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Create a copy of the previous flow file (flow.previous) before each deploy

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closes #184
In case of emergency you can now find the previous flow file before you hit 
deploy in a file called flow.previous . As indicated it is the flow that was 
running prior to you hitting deploy...
This commit is contained in:
Dave C-J 2014-05-06 15:22:37 +01:00
parent 44e8aeaae4
commit 67d1e2acd8
2 changed files with 4 additions and 0 deletions
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1
.gitignore vendored
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@ -1,6 +1,7 @@
node_modules node_modules
credentials.json credentials.json
flows*.json flows*.json
flow.backup
*_cred* *_cred*
nodes/node-red-nodes/ nodes/node-red-nodes/
.npm .npm

3
red/storage/localfilesystem.js
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@ -27,6 +27,7 @@ var promiseDir = nodeFn.lift(mkdirp);
var settings; var settings;
var flowsFile; var flowsFile;
var flowsFullPath; var flowsFullPath;
var flowsPrev;
var credentialsFile; var credentialsFile;
var oldCredentialsFile; var oldCredentialsFile;
var userDir; var userDir;
@ -152,6 +153,7 @@ var localfilesystem = {
var fsext = fspath.extname(flowsFile); var fsext = fspath.extname(flowsFile);
credentialsFile = fspath.join(userDir,fspath.basename(flowsFile,fsext)+"_cred"+fsext); credentialsFile = fspath.join(userDir,fspath.basename(flowsFile,fsext)+"_cred"+fsext);
oldCredentialsFile = fspath.join(userDir,"credentials.json"); oldCredentialsFile = fspath.join(userDir,"credentials.json");
flowsPrev = fspath.join(userDir,"flow.backup");
libDir = fspath.join(userDir,"lib"); libDir = fspath.join(userDir,"lib");
libFlowsDir = fspath.join(libDir,"flows"); libFlowsDir = fspath.join(libDir,"flows");
@ -176,6 +178,7 @@ var localfilesystem = {
}, },
saveFlows: function(flows) { saveFlows: function(flows) {
fs.rename(flowsFullPath,flowsPrev);
return nodeFn.call(fs.writeFile, flowsFullPath, JSON.stringify(flows)); return nodeFn.call(fs.writeFile, flowsFullPath, JSON.stringify(flows));
}, },