43 lines
1.3 KiB
CoffeeScript
43 lines
1.3 KiB
CoffeeScript
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ChildProcess = require 'child_process'
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fs = require 'fs'
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path = require 'path'
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appFolder = path.resolve(process.execPath, '..') # i.e. my-app/app-0.1.13/
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rootApplicationFolder = path.resolve(appFolder, '..') # i.e. my-app/
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updateDotExe = path.join(rootApplicationFolder, 'Update.exe')
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exeName = path.basename(process.execPath)
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# Spawn a command and invoke the callback when it completes with an error
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# and the output from standard out.
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spawn = (command, args, callback) ->
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stdout = ''
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try
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spawnedProcess = ChildProcess.spawn(command, args)
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catch error
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# Spawn can throw an error
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process.nextTick -> callback?(error, stdout)
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return
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spawnedProcess.stdout.on 'data', (data) -> stdout += data
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error = null
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spawnedProcess.on 'error', (processError) -> error ?= processError
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spawnedProcess.on 'close', (code, signal) ->
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error ?= new Error("Command failed: #{signal ? code}") if code isnt 0
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error?.code ?= code
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error?.stdout ?= stdout
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callback?(error, stdout)
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# Spawn the Update.exe with the given arguments and invoke the callback when
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# the command completes.
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spawnUpdate = (args, callback) ->
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spawn(updateDotExe, args, callback)
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# Exports
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exports.spawn = spawnUpdate
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# Is the Update.exe installed with Atom?
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exports.existsSync = ->
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fs.accessSync(updateDotExe, fs.R_OK)
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