qt installer framework, environment variables

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qt installer framework, environment variables



This should be really simple with an installer framework. I'm trying to append a folder to the users PATH environment variable in Windows 10.
In my packages installscript.qs I have tried:


component.addOperation("EnvironmentVariable", "APP_DIR", "@TargetDir@", true);



which creates and sets a new variable. But how do I append to an existing variable? I've tried:


installer.executeDetached("set", "PATH=%PATH%;@TargetDir@");



which doesn't seem to do anything, and:


var args = "PATH=%PATH%;@TargetDir@"
installer.executeDetached("set", args);



which also doesn't appear to do anything. What am I missing?




1 Answer
1



In your installscript.qs try something like this


Component.prototype.createOperations = function()

// call default implementation
component.createOperations();
// ... add custom operations
var winpath = installer.environmentVariable("PATH") + ";" + installer.value("TargetDir");
component.addElevatedOperation("EnvironmentVariable","PATH",winpath,true);






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