Cache vcpkg packages about cppbuildtasks HOT 4 CLOSED

I just saw this

Note: since buildtrees, packages and download subdirectories must not be cached, they are excluded by the .artifactignore file generated by the vcpkg-run task.

This answer my first question.

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Hi @lukka, although .artifactignore excluded some folders, caching in my pipeline still go up to 5GB. Meanwhile installed folder is only roughly 750MB which is a lot smaller. So I think that it will be still be very useful if you have that example done.

Note that restore 5GB cache takes roughly 3 minutes while restore 750MB takes about 25 seconds which is quite a big difference.

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@JamesYangLim there is room for improvements indeed.
In order to get the content and size of the first level of the cached content, could you run on server the following command just after the cache has been restored:

cd /path/to/vcpkg/root/dir
du -hs *

Also try to change the key's value given to the Cache task, and verify whether the size of the cache is going to be significantly smaller: this could happen if the cache task has been run with no .artifactignore file in the past (i.e. the cached content is immutable, and if cached once, it wont change unless a different key is being used)

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@JamesYangLim found the issue and fixed it in #15 ! Thanks for reporting this problem.

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