Packager runs slower due to moving the app between drives, lots of dependencies, and using NPM

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Please describe your issue: I cloned the electron quick start project, and then run this command: set DEBUG=electron-packager && electron-packager ./ --arch=x64 --platform=win32 (in windows 10) to package it. However, it takes me 40 seconds to finish!!! And when I used it in my real electron app, it takes FOREVER to finish…

From the output below, I am very confused about two things:

• The time it claims to cost is not equal to what it actually costs. For example, the last 2 line says +235ms but in fact several seconds.
• Why does it take such a long time? Why the whole task take ~1min? Why the rename task takes +14s? Shouldn’t rename as fast as a flash?

Additional information: it seems that these two things takes really long time:

• prune.
• copy the folder from temporary location to the dist location.

PS. About half a month before, I ran this command and the speed was good. The electron-quick-start can be packaged very fast, and my project can be packaged in less than 1min.

It really drives mad, so if anyone can help, I would really appreciate it!!! Thank you guys!!!

Console output when you run electron-packager with the environment variable DEBUG=electron-packager. Please include the stack trace if one exists.

The output is like this (I have marked where it stucks) :


	D:\Swap\electron-quick-start>set DEBUG=electron-packager && electron-packager ./ electron --arch=x64 --platform=win32 --overwrite --no-prune
	  electron-packager Electron Packager 8.7.2 +0ms
	  electron-packager Node v7.4.0 +0ms
	  electron-packager Host Operating system: win32 (x64) +0ms
	  electron-packager Packager Options: {"_":["./","electron"],"all":false,"deref-symlinks":true,"download":{"strictSSL":true},"overwrite":true,"prune":false,"quiet":false,"arch":"x64","platform":"win32","dir":"./","name":"electron","protocols":[]} +0ms
	  electron-packager Target Platforms: win32 +16ms
	  electron-packager Target Architectures: x64 +0ms
	  electron-packager Inferring appVersion from version in D:\Swap\electron-quick-start\package.json +10ms
	  electron-packager Inferring target Electron version from electron in D:\Swap\electron-quick-start\package.json +5ms
	  electron-packager Application name: electron +1ms
	  electron-packager Target Electron version: 1.6.12 +0ms
	  electron-packager Ignored path regular expressions: [ '/node_modules/electron($|/)',
	  '/node_modules/electron-prebuilt(-compile)?($|/)',
	  '/node_modules/electron-packager($|/)',
	  '/\\.git($|/)',
	  '/node_modules/\\.bin($|/)',
	  '\\.o(bj)?$' ] +1ms
	  electron-packager Downloading Electron with options {"strictSSL":true,"platform":"win32","arch":"x64","version":"1.6.12"} +3ms
	Packaging app for platform win32 x64 using electron v1.6.12
	  electron-packager Creating C:\Users\fzyzcjy\AppData\Local\Temp\electron-packager\win32-x64-template +7s
	  electron-packager Extracting C:\Users\fzyzcjy\.electron\electron-v1.6.12-win32-x64.zip to C:\Users\fzyzcjy\AppData\Local\Temp\electron-packager\win32-x64-template +0ms
	  electron-packager Initializing app in C:\Users\fzyzcjy\AppData\Local\Temp\electron-packager\win32-x64\electron-win32-x64 from C:\Users\fzyzcjy\AppData\Local\Temp\electron-packager\win32-x64-template template +1s
	 
	  ** STUCK HERE **
	  
	  electron-packager Ignored paths based on the out param: [ 'D:\\Swap\\electron-quick-start\\electron-darwin-ia32',
	  'D:\\Swap\\electron-quick-start\\electron-darwin-x64',
	  'D:\\Swap\\electron-quick-start\\electron-darwin-armv7l',
	  'D:\\Swap\\electron-quick-start\\electron-linux-ia32',
	  'D:\\Swap\\electron-quick-start\\electron-linux-x64',
	  'D:\\Swap\\electron-quick-start\\electron-linux-armv7l',
	  'D:\\Swap\\electron-quick-start\\electron-mas-ia32',
	  'D:\\Swap\\electron-quick-start\\electron-mas-x64',
	  'D:\\Swap\\electron-quick-start\\electron-mas-armv7l',
	  'D:\\Swap\\electron-quick-start\\electron-win32-ia32',
	  'D:\\Swap\\electron-quick-start\\electron-win32-x64',
	  'D:\\Swap\\electron-quick-start\\electron-win32-armv7l' ] +0ms
	  
	  ** STUCK HERE **
	  
	  electron-packager Pruning modules via: npm prune --production +15s
	  
	  ** STUCK HERE TOO **
	  
	  electron-packager Renaming electron.exe to electron.exe in C:\Users\fzyzcjy\AppData\Local\Temp\electron-packager\win32-x64\electron-win32-x64 +14s
	  electron-packager Running rcedit with the options {"version-string":{},"file-version":"1.0.0","product-version":"1.0.0"} +0ms
	  electron-packager Moving C:\Users\fzyzcjy\AppData\Local\Temp\electron-packager\win32-x64\electron-win32-x64 to D:\Swap\electron-quick-start\electron-win32-x64 +235ms
	
	  ** STUCK HERE TOO **
	
	Wrote new app to D:\Swap\electron-quick-start\electron-win32-x64

What command line arguments are you passing? Alternatively, if you are using the API, what parameters are you passing to the packager() function?

electron-packager ./ --arch=x64 --platform=win32

Please provide either a failing minimal testcase (with a link to the code) or detailed steps to reproduce your problem. Using electron-quick-start is a good starting point.

Just run the command above.

[malept]

Another thing you can try is installing yarn and then using --package-manager=yarn.

[malept]

There is an flag in Packager called --tmpdir.