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Friendly error message for missing plugin executable (#7163)

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WindSoilder 2022-11-19 19:12:18 +08:00 committed by GitHub
parent c98a6705e6
commit 41f72b1236
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1 changed files with 17 additions and 2 deletions
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19
crates/nu-plugin/src/plugin/mod.rs
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@ -7,7 +7,7 @@ use crate::protocol::{CallInput, LabeledError, PluginCall, PluginData, PluginRes
use crate::EncodingType;
use std::env;
use std::fmt::Write;
use std::io::{BufReader, Read, Write as WriteTrait};
use std::io::{BufReader, ErrorKind, Read, Write as WriteTrait};
use std::path::{Path, PathBuf};
use std::process::{Child, ChildStdout, Command as CommandSys, Stdio};
@ -120,10 +120,25 @@ pub fn get_signature(
current_envs: &HashMap<String, String>,
) -> Result<Vec<Signature>, ShellError> {
let mut plugin_cmd = create_command(path, shell);
let program_name = plugin_cmd.get_program().to_os_string().into_string();
plugin_cmd.envs(current_envs);
let mut child = plugin_cmd.spawn().map_err(|err| {
ShellError::PluginFailedToLoad(format!("Error spawning child process: {}", err))
let error_msg = match err.kind() {
ErrorKind::NotFound => match program_name {
Ok(prog_name) => {
format!("Can't find {prog_name}, please make sure that {prog_name} is in PATH.")
}
_ => {
format!("Error spawning child process: {}", err)
}
},
_ => {
format!("Error spawning child process: {}", err)
}
};
ShellError::PluginFailedToLoad(error_msg)
})?;
let mut stdin_writer = child