af22bb8d52
# Description Removes the old, deprecated behavior of the `sys` command. That is, it will no longer return the full system information record. # User-Facing Changes Breaking change: `sys` no longer outputs anything and will instead display help text.
93 lines
2.6 KiB
Rust
93 lines
2.6 KiB
Rust
use super::trim_cstyle_null;
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use chrono::{DateTime, FixedOffset, Local};
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use nu_engine::command_prelude::*;
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use sysinfo::System;
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#[derive(Clone)]
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pub struct SysHost;
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impl Command for SysHost {
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fn name(&self) -> &str {
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"sys host"
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}
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fn signature(&self) -> Signature {
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Signature::build("sys host")
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.filter()
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.category(Category::System)
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.input_output_types(vec![(Type::Nothing, Type::record())])
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}
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fn usage(&self) -> &str {
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"View information about the system host."
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}
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fn run(
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&self,
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_engine_state: &EngineState,
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_stack: &mut Stack,
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call: &Call,
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_input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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Ok(host(call.head).into_pipeline_data())
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}
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fn examples(&self) -> Vec<Example> {
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vec![Example {
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description: "Show info about the system host",
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example: "sys host",
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result: None,
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}]
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}
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}
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fn host(span: Span) -> Value {
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let mut record = Record::new();
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if let Some(name) = System::name() {
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record.push("name", Value::string(trim_cstyle_null(name), span));
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}
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if let Some(version) = System::os_version() {
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record.push("os_version", Value::string(trim_cstyle_null(version), span));
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}
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if let Some(long_version) = System::long_os_version() {
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record.push(
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"long_os_version",
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Value::string(trim_cstyle_null(long_version), span),
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);
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}
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if let Some(version) = System::kernel_version() {
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record.push(
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"kernel_version",
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Value::string(trim_cstyle_null(version), span),
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);
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}
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if let Some(hostname) = System::host_name() {
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record.push("hostname", Value::string(trim_cstyle_null(hostname), span));
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}
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let uptime = System::uptime()
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.saturating_mul(1_000_000_000)
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.try_into()
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.unwrap_or(i64::MAX);
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record.push("uptime", Value::duration(uptime, span));
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let boot_time = boot_time()
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.map(|time| Value::date(time, span))
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.unwrap_or(Value::nothing(span));
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record.push("boot_time", boot_time);
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Value::record(record, span)
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}
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fn boot_time() -> Option<DateTime<FixedOffset>> {
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// Broken systems can apparently return really high values.
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// See: https://github.com/nushell/nushell/issues/10155
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// First, try to convert u64 to i64, and then try to create a `DateTime`.
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let secs = System::boot_time().try_into().ok()?;
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let time = DateTime::from_timestamp(secs, 0)?;
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Some(time.with_timezone(&Local).fixed_offset())
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}
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