When reinstalling a package, chocolatey always deletes download cache #2698
Replies: 4 comments 9 replies
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This isn't an issue and doesn't use the template, so converting it to a discussion. |
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I've found that the cache is never used at all. I'm using It doesn't actually do anything with it, and just downloads new files each time into that location. |
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If you're using it on a CI / CD system, is it not being built from scratch in GitLab each time? What are you expecting to happen? |
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What is being built from scratch? I'm just installing node. In the CI/CD logs it says that it redownloading each time, which is quite different from what I expected the cache to do. |
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BTW the directory is saved and cached everytime the job runs. So the cache directory is preserved. |
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You're CI / CD system. It was a question rather than a statement.
It will use something that is already in the cache for a specific period of time. I'm not sure what that is off the top of my head but from experience it's not long. Remember, it is a cache, not a repository. If you want it to download from somewhere local, you'll look at setting up a repository. You could simply add a folder on your CI / CD system with internalized packages there. |
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I'm rerunning the jobs within a couple minutes. And I observed that the cache is always not used. Choco just downloads anew all the time. |
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I mentioned previously:
The cache is used to cache packages that have been downloaded for a very short period of time. You don't have control over that and Chocolatey will decide whether it needs to download a package again or not. It sounds like you want Chocolatey to use that rather than redownloading it again. That's not the job of the cache. That's the job of a repository. |
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How short are we talking about here? Is 10 minutes the expiry time for the cache? |
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But since it defaults to leave the file in the cache indefinitely, that behavior doesn't make sense, to me. |
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Just to reiterate what I said, Chocolatey CLI manages the cache. It determines when it has to download a file again. You can't and shouldn't rely on anything in the cache. The cache isn't a long-term file store. It's a temporary file store where Chocolatey CLI can store what it needs to on a temporary basis. The files may be cached in there for a long time, but it's still a temporary file store. If you need files to be in a known location and Chocolatey to use them instead of downloading installers / binaries from the internet, then you need to create a repository to do that. If you are doing a I've raised this issue to allow us to dig into the code and document it further. @AdmiringWorm has raised this issue to allow us to evaluate adding the ability to reinstall with using Meanwhile, please set up a repository and install from that. Please don't rely on the cache.
Agreed. It does add confusion. |
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"Chocolatey CLI manages the cache. It determines when it has to download a
file again."
And at times it does so by ignoring the existing file, which is silly.
"If you are doing a --force install, the cache isn't used."
Which again is silly. If I install a program then immediately realize that
I wanted to enable some package option, I can force it to reinstall. And at
that point, it erases the cache, downloads the same files to the cache
again, then verifies the integrity of those cached files, and finally
installs them. This is especially silly since by default, it will keep those cached files
forever.
…On Thu, May 19, 2022, 7:30 PM Paul Broadwith ***@***.***> wrote:
Just to reiterate what I said, Chocolatey CLI manages the cache. It
determines when it has to download a file again. The cache isn't a file
store. It's a temporary file store where Chocolatey CLI can store what it
needs to on a temporary basis. The files may be cached in there for a long
time, but it's still a temporary file store.
You *can't* and *shouldn't* rely on *anything* in the cache.
If you need files to be in a known location and Chocolatey to use them
instead of downloading installers / binaries from the internet, then you
need to create a repository to do that.
If you are doing a --force install, the cache isn't used. When you run a choco
uninstall the package you are removing is removed from the cache if it's
still there.
I've raised this issue <chocolatey/docs#475> to
allow us to dig into the code and document it further. In the meantime,
please set up a repository and install from that.
But since it defaults to leave the file in the cache indefinitely, that
behavior doesn't make sense, to me.
Agreed. It does add confusion.
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Yea I agree, confusion here is a strange word. |
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When one reinstalls a package, chocolatey:
Removes the download cache directory at "C:\Users$user\AppData\Local\Temp\chocolatey$package$version" as part of the uninstall function.
For this, it seems to be calling "remove_cache_for_package(config, packageVersion)" in NugetServices.cs
Then, it redownloads the files that had previously been in the cache
Then, verifies the checksums of the newly downloaded files
This is not optimal as chocolatey could simply reuse the files in the cache directory, verify their checksums, and redownload only when the sums don't match.
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