Windows: Try using symlinks if they're allowed #3687
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djc
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Feb 27, 2024
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Something like that? |
djc
approved these changes
Feb 27, 2024
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This seems okay, going to merge this. Thanks! |
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@ChrisDenton I don't use Windows personally but I have a question: will this create a possibly inconsistent state where one part of the installation is organized with symlinks and another part with juncture points? |
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That could happen but I can't think of a case where the type of link would matter to us. Except, as previously mentioned, when moving the rustup directory. In that case you'll end up with some links being broken while others aren't but I'm not sure that's any worse than all links being broken. |
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eandre
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Sep 16, 2024
Windows requires Developer Mode to be enabled to use symlinks without admin permissions. This isn't always enabled, so fall back to using junction points if symlink creation fails. This is for example what rustup does already. See rust-lang/rustup#3687 for example.
eandre
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Sep 16, 2024
Windows requires Developer Mode to be enabled to use symlinks without admin permissions. This isn't always enabled, so fall back to using junction points if symlink creation fails. This is for example what rustup does already. See rust-lang/rustup#3687 for example.
eandre
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Sep 16, 2024
Windows requires Developer Mode to be enabled to use symlinks without admin permissions. This isn't always enabled, so fall back to using junction points if symlink creation fails. This is for example what rustup does already. See rust-lang/rustup#3687 for example.
goodcode2000
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Oct 2, 2025
Windows requires Developer Mode to be enabled to use symlinks without admin permissions. This isn't always enabled, so fall back to using junction points if symlink creation fails. This is for example what rustup does already. See rust-lang/rustup#3687 for example.
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On Windows, creating symlinks is not allowed unless developer mode is enabled or a specific permission is granted. Therefore this optimistically attempts to use symlinks first, before falling back to juncture points in the event that fails.
Resolves #3677