mirror of
https://github.com/overleaf/overleaf.git
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1ddf9283f2
Adds a `flags` parameter to the request JSON, appearing under the `compile.options` key (alongside such stalwarts as `compiler`, `timeout`, etc.). This is primarily to support `-file-line-error` as an option, but could have other uses as well. `flags` should be an array of strings, or absent. If supplied, the listed arguments are added to the base latexmk command.
344 lines
14 KiB
CoffeeScript
344 lines
14 KiB
CoffeeScript
ResourceWriter = require "./ResourceWriter"
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LatexRunner = require "./LatexRunner"
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OutputFileFinder = require "./OutputFileFinder"
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OutputCacheManager = require "./OutputCacheManager"
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Settings = require("settings-sharelatex")
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Path = require "path"
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logger = require "logger-sharelatex"
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Metrics = require "./Metrics"
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child_process = require "child_process"
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DraftModeManager = require "./DraftModeManager"
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TikzManager = require "./TikzManager"
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LockManager = require "./LockManager"
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fs = require("fs")
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fse = require "fs-extra"
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os = require("os")
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async = require "async"
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Errors = require './Errors'
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CommandRunner = require "./CommandRunner"
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getCompileName = (project_id, user_id) ->
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if user_id? then "#{project_id}-#{user_id}" else project_id
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getCompileDir = (project_id, user_id) ->
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Path.join(Settings.path.compilesDir, getCompileName(project_id, user_id))
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module.exports = CompileManager =
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doCompileWithLock: (request, callback = (error, outputFiles) ->) ->
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compileDir = getCompileDir(request.project_id, request.user_id)
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lockFile = Path.join(compileDir, ".project-lock")
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# use a .project-lock file in the compile directory to prevent
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# simultaneous compiles
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fse.ensureDir compileDir, (error) ->
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return callback(error) if error?
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LockManager.runWithLock lockFile, (releaseLock) ->
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CompileManager.doCompile(request, releaseLock)
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, callback
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doCompile: (request, callback = (error, outputFiles) ->) ->
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compileDir = getCompileDir(request.project_id, request.user_id)
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timer = new Metrics.Timer("write-to-disk")
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logger.log project_id: request.project_id, user_id: request.user_id, "syncing resources to disk"
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ResourceWriter.syncResourcesToDisk request, compileDir, (error, resourceList) ->
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# NOTE: resourceList is insecure, it should only be used to exclude files from the output list
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if error? and error instanceof Errors.FilesOutOfSyncError
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logger.warn project_id: request.project_id, user_id: request.user_id, "files out of sync, please retry"
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return callback(error)
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else if error?
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logger.err err:error, project_id: request.project_id, user_id: request.user_id, "error writing resources to disk"
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return callback(error)
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logger.log project_id: request.project_id, user_id: request.user_id, time_taken: Date.now() - timer.start, "written files to disk"
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timer.done()
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injectDraftModeIfRequired = (callback) ->
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if request.draft
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DraftModeManager.injectDraftMode Path.join(compileDir, request.rootResourcePath), callback
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else
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callback()
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createTikzFileIfRequired = (callback) ->
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TikzManager.checkMainFile compileDir, request.rootResourcePath, resourceList, (error, needsMainFile) ->
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return callback(error) if error?
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if needsMainFile
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TikzManager.injectOutputFile compileDir, request.rootResourcePath, callback
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else
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callback()
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# set up environment variables for chktex
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env = {}
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# only run chktex on LaTeX files (not knitr .Rtex files or any others)
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isLaTeXFile = request.rootResourcePath?.match(/\.tex$/i)
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if request.check? and isLaTeXFile
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env['CHKTEX_OPTIONS'] = '-nall -e9 -e10 -w15 -w16'
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env['CHKTEX_ULIMIT_OPTIONS'] = '-t 5 -v 64000'
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if request.check is 'error'
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env['CHKTEX_EXIT_ON_ERROR'] = 1
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if request.check is 'validate'
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env['CHKTEX_VALIDATE'] = 1
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# apply a series of file modifications/creations for draft mode and tikz
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async.series [injectDraftModeIfRequired, createTikzFileIfRequired], (error) ->
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return callback(error) if error?
