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Fix custom_install_path detection

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Installing to `CARGO_INSTALL_ROOT` or the local executable dir should be
considered a custom installation path.

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
This commit is contained in:
Jiahao XU 2022-07-23 18:33:30 +10:00
parent 7bdc720a9a
commit 79476e490b
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GPG key ID: 591C0B03040416D6
2 changed files with 14 additions and 13 deletions
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15
src/helpers.rs
View file

@ -172,22 +172,25 @@ pub async fn download_tar_based_and_visit<V: TarEntriesVisitor + Debug + Send +
/// Fetch install path from environment
/// roughly follows <https://doc.rust-lang.org/cargo/commands/cargo-install.html#description>
pub fn get_install_path<P: AsRef<Path>>(install_path: Option<P>) -> Option<PathBuf> {
///
/// Return (install_path, is_custom_install_path)
pub fn get_install_path<P: AsRef<Path>>(install_path: Option<P>) -> (Option<PathBuf>, bool) {
// Command line override first first
if let Some(p) = install_path {
return Some(PathBuf::from(p.as_ref()));
return (Some(PathBuf::from(p.as_ref())), true);
}
// Environmental variables
if let Ok(p) = std::env::var("CARGO_INSTALL_ROOT") {
debug!("using CARGO_INSTALL_ROOT ({p})");
let b = PathBuf::from(p);
return Some(b.join("bin"));
return (Some(b.join("bin")), true);
}
if let Ok(p) = std::env::var("CARGO_HOME") {
debug!("using CARGO_HOME ({p})");
let b = PathBuf::from(p);
return Some(b.join("bin"));
return (Some(b.join("bin")), false);
}
// Standard $HOME/.cargo/bin
@ -196,7 +199,7 @@ pub fn get_install_path<P: AsRef<Path>>(install_path: Option<P>) -> Option<PathB
if d.exists() {
debug!("using $HOME/.cargo/bin");
return Some(d);
return (Some(d), false);
}
}
@ -207,7 +210,7 @@ pub fn get_install_path<P: AsRef<Path>>(install_path: Option<P>) -> Option<PathB
debug!("Fallback to {}", d.display());
}
dir
(dir, true)
}
/// Atomically install a file.