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clean up the state file if no state passed in

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This commit is contained in:
Brian Gough
2017-08-08 16:27:53 +01:00
parent 206adc2d04
commit 86fa940c97
1 changed files with 13 additions and 3 deletions
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16
app/coffee/ResourceWriter.coffee
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@@ -25,11 +25,21 @@ module.exports = ResourceWriter =
ResourceWriter.storeSyncState request.syncState, basePath, callback
storeSyncState: (state, basePath, callback) ->
logger.log state:state, basePath:basePath, "writing sync state"
fs.writeFile Path.join(basePath, ".resource-sync-state"), state, {encoding: 'ascii'}, callback
stateFile = Path.join(basePath, ".resource-sync-state")
if not state? # remove the file if no state passed in
logger.log state:state, basePath:basePath, "clearing sync state"
fs.unlink stateFile, (err) ->
if err? and err.code isnt 'ENOENT'
return callback(err)
else
return callback()
else
logger.log state:state, basePath:basePath, "writing sync state"
fs.writeFile stateFile, state, {encoding: 'ascii'}, callback
checkSyncState: (state, basePath, callback) ->
fs.readFile Path.join(basePath, ".resource-sync-state"), {encoding:'ascii'}, (err, oldState) ->
stateFile = Path.join(basePath, ".resource-sync-state")
fs.readFile stateFile, {encoding:'ascii'}, (err, oldState) ->
# ignore errors, return true if state matches, false otherwise (including errors)
return callback(null, if state is oldState then true else false)