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refers TIME_STYLE environment variable if it exists and the argument is not given

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This commit is contained in:
mopp 2018-06-15 04:38:32 +09:00
parent a3b2f2b3f4
commit 991781070e
2 changed files with 35 additions and 20 deletions
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2
src/options/vars.rs
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@ -12,6 +12,8 @@ pub static LS_COLORS: &str = "LS_COLORS";
/// characters.
pub static COLUMNS: &str = "COLUMNS";
/// Environment variable used to datetime format.
pub static TIME_STYLE: &str = "TIME_STYLE";
// exa-specific variables

53
src/options/view.rs
View File

@ -37,7 +37,7 @@ impl Mode {
}
else {
Ok(details::Options {
table: Some(TableOptions::deduce(matches)?),
table: Some(TableOptions::deduce(matches, vars)?),
header: matches.has(&flags::HEADER)?,
xattr: xattr::ENABLED && matches.has(&flags::EXTENDED)?,
})
@ -201,9 +201,9 @@ impl RowThreshold {
impl TableOptions {
fn deduce(matches: &MatchedFlags) -> Result<Self, Misfire> {
fn deduce<V: Vars>(matches: &MatchedFlags, vars: &V) -> Result<Self, Misfire> {
let env = Environment::load_all();
let time_format = TimeFormat::deduce(matches)?;
let time_format = TimeFormat::deduce(matches, vars)?;
let size_format = SizeFormat::deduce(matches)?;
let extra_columns = Columns::deduce(matches)?;
Ok(TableOptions { env, time_format, size_format, extra_columns })
@ -251,24 +251,30 @@ impl SizeFormat {
impl TimeFormat {
/// Determine how time should be formatted in timestamp columns.
fn deduce(matches: &MatchedFlags) -> Result<TimeFormat, Misfire> {
fn deduce<V: Vars>(matches: &MatchedFlags, vars: &V) -> Result<TimeFormat, Misfire> {
pub use output::time::{DefaultFormat, ISOFormat};
let word = match matches.get(&flags::TIME_STYLE)? {
Some(w) => w,
None => return Ok(TimeFormat::DefaultFormat(DefaultFormat::new())),
Some(w) => w.to_os_string(),
None => {
use options::vars;
match vars.get(vars::TIME_STYLE) {
Some(ref t) if !t.is_empty() => t.clone(),
_ => return Ok(TimeFormat::DefaultFormat(DefaultFormat::new()))
}
},
};
if word == "default" {
if &word == "default" {
Ok(TimeFormat::DefaultFormat(DefaultFormat::new()))
}
else if word == "iso" {
else if &word == "iso" {
Ok(TimeFormat::ISOFormat(ISOFormat::new()))
}
else if word == "long-iso" {
else if &word == "long-iso" {
Ok(TimeFormat::LongISO)
}
else if word == "full-iso" {
else if &word == "full-iso" {
Ok(TimeFormat::FullISO)
}
else {
@ -456,23 +462,30 @@ mod test {
// implement PartialEq.
// Default behaviour
test!(empty: TimeFormat <- []; Both => like Ok(TimeFormat::DefaultFormat(_)));
test!(empty: TimeFormat <- [], None; Both => like Ok(TimeFormat::DefaultFormat(_)));
// Individual settings
test!(default: TimeFormat <- ["--time-style=default"]; Both => like Ok(TimeFormat::DefaultFormat(_)));
test!(iso: TimeFormat <- ["--time-style", "iso"]; Both => like Ok(TimeFormat::ISOFormat(_)));
test!(long_iso: TimeFormat <- ["--time-style=long-iso"]; Both => like Ok(TimeFormat::LongISO));
test!(full_iso: TimeFormat <- ["--time-style", "full-iso"]; Both => like Ok(TimeFormat::FullISO));
test!(default: TimeFormat <- ["--time-style=default"], None; Both => like Ok(TimeFormat::DefaultFormat(_)));
test!(iso: TimeFormat <- ["--time-style", "iso"], None; Both => like Ok(TimeFormat::ISOFormat(_)));
test!(long_iso: TimeFormat <- ["--time-style=long-iso"], None; Both => like Ok(TimeFormat::LongISO));
test!(full_iso: TimeFormat <- ["--time-style", "full-iso"], None; Both => like Ok(TimeFormat::FullISO));
// Overriding
test!(actually: TimeFormat <- ["--time-style=default", "--time-style", "iso"]; Last => like Ok(TimeFormat::ISOFormat(_)));
test!(actual_2: TimeFormat <- ["--time-style=default", "--time-style", "iso"]; Complain => err Misfire::Duplicate(Flag::Long("time-style"), Flag::Long("time-style")));
test!(actually: TimeFormat <- ["--time-style=default", "--time-style", "iso"], None; Last => like Ok(TimeFormat::ISOFormat(_)));
test!(actual_2: TimeFormat <- ["--time-style=default", "--time-style", "iso"], None; Complain => err Misfire::Duplicate(Flag::Long("time-style"), Flag::Long("time-style")));
test!(nevermind: TimeFormat <- ["--time-style", "long-iso", "--time-style=full-iso"]; Last => like Ok(TimeFormat::FullISO));
test!(nevermore: TimeFormat <- ["--time-style", "long-iso", "--time-style=full-iso"]; Complain => err Misfire::Duplicate(Flag::Long("time-style"), Flag::Long("time-style")));
test!(nevermind: TimeFormat <- ["--time-style", "long-iso", "--time-style=full-iso"], None; Last => like Ok(TimeFormat::FullISO));
test!(nevermore: TimeFormat <- ["--time-style", "long-iso", "--time-style=full-iso"], None; Complain => err Misfire::Duplicate(Flag::Long("time-style"), Flag::Long("time-style")));
// Errors
test!(daily: TimeFormat <- ["--time-style=24-hour"]; Both => err Misfire::BadArgument(&flags::TIME_STYLE, OsString::from("24-hour")));
test!(daily: TimeFormat <- ["--time-style=24-hour"], None; Both => err Misfire::BadArgument(&flags::TIME_STYLE, OsString::from("24-hour")));
// `TIME_STYLE` environment variable is defined.
// If the time-style argument is not given, `TIME_STYLE` is used.
test!(use_env: TimeFormat <- [], Some("long-iso".into()); Both => like Ok(TimeFormat::LongISO));
// If the time-style argument is given, `TIME_STYLE` is overriding.
test!(override_env: TimeFormat <- ["--time-style=full-iso"], Some("long-iso".into()); Both => like Ok(TimeFormat::FullISO));
}