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Fallback for config.buffer_editor from EDITOR (#5614)

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For the reedline `buffer_editor` use the `EDITOR` and `VISUAL`
environment variables as fallback.

Same resolution order as #5607

Closes #5430
This commit is contained in:
Stefan Holderbach 2022-05-22 19:32:52 +02:00 committed by GitHub
parent 6ff717c0ba
commit 0e1bfae13d
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2 changed files with 21 additions and 2 deletions
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21
crates/nu-cli/src/repl.rs
View file

@ -159,7 +159,26 @@ pub fn evaluate_repl(
}
};
line_editor = line_editor.with_buffer_editor(config.buffer_editor.clone(), "nu".into());
let buffer_editor = if !config.buffer_editor.is_empty() {
Some(config.buffer_editor.clone())
} else {
stack
.get_env_var(engine_state, "EDITOR")
.map(|v| v.as_string().unwrap_or_default())
.filter(|v| !v.is_empty())
.or_else(|| {
stack
.get_env_var(engine_state, "VISUAL")
.map(|v| v.as_string().unwrap_or_default())
.filter(|v| !v.is_empty())
})
};
line_editor = if let Some(buffer_editor) = buffer_editor {
line_editor.with_buffer_editor(buffer_editor, "nu".into())
} else {
line_editor
};
if config.sync_history_on_enter {
if is_perf_true {

2
docs/sample_config/default_config.nu
View file

@ -190,7 +190,7 @@ let-env config = {
completion_algorithm: "prefix" # prefix, fuzzy
animate_prompt: false # redraw the prompt every second
float_precision: 2
buffer_editor: "emacs" # command that will be used to edit the current line buffer with ctrl+o
# buffer_editor: "emacs" # command that will be used to edit the current line buffer with ctrl+o, if unset fallback to $env.EDITOR and $env.VISUAL
use_ansi_coloring: true
filesize_format: "auto" # b, kb, kib, mb, mib, gb, gib, tb, tib, pb, pib, eb, eib, zb, zib, auto
edit_mode: emacs # emacs, vi