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Treating environment variables as Values (#497)

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* Proof of concept treating env vars as Values

* Refactor env var collection and method name

* Remove unnecessary pub

* Move env translations into a new file

* Fix LS_COLORS to support any Value

* Fix spans during env var translation

* Add span to env var in cd

* Improve error diagnostics

* Fix non-string env vars failing string conversion

* Make PROMPT_COMMAND a Block instead of String

* Record host env vars to a fake file

This will give spans to env vars that would otherwise be without one.
Makes errors less confusing.

* Add 'env' command to list env vars

It will list also their values translated to strings

* Sort env command by name; Add env var type

* Remove obsolete test
This commit is contained in:
Jakub Žádník
2021-12-17 03:04:54 +02:00
committed by GitHub
parent 342584e5f8
commit 6a0f404558
20 changed files with 414 additions and 132 deletions
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6
crates/nu-command/src/viewers/griddle.rs
View File

@ -1,6 +1,7 @@
// use super::icons::{icon_for_file, iconify_style_ansi_to_nu};
use super::icons::icon_for_file;
use lscolors::{LsColors, Style};
use nu_engine::env_to_string;
use nu_engine::CallExt;
use nu_protocol::{
ast::{Call, PathMember},
@ -61,7 +62,10 @@ prints out the list properly."#
let color_param: bool = call.has_flag("color");
let separator_param: Option<String> = call.get_flag(engine_state, stack, "separator")?;
let config = stack.get_config().unwrap_or_default();
let env_str = stack.get_env_var("LS_COLORS");
let env_str = match stack.get_env_var("LS_COLORS") {
Some(v) => Some(env_to_string("LS_COLORS", v, engine_state, stack, &config)?),
None => None,
};
let use_grid_icons = config.use_grid_icons;
match input {

9
crates/nu-command/src/viewers/table.rs
View File

@ -1,5 +1,6 @@
use lscolors::{LsColors, Style};
use nu_color_config::{get_color_config, style_primitive};
use nu_engine::env_to_string;
use nu_protocol::ast::{Call, PathMember};
use nu_protocol::engine::{Command, EngineState, Stack};
use nu_protocol::{
@ -74,7 +75,13 @@ impl Command for Table {
let ctrlc = ctrlc.clone();
let ls_colors = match stack.get_env_var("LS_COLORS") {
Some(s) => LsColors::from_string(&s),
Some(v) => LsColors::from_string(&env_to_string(
"LS_COLORS",
v,
engine_state,
stack,
&config,
)?),
None => LsColors::default(),
};