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34 lines
986 B
CoffeeScript
34 lines
986 B
CoffeeScript
# node.js child-process
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# http://nodejs.org/docs/v0.6.3/api/child_processes.html
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$ = require 'jquery'
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_ = require 'underscore'
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module.exports =
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class ChildProccess
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@exec: (command, options={}) ->
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deferred = $.Deferred()
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if options.bufferLines
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options.stdout = @bufferLines(options.stdout) if options.stdout
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options.stderr = @bufferLines(options.stderr) if options.stderr
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$native.exec command, options, (exitStatus, stdout, stdin) ->
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if error != 0
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error = new Error("Exec failed (#{exitStatus}) command '#{command}'")
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error.exitStatus = exitStatus
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deferred.reject(error)
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else
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deferred.resolve(stdout, stdin)
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deferred
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@bufferLines: (callback) ->
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buffered = ""
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(data) ->
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buffered += data
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lastNewlineIndex = buffered.lastIndexOf('\n')
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if lastNewlineIndex >= 0
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callback(buffered.substring(0, lastNewlineIndex + 1))
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buffered = buffered.substring(lastNewlineIndex + 1)
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