ($clojureCommand -eq "") { | |
if ($command -eq "repl") { | |
java -cp "$clojureJar;$classPath" clojure.main $args | |
return | |
} | |
$args = @($command) + @($args) | |
$escapedArgs = $args |% { $allArgs = "" } { $allArgs += "\`"$_\`" " } { $allArgs } | |
$clojureCommand = "(use 'leiningen.core) (-main $escapedArgs)" | |
} | |
write-verbose "Clojure command: $clojureCommand" | |
echo "java ""-Xbootclasspath/a:$clojureJar"" -cp ""$classPath"" clojure.main -e ""$clojureCommand""" > leinps1.log | |
java "-Xbootclasspath/a:$clojureJar" -cp "$classPath" clojure.main -e "$clojureCommand" | |
} | |
# Argument Defaults | |
$clojureJar = coalesce $clojureJar $env:clojureJar (maven-location "org`\clojure" "clojure" $clojureVersion) | |
$leinJar = coalesce $leinJar $env:leinJar (maven-location "leiningen" "leiningen" $leinVersion "-standalone") | |
$leinUrl = coalesce $leinUrl "http://github.com/downloads/technomancy/leiningen/leiningen-$leinVersion-standalone.jar" | |
# Classes directory needs to exist before the JVM is launched apparently | |
if(-not (test-path "classes")){ | |
[void](mkdir classes) | |
} | |
if (("compile", "jar", "uberjar") -contains $command){ | |
# Deps need to run before the JVM launches for tasks that need them | |
if(-not (get-libs)) { | |
write-verbose "Obtaining dependencies" | |
execute-leiningen deps skip-dev | |
} | |
} elseif ($command -eq "self-install"){ | |
write-verbose "Downloading Leiningen from $leinUrl" | |
$jarPath = split-path $leinJar | |
if(-not (test-path $jarPath)){ | |
mkdir $jarPath | |
} | |
(new-object System.Net.WebClient).DownloadFile($leinUrl, $leinJar) | |
exit 0 | |
} | |
execute-leiningen $command $args | |
# Credits and Notes: | |
# Coalesce by Keith Dalby http://solutionizing.net/2008/12/20/powershell-coalesce-and-powershellasp-query-string-parameters/ | |
# Help with parameters by Keith Hill http://stackoverflow.com/questions/2795582/any-way-to-specify-a-non-positional-parameter-in-a-powershell-script | |
# Heavily based on Roland Sadowski's original lein.ps1, but merged with concepts from Phil Hagelberg's lein.bat | |
# Anything left might be original :) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment