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Fix file path separator decoded from manifest is not correct on Windows #3077

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Fix file path separator decoded from manifest is not correct on Windows #3077

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7 changes: 7 additions & 0 deletions Cargo.lock
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1 change: 1 addition & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ url = "2.1"
wait-timeout = "0.2"
xz2 = "0.1.3"
zstd = "0.11"
path-slash = "0.2.1"

[dependencies.retry]
default-features = false
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24 changes: 22 additions & 2 deletions src/dist/component/components.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
use std::path::{Path, PathBuf};

use anyhow::{bail, Result};
use path_slash::PathBufExt;

use crate::dist::component::package::{INSTALLER_VERSION, VERSION_FILE};
use crate::dist::component::transaction::Transaction;
Expand Down Expand Up @@ -150,8 +151,12 @@ impl ComponentPart {
format!("{}:{}", &self.0, &self.1.to_string_lossy())
}
pub(crate) fn decode(line: &str) -> Option<Self> {
line.find(':')
.map(|pos| Self(line[0..pos].to_owned(), PathBuf::from(&line[(pos + 1)..])))
line.find(':').map(|pos| {
Self(
line[0..pos].to_owned(),
PathBuf::from_slash(&line[(pos + 1)..]),
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Hi, I've had a look at this. I think the change should be localised to the rename path, rather than the manifest: the change you've made will result in different manifests in the rustup dir depending on OS - that will interact badly with rustup dirs shared on NFS and the like.

I'm not entirely sure that the extra library is worth it - since we're only doing a relatively small number of these operations the overhead of a deconstruct to segments and reconstruct will be quite inivisble.

    42 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-cargo-x86_64-unknown-linux-gnu
     5 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-clippy-preview-x86_64-unknown-linux-gnu
    26 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-rust-analysis-x86_64-unknown-linux-gnu
    25 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-rustc-x86_64-unknown-linux-gnu
     1 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-rust-docs-x86_64-unknown-linux-gnu
     5 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-rustfmt-preview-x86_64-unknown-linux-gnu
  1466 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-rust-src
    32 /home/robertc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/manifest-rust-std-x86_64-unknown-linux-gnu
  1602 total

)
})
}
}

Expand Down Expand Up @@ -316,3 +321,18 @@ impl Component {
Ok(tx)
}
}

#[cfg(test)]
mod tests {
use super::*;

#[test]
fn decode_component_part() {
let part = ComponentPart::decode("dir:share/doc/rust/html").unwrap();
assert_eq!(part.0, "dir");
#[cfg(target_os = "windows")]
assert_eq!(part.1, Path::new(r"share\doc\rust\html"));
#[cfg(not(target_os = "windows"))]
assert_eq!(part.1, Path::new("share/doc/rust/html"));
}
}