ok/jj
1
0
Fork 0
forked from mirrors/jj
Code Pull requests Activity

cli: report invalid ui.pager config value

Browse source 
If you set e.g.`ui.pager = 5`, we currently ignore that and fall back
to the default. It seems better to let the user know that their config
is invalid, as we generally do. This commit does that. With this
change, the error message will look like this:

```
Config error: Invalid `ui.pager`: data did not match any variant of untagged enum CommandNameAndArgs
```

Maybe the key name will be redundant once the `config` crate releases
a version including https://github.com/mehcode/config-rs/pull/413
(thanks, Yuya).
This commit is contained in:
Martin von Zweigbergk 2023-03-29 06:26:12 -07:00 committed by Martin von Zweigbergk
parent 5fe5991ca8
commit 5ae6698f81
1 changed files with 18 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
src/ui.rs
View file

@ -20,6 +20,7 @@ use std::{env, fmt, io, mem};
use crossterm::tty::IsTty;
use maplit::hashmap;
use crate::cli_util::CommandError;
use crate::config::{CommandNameAndArgs, NonEmptyCommandArgsVec};
use crate::formatter::{Formatter, FormatterFactory, LabeledWriter};
@ -91,18 +92,26 @@ pub enum PaginationChoice {
Auto,
}
fn pager_setting(config: &config::Config) -> CommandNameAndArgs {
fn pager_setting(config: &config::Config) -> Result<CommandNameAndArgs, CommandError> {
config
.get("ui.pager")
.unwrap_or_else(|_| CommandNameAndArgs::Structured {
command: NonEmptyCommandArgsVec::try_from(vec!["less".to_string(), "-FRX".to_string()])
.get::<CommandNameAndArgs>("ui.pager")
.or_else(|err| match err {
config::ConfigError::NotFound(_) => Ok(CommandNameAndArgs::Structured {
command: NonEmptyCommandArgsVec::try_from(vec![
"less".to_string(),
"-FRX".to_string(),
])
.unwrap(),
env: hashmap! { "LESSCHARSET".to_string() => "utf-8".to_string() },
env: hashmap! { "LESSCHARSET".to_string() => "utf-8".to_string() },
}),
err => Err(CommandError::ConfigError(format!(
"Invalid `ui.pager`: {err:?}"
))),
})
}
impl Ui {
pub fn with_config(config: &config::Config) -> Result<Ui, config::ConfigError> {
pub fn with_config(config: &config::Config) -> Result<Ui, CommandError> {
let color = use_color(color_setting(config));
// Sanitize ANSI escape codes if we're printing to a terminal. Doesn't affect
// ANSI escape codes that originate from the formatter itself.
@ -112,16 +121,16 @@ impl Ui {
Ok(Ui {
color,
formatter_factory,
pager_cmd: pager_setting(config),
pager_cmd: pager_setting(config)?,
paginate: PaginationChoice::Auto,
progress_indicator,
output: UiOutput::new_terminal(),
})
}
pub fn reset(&mut self, config: &config::Config) -> Result<(), config::ConfigError> {
pub fn reset(&mut self, config: &config::Config) -> Result<(), CommandError> {
self.color = use_color(color_setting(config));
self.pager_cmd = pager_setting(config);
self.pager_cmd = pager_setting(config)?;
self.progress_indicator = progress_indicator_setting(config);
let sanitize = io::stdout().is_tty();
self.formatter_factory = FormatterFactory::prepare(config, self.color, sanitize)?;