remove helpers we don’t use

Gruntfile.coffee

@@ -103,16 +103,6 @@ module.exports = (grunt) ->
 
 	grunt.registerTask "check:redis", "Check that redis is installed and running", () ->
 		Helpers.checkRedisConnect @async()
-	grunt.registerTask "check:latexmk", "Check that latexmk is installed", () ->
-		Helpers.checkLatexmk @async()
-	grunt.registerTask "check:s3", "Check that Amazon S3 credentials are configured", () ->
-		Helpers.checkS3 @async()
-	grunt.registerTask "check:fs", "Check that local filesystem options are configured", () ->
-		Helpers.checkFS @async()
-	grunt.registerTask "check:aspell", "Check that aspell is installed", () ->
-		Helpers.checkAspell @async()
-	grunt.registerTask "check:make", "Check that make is installed", () ->
-		Helpers.checkMake @async()
 
 	grunt.registerTask "check:mongo", "Check that make is installed", () ->
 		Helpers.checkMongoConnect @async()
@@ -181,176 +171,6 @@ module.exports = (grunt) ->
 			proc.on "close", () ->
 				callback()
 
-		checkRedis: (callback = (error) ->) ->
-			grunt.log.write "Checking Redis is running... "
-			exec "redis-cli info", (error, stdout, stderr) ->
-				if error? and error.message.match("Could not connect")
-					grunt.log.error "FAIL. Redis is not running"
-					return callback(error)
-				else if error?
-					return callback(error)
-				else
-					m = stdout.match(/redis_version:(.*)/)
-					if !m?
-						grunt.log.error "FAIL."
-						grunt.log.error "Unknown redis version"
-						error = new Error("Unknown redis version")
-					else
-						version = m[1]
-						if semver.gte(version, "2.6.12")
-							grunt.log.writeln "OK."
-							grunt.log.writeln "Running Redis version #{version}"
-						else
-							grunt.log.error "FAIL."
-							grunt.log.error "Redis version is too old (#{version}). Must be 2.6.12 or greater."
-							error = new Error("Redis version is too old (#{version}). Must be 2.6.12 or greater.")
-				callback(error)
-
-		checkLatexmk: (callback = (error) ->) ->
-			grunt.log.write "Checking latexmk is installed... "
-			exec "latexmk --version", (error, stdout, stderr) ->
-				if error? and error.message.match("not found")
-					grunt.log.error "FAIL."
-					grunt.log.errorlns """
-					Either latexmk is not installed or is not in your PATH.
-
-					latexmk comes with TexLive 2013, and must be a version from 2013 or later.
-					If you have already have TeXLive installed, then make sure it is
-					included in your PATH (example for 64-bit linux):
-
-						export PATH=$PATH:/usr/local/texlive/2014/bin/x86_64-linux/
-
-					This is a not a fatal error, but compiling will not work without latexmk.
-					"""
-					return callback(error)
-				else if error?
-					return callback(error)
-				else
-					m = stdout.match(/Version (.*)/)
-					if !m?
-						grunt.log.error "FAIL."
-						grunt.log.error "Unknown latexmk version"
-						error = new Error("Unknown latexmk version")
-					else
-						version = m[1]
-						if semver.gte(version + ".0", "4.39.0")
-							grunt.log.writeln "OK."
-							grunt.log.writeln "Running latexmk version #{version}"
-						else
-							grunt.log.error "FAIL."
-							grunt.log.errorlns """
-							latexmk version is too old (#{version}). Must be 4.39 or greater.
-							This is a not a fatal error, but compiling will not work without latexmk
-							"""
-							error = new Error("latexmk is too old")
-				callback(error)
-
-		checkAspell: (callback = (error) ->) ->
-			grunt.log.write "Checking aspell is installed... "
-			exec "aspell dump dicts", (error, stdout, stderr) ->
-				if error? and error.message.match("not found")
-					grunt.log.error "FAIL."
-					grunt.log.errorlns """
-					Either aspell is not installed or is not in your PATH.
-
-					On Ubuntu you can install aspell with:
-
-						sudo apt-get install aspell
-
-					Or on a mac:
-
-						brew install aspell
-
-					This is not a fatal error, but the spell-checker will not work without aspell
-					"""
-					return callback(error)
-				else if error?
-					return callback(error)
-				else
-					grunt.log.writeln "OK."
-					grunt.log.writeln "The following spell check dictionaries are available:"
-					grunt.log.write stdout
-					callback()
-				callback(error)
-
-		checkS3: (callback = (error) ->) ->
-			Settings = require "settings-sharelatex"
-			if Settings.filestore.backend==""
-				grunt.log.writeln "No backend specified. Assuming Amazon S3"
-				Settings.filestore.backend = "s3"
-			if Settings.filestore.backend=="s3"
-				grunt.log.write "Checking S3 credentials... "
-				try
-					client = knox.createClient({
-						key: Settings.filestore.s3.key
-						secret: Settings.filestore.s3.secret
-						bucket: Settings.filestore.stores.user_files
-					})
-				catch e
-					grunt.log.error "FAIL."
-					grunt.log.errorlns """
-					Please configure your Amazon S3 credentials in config/settings.development.coffee
-
-					Amazon S3 (Simple Storage Service) is a cloud storage service provided by
-					Amazon. ShareLaTeX uses S3 for storing binary files like images. You can
-					sign up for an account and find out more at:
-
-							http://aws.amazon.com/s3/
-
-					"""
-					return callback()
-				client.getFile "does-not-exist", (error, response) ->
-					unless response? and response.statusCode == 404
-						grunt.log.error "FAIL."
-						grunt.log.errorlns """
-						Could not connect to Amazon S3. Please check your credentials.
-						"""
-					else
-						grunt.log.writeln "OK."
-					callback()
-			else
-				grunt.log.writeln "Filestore other than S3 configured. Not checking S3."
-				callback()
-
-		checkFS: (callback = (error) ->) ->
-			Settings = require "settings-sharelatex"
-			if Settings.filestore.backend=="fs"
-				grunt.log.write "Checking FS configuration... "
-				fs = require("fs")
-				fs.exists Settings.filestore.stores.user_files, (exists) ->
-					if exists
-						grunt.log.writeln "OK."
-					else
-						grunt.log.error "FAIL."
-						grunt.log.errorlns """
-						Could not find directory "#{Settings.filestore.stores.user_files}".
-						Please check your configuration.
-						"""
-					callback()
-			else
-				grunt.log.writeln "Filestore other than FS configured. Not checking FS."
-				callback()
-
-		checkMake: (callback = (error) ->) ->
-			grunt.log.write "Checking make is installed... "
-			exec "make --version", (error, stdout, stderr) ->
-				if error? and error.message.match("not found")
-					grunt.log.error "FAIL."
-					grunt.log.errorlns """
-					Either make is not installed or is not in your path.
-
-					On Ubuntu you can install make with:
-
-					    sudo apt-get install build-essential
-
-					"""
-					return callback(error)
-				else if error?
-					return callback(error)
-				else
-					grunt.log.write "OK."
-					return callback()
-
 
 		checkMongoConnect: (callback = (error) ->) ->
 			grunt.log.write "Checking can connect to mongo"