[tor-bugs] #26038 [Core Tor/Tor]: Misc Rust/Cargo improvements (incl. use global cargo cache)

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#26038: Misc Rust/Cargo improvements (incl. use global cargo cache)
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     Reporter:  Hello71       |      Owner:  Hello71
         Type:  enhancement   |     Status:  assigned
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  rust
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
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 https://cgit.alxu.ca/tor.git/log/?h=misc-rust

 for discussion (since nobody cared on #tor-dev): should we use the global
 cargo cache? I think most C+Rust projects still use the global cache. I
 tried searching GitHub
 (https://github.com/search?q=%22CARGO_HOME%22+extension%3Aam&type=Code). I
 found that tor is the only project that does not. for users who do not
 care, using the global cache will save download time and bandwidth on
 repeat builds, and for those who do care, my patch prints a warning so
 they will know. (maybe it should be downgraded to NOTICE?)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26038>
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