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Extract gather_commandline_args (#7868)

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- Extract gathering of command line arguments
- Simplify the function a bit
This commit is contained in:
Hofer-Julian 2023-01-27 00:56:55 +01:00 committed by GitHub
parent 9d0e52b94d
commit 2849e28c2b
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2 changed files with 49 additions and 49 deletions
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46
src/command.rs
View File

@ -1,6 +1,7 @@
use nu_cli::report_error;
use nu_engine::{get_full_help, CallExt};
use nu_parser::parse;
use nu_parser::{escape_for_script_arg, escape_quote_string};
use nu_protocol::{
ast::{Call, Expr, Expression, PipelineElement},
engine::{Command, EngineState, Stack, StateWorkingSet},
@ -9,6 +10,51 @@ use nu_protocol::{
};
use nu_utils::stdout_write_all_and_flush;
pub(crate) fn gather_commandline_args() -> (Vec<String>, String, Vec<String>) {
// Would be nice if we had a way to parse this. The first flags we see will be going to nushell
// then it'll be the script name
// then the args to the script
let mut args_to_nushell = Vec::from(["nu".into()]);
let mut script_name = String::new();
let mut args = std::env::args();
// Mimic the behaviour of bash/zsh
if let Some(argv0) = args.next() {
if argv0.starts_with('-') {
args_to_nushell.push("--login".into());
}
}
while let Some(arg) = args.next() {
if !arg.starts_with('-') {
script_name = arg;
break;
}
let flag_value = match arg.as_ref() {
"--commands" | "-c" | "--table-mode" | "-m" | "-e" | "--execute" | "--config"
| "--env-config" => args.next().map(|a| escape_quote_string(&a)),
#[cfg(feature = "plugin")]
"--plugin-config" => args.next().map(|a| escape_quote_string(&a)),
"--log-level" | "--log-target" | "--testbin" | "--threads" | "-t" => args.next(),
_ => None,
};
args_to_nushell.push(arg);
if let Some(flag_value) = flag_value {
args_to_nushell.push(flag_value);
}
}
let args_to_script = if !script_name.is_empty() {
args.map(|arg| escape_for_script_arg(&arg)).collect()
} else {
Vec::default()
};
(args_to_nushell, script_name, args_to_script)
}
pub(crate) fn parse_commandline_args(
commandline_args: &str,
engine_state: &mut EngineState,

52
src/main.rs
View File

@ -15,6 +15,7 @@ use crate::{
logger::{configure, logger},
terminal::acquire_terminal,
};
use command::gather_commandline_args;
use log::Level;
use miette::Result;
#[cfg(feature = "plugin")]
@ -24,7 +25,6 @@ use nu_cli::{
report_error_new,
};
use nu_command::create_default_context;
use nu_parser::{escape_for_script_arg, escape_quote_string};
use nu_protocol::{util::BufferedReader, PipelineData, RawStream};
use nu_utils::utils::perf;
use signals::{ctrlc_protection, sigquit_protection};
@ -64,54 +64,8 @@ fn main() -> Result<()> {
ctrlc_protection(&mut engine_state, &ctrlc);
sigquit_protection(&mut engine_state);
let mut args_to_nushell = vec![];
let mut script_name = String::new();
let mut args_to_script = vec![];
// Would be nice if we had a way to parse this. The first flags we see will be going to nushell
// then it'll be the script name
// then the args to the script
let mut args = std::env::args();
let argv0 = args.next();
while let Some(arg) = args.next() {
if !script_name.is_empty() {
args_to_script.push(escape_for_script_arg(&arg));
} else if arg.starts_with('-') {
// Cool, it's a flag
let flag_value = match arg.as_ref() {
"--commands" | "-c" | "--table-mode" | "-m" | "-e" | "--execute" => {
args.next().map(|a| escape_quote_string(&a))
}
"--config" | "--env-config" => args.next().map(|a| escape_quote_string(&a)),
#[cfg(feature = "plugin")]
"--plugin-config" => args.next().map(|a| escape_quote_string(&a)),
"--log-level" | "--log-target" | "--testbin" | "--threads" | "-t" => args.next(),
_ => None,
};
args_to_nushell.push(arg);
if let Some(flag_value) = flag_value {
args_to_nushell.push(flag_value);
}
} else {
// Our script file
script_name = arg;
}
}
args_to_nushell.insert(0, "nu".into());
if let Some(argv0) = argv0 {
if argv0.starts_with('-') {
args_to_nushell.push("--login".into());
}
}
let nushell_commandline_args = args_to_nushell.join(" ");
let parsed_nu_cli_args = parse_commandline_args(&nushell_commandline_args, &mut engine_state)
let (args_to_nushell, script_name, args_to_script) = gather_commandline_args();
let parsed_nu_cli_args = parse_commandline_args(&args_to_nushell.join(" "), &mut engine_state)
.unwrap_or_else(|_| std::process::exit(1));
if let Some(level) = parsed_nu_cli_args.log_level.map(|level| level.item) {