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Fix the order of preference for VISUAL and EDITOR (#14275)

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# Description

The order in which Nushell consulted `$env.EDITOR` and `$env.VISUAL` was
wrong. Most other programs check `$env.VISUAL` first and then fall back
to `$env.EDITOR` (for historic reasons).

References:

*
https://wiki.archlinux.org/title/Environment_variables#Default_programs
*
https://help.ubuntu.com/community/EnvironmentVariables#Preferred_application_variables
 * https://unix.stackexchange.com/a/4861
 * https://git-scm.com/docs/git-var

# User-Facing Changes

Users will now be able to use those preferences variables the same way
they are used in other programs.

# Tests + Formatting

That part wasn't tested before, and I don't think it's necessary to test
it now.

# After Submitting

PR to the docs repo is here: nushell/nushell.github.io#1621
This commit is contained in:
Bruce Weirdan 2024-11-07 00:01:57 +01:00 committed by GitHub
parent c7e128eed1
commit ab641d9f18
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2 changed files with 3 additions and 3 deletions
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4
crates/nu-cmd-base/src/util.rs
View file

@ -78,10 +78,10 @@ pub fn get_editor(
get_editor_commandline(&config.buffer_editor, "$env.config.buffer_editor")
{
Ok(buff_editor)
} else if let Some(value) = env_vars.get("EDITOR") {
get_editor_commandline(value, "$env.EDITOR")
} else if let Some(value) = env_vars.get("VISUAL") {
get_editor_commandline(value, "$env.VISUAL")
} else if let Some(value) = env_vars.get("EDITOR") {
get_editor_commandline(value, "$env.EDITOR")
} else {
Err(ShellError::GenericError {
error: "No editor configured".into(),

2
crates/nu-utils/src/sample_config/default_config.nu
View file

@ -238,7 +238,7 @@ $env.config = {
color_config: $dark_theme # if you want a more interesting theme, you can replace the empty record with `$dark_theme`, `$light_theme` or another custom record
footer_mode: 25 # always, never, number_of_rows, auto
float_precision: 2 # the precision for displaying floats in tables
buffer_editor: null # command that will be used to edit the current line buffer with ctrl+o, if unset fallback to $env.EDITOR and $env.VISUAL
buffer_editor: null # command that will be used to edit the current line buffer with ctrl+o, if unset fallback to $env.VISUAL and $env.EDITOR
use_ansi_coloring: true
bracketed_paste: true # enable bracketed paste, currently useless on windows
edit_mode: emacs # emacs, vi