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timer = new Metrics.Timer("run-compile")
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# find the image tag to log it as a metric, e.g. 2015.1 (convert . to - for graphite)
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tag = request.imageName?.match(/:(.*)/)?[1]?.replace(/\./g,'-') or "default"
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tag = "other" if not request.project_id.match(/^[0-9a-f]{24}$/) # exclude smoke test
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Metrics.inc("compiles")
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Metrics.inc("compiles-with-image.#{tag}")
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compileName = getCompileName(request.project_id, request.user_id)
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LatexRunner.runLatex compileName, {
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directory: compileDir
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mainFile: request.rootResourcePath
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compiler: request.compiler
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timeout: request.timeout
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image: request.imageName
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flags: request.flags
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environment: env
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}, (error, output, stats, timings) ->
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# request was for validation only
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if request.check is "validate"
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result = if error?.code then "fail" else "pass"
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error = new Error("validation")
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error.validate = result
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# request was for compile, and failed on validation
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if request.check is "error" and error?.message is 'exited'
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error = new Error("compilation")
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error.validate = "fail"
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# compile was killed by user, was a validation, or a compile which failed validation
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if error?.terminated or error?.validate
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OutputFileFinder.findOutputFiles resourceList, compileDir, (err, outputFiles) ->
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return callback(err) if err?
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callback(error, outputFiles) # return output files so user can check logs
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return
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# compile completed normally
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return callback(error) if error?
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Metrics.inc("compiles-succeeded")
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for metric_key, metric_value of stats or {}
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Metrics.count(metric_key, metric_value)
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for metric_key, metric_value of timings or {}
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Metrics.timing(metric_key, metric_value)
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loadavg = os.loadavg?()
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Metrics.gauge("load-avg", loadavg[0]) if loadavg?
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ts = timer.done()
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logger.log {project_id: request.project_id, user_id: request.user_id, time_taken: ts, stats:stats, timings:timings, loadavg:loadavg}, "done compile"
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if stats?["latex-runs"] > 0
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Metrics.timing("run-compile-per-pass", ts / stats["latex-runs"])
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if stats?["latex-runs"] > 0 and timings?["cpu-time"] > 0
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Metrics.timing("run-compile-cpu-time-per-pass", timings["cpu-time"] / stats["latex-runs"])
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OutputFileFinder.findOutputFiles resourceList, compileDir, (error, outputFiles) ->
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return callback(error) if error?
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OutputCacheManager.saveOutputFiles outputFiles, compileDir, (error, newOutputFiles) ->
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callback null, newOutputFiles
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stopCompile: (project_id, user_id, callback = (error) ->) ->
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compileName = getCompileName(project_id, user_id)
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LatexRunner.killLatex compileName, callback
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clearProject: (project_id, user_id, _callback = (error) ->) ->
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callback = (error) ->
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_callback(error)
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_callback = () ->
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compileDir = getCompileDir(project_id, user_id)
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CompileManager._checkDirectory compileDir, (err, exists) ->
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return callback(err) if err?
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return callback() if not exists # skip removal if no directory present
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proc = child_process.spawn "rm", ["-r", compileDir]
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proc.on "error", callback
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stderr = ""
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proc.stderr.on "data", (chunk) -> stderr += chunk.toString()
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proc.on "close", (code) ->
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if code == 0
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return callback(null)
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else
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return callback(new Error("rm -r #{compileDir} failed: #{stderr}"))
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_findAllDirs: (callback = (error, allDirs) ->) ->
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root = Settings.path.compilesDir
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fs.readdir root, (err, files) ->
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return callback(err) if err?
