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add a system level folder for future autoloading

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This commit is contained in:
Darren Schroeder 2024-06-19 08:37:55 -05:00
parent a894e9c246
commit 5bdfa94819
1 changed files with 38 additions and 0 deletions
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38
crates/nu-protocol/src/eval_const.rs
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@ -181,6 +181,44 @@ pub(crate) fn create_nu_constant(engine_state: &EngineState, span: Span) -> Valu
},
);
// Create a system level directory for nushell scripts, modules, completions, etc
// that can be changed by setting the NU_VENDOR_AUTOLOAD_DIR env var on any platform
// OR if NU_VENDOR_AUTOLOAD_DIR is not set for non-windows systems, the PREFIX env var
// can be used as PREFIX/nushell/vendor/autoload
record.push(
"vendor-autoload-dir",
// pseudo code
// if env var NU_VENDOR_AUTOLOAD_DIR is set, in any platform, use it
// if not, if windows, use ALLUSERPROFILE\nushell\vendor\autoload
// if not, if non-windows, if env var PREFIX is set, use PREFIX/share/nushell/vendor/autoload
// if not, use the default /usr/share/nushell/vendor/autoload
// check to see if NU_VENDOR_AUTOLOAD_DIR env var is set, if not, use the default
option_env!("NU_VENDOR_AUTOLOAD_DIR")
.map(String::from)
.or_else(|| {
if cfg!(windows) {
let all_user_profile = match engine_state.get_env_var("ALLUSERPROFILE") {
Some(v) => format!(
"{}\\nushell\\vendor\\autoload",
v.coerce_string().unwrap_or("C:\\ProgramData".into())
),
None => "C:\\ProgramData\\nushell\\vendor\\autoload".into(),
};
Some(all_user_profile)
} else {
// In non-Windows environments, if NU_VENDOR_AUTOLOAD_DIR is not set
// check to see if PREFIX env var is set, and use it as PREFIX/nushell/vendor/autoload
// otherwise default to /usr/share/nushell/vendor/autoload
option_env!("PREFIX").map(String::from).map_or_else(
|| Some("/usr/share/nushell/vendor/autoload".into()),
|prefix| Some(format!("{}/nushell/vendor/autoload", prefix)),
)
}
})
.map_or_else(|| Value::nothing(span), |s| Value::string(s, span)),
);
record.push("temp-path", {
let canon_temp_path = canonicalize_path(engine_state, &std::env::temp_dir());
Value::string(canon_temp_path.to_string_lossy(), span)