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allDirs = (Path.join(root, file) for file in files)
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callback(null, allDirs)
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clearExpiredProjects: (max_cache_age_ms, callback = (error) ->) ->
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now = Date.now()
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# action for each directory
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expireIfNeeded = (checkDir, cb) ->
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fs.stat checkDir, (err, stats) ->
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return cb() if err? # ignore errors checking directory
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age = now - stats.mtime
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hasExpired = (age > max_cache_age_ms)
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if hasExpired then fse.remove(checkDir, cb) else cb()
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# iterate over all project directories
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CompileManager._findAllDirs (error, allDirs) ->
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return callback() if error?
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async.eachSeries allDirs, expireIfNeeded, callback
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_checkDirectory: (compileDir, callback = (error, exists) ->) ->
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fs.lstat compileDir, (err, stats) ->
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if err?.code is 'ENOENT'
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return callback(null, false) # directory does not exist
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else if err?
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logger.err {dir: compileDir, err:err}, "error on stat of project directory for removal"
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return callback(err)
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else if not stats?.isDirectory()
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logger.err {dir: compileDir, stats:stats}, "bad project directory for removal"
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return callback new Error("project directory is not directory")
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else
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callback(null, true) # directory exists
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syncFromCode: (project_id, user_id, file_name, line, column, callback = (error, pdfPositions) ->) ->
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# If LaTeX was run in a virtual environment, the file path that synctex expects
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# might not match the file path on the host. The .synctex.gz file however, will be accessed
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# wherever it is on the host.
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compileName = getCompileName(project_id, user_id)
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base_dir = Settings.path.synctexBaseDir(compileName)
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file_path = base_dir + "/" + file_name
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compileDir = getCompileDir(project_id, user_id)
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synctex_path = "#{base_dir}/output.pdf"
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command = ["code", synctex_path, file_path, line, column]
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fse.ensureDir compileDir, (error) ->
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if error?
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logger.err {error, project_id, user_id, file_name}, "error ensuring dir for sync from code"
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return callback(error)
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CompileManager._runSynctex project_id, user_id, command, (error, stdout) ->
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return callback(error) if error?
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logger.log project_id: project_id, user_id:user_id, file_name: file_name, line: line, column: column, command:command, stdout: stdout, "synctex code output"
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callback null, CompileManager._parseSynctexFromCodeOutput(stdout)
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syncFromPdf: (project_id, user_id, page, h, v, callback = (error, filePositions) ->) ->
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compileName = getCompileName(project_id, user_id)
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compileDir = getCompileDir(project_id, user_id)
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base_dir = Settings.path.synctexBaseDir(compileName)
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synctex_path = "#{base_dir}/output.pdf"
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command = ["pdf", synctex_path, page, h, v]
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fse.ensureDir compileDir, (error) ->
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if error?
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logger.err {error, project_id, user_id, file_name}, "error ensuring dir for sync to code"
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return callback(error)
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CompileManager._runSynctex project_id, user_id, command, (error, stdout) ->
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return callback(error) if error?
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logger.log project_id: project_id, user_id:user_id, page: page, h: h, v:v, stdout: stdout, "synctex pdf output"
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callback null, CompileManager._parseSynctexFromPdfOutput(stdout, base_dir)
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_checkFileExists: (path, callback = (error) ->) ->
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synctexDir = Path.dirname(path)
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synctexFile = Path.join(synctexDir, "output.synctex.gz")
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fs.stat synctexDir, (error, stats) ->
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if error?.code is 'ENOENT'
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return callback(new Errors.NotFoundError("called synctex with no output directory"))
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return callback(error) if error?
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fs.stat synctexFile, (error, stats) ->
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if error?.code is 'ENOENT'
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return callback(new Errors.NotFoundError("called synctex with no output file"))
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return callback(error) if error?
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return callback(new Error("not a file")) if not stats?.isFile()
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callback()
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_runSynctex: (project_id, user_id, command, callback = (error, stdout) ->) ->
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seconds = 1000
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command.unshift("/opt/synctex")
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directory = getCompileDir(project_id, user_id)
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timeout = 60 * 1000 # increased to allow for large projects
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compileName = getCompileName(project_id, user_id)
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CommandRunner.run compileName, command, directory, Settings.clsi.docker.image, timeout, {}, (error, output) ->
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if error?
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logger.err err:error, command:command, project_id:project_id, user_id:user_id, "error running synctex"
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return callback(error)
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callback(null, output.stdout)
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_parseSynctexFromCodeOutput: (output) ->
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results = []
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for line in output.split("\n")
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[node, page, h, v, width, height] = line.split("\t")
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if node == "NODE"
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results.push {
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page: parseInt(page, 10)
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h: parseFloat(h)
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v: parseFloat(v)
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height: parseFloat(height)
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width: parseFloat(width)
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}
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return results
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_parseSynctexFromPdfOutput: (output, base_dir) ->
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results = []
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for line in output.split("\n")
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[node, file_path, line, column] = line.split("\t")
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if node == "NODE"
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file = file_path.slice(base_dir.length + 1)
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results.push {
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file: file
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line: parseInt(line, 10)
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column: parseInt(column, 10)
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}
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return results
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wordcount: (project_id, user_id, file_name, image, callback = (error, pdfPositions) ->) ->
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logger.log project_id:project_id, user_id:user_id, file_name:file_name, image:image, "running wordcount"
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file_path = "$COMPILE_DIR/" + file_name
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command = [ "texcount", '-nocol', '-inc', file_path, "-out=" + file_path + ".wc"]
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compileDir = getCompileDir(project_id, user_id)
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timeout = 60 * 1000
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compileName = getCompileName(project_id, user_id)
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fse.ensureDir compileDir, (error) ->
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if error?
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logger.err {error, project_id, user_id, file_name}, "error ensuring dir for sync from code"
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return callback(error)
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CommandRunner.run compileName, command, compileDir, image, timeout, {}, (error) ->
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return callback(error) if error?
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fs.readFile compileDir + "/" + file_name + ".wc", "utf-8", (err, stdout) ->
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if err?
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#call it node_err so sentry doesn't use random path error as unique id so it can't be ignored
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logger.err node_err:err, command:command, compileDir:compileDir, project_id:project_id, user_id:user_id, "error reading word count output"
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return callback(err)
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results = CompileManager._parseWordcountFromOutput(stdout)
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logger.log project_id:project_id, user_id:user_id, wordcount: results, "word count results"
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callback null, results
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_parseWordcountFromOutput: (output) ->
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results = {
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encode: ""
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textWords: 0
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headWords: 0
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outside: 0
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headers: 0
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elements: 0
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mathInline: 0
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mathDisplay: 0
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errors: 0
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messages: ""
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}
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for line in output.split("\n")
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[data, info] = line.split(":")
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if data.indexOf("Encoding") > -1
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results['encode'] = info.trim()
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if data.indexOf("in text") > -1
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results['textWords'] = parseInt(info, 10)
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if data.indexOf("in head") > -1
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results['headWords'] = parseInt(info, 10)
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if data.indexOf("outside") > -1
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results['outside'] = parseInt(info, 10)
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if data.indexOf("of head") > -1
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results['headers'] = parseInt(info, 10)
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if data.indexOf("Number of floats/tables/figures") > -1
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results['elements'] = parseInt(info, 10)
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if data.indexOf("Number of math inlines") > -1
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results['mathInline'] = parseInt(info, 10)
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if data.indexOf("Number of math displayed") > -1
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results['mathDisplay'] = parseInt(info, 10)
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if data is "(errors" # errors reported as (errors:123)
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results['errors'] = parseInt(info, 10)
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if line.indexOf("!!! ") > -1 # errors logged as !!! message !!!
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results['messages'] += line + "\n"
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return results
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