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Make last line visible
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@ -16,8 +16,9 @@ use ratatui::prelude::TermionBackend;
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use ratatui::style::{Color, Style};
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use ratatui::text::{Line, Span, Text};
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use ratatui::widgets::{Block, Borders, Clear, List, ListItem, ListState, Paragraph, Wrap};
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use std::borrow::Cow;
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use std::collections::{HashMap, VecDeque};
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use std::io::{BufRead, BufReader, Read, Write, stderr, stdin, stdout};
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use std::io::{Read, Write, stderr, stdin, stdout};
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use std::path::PathBuf;
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use std::process::Command;
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use std::str::FromStr;
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@ -456,7 +457,7 @@ enum StatusUpdate {
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StartCook(PackageName),
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Cooked(CookRecipe),
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FailCook(CookRecipe, String),
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PushLog(PackageName, String),
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PushLog(PackageName, Vec<u8>),
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FetchThreadFinished,
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CookThreadFinished,
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}
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@ -485,6 +486,7 @@ struct TuiApp {
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active_fetch: Option<PackageName>,
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active_cook: Option<PackageName>,
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logs: HashMap<PackageName, Vec<String>>,
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log_byte_buffer: HashMap<PackageName, Vec<u8>>,
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log_scroll: usize,
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log_view_job: JobType,
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auto_scroll: bool,
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@ -515,6 +517,7 @@ impl TuiApp {
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active_fetch: None,
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active_cook: None,
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logs: HashMap::new(),
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log_byte_buffer: HashMap::new(),
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log_scroll: 0,
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auto_scroll: true,
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log_view_job: JobType::Fetch,
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@ -538,6 +541,7 @@ impl TuiApp {
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StatusUpdate::StartFetch(name) => {
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self.active_fetch = Some(name.clone());
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self.logs.insert(name.clone(), Vec::new());
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self.log_byte_buffer.insert(name.clone(), Vec::new());
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self.log_scroll = 0;
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self.auto_scroll = true;
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(name.clone(), RecipeStatus::Fetching)
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@ -550,16 +554,21 @@ impl TuiApp {
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StatusUpdate::StartCook(name) => {
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self.active_cook = Some(name.clone());
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self.logs.insert(name.clone(), Vec::new());
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self.log_byte_buffer.insert(name.clone(), Vec::new());
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(name.clone(), RecipeStatus::Cooking)
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}
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StatusUpdate::PushLog(name, line) => {
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self.logs.entry(name.clone()).or_default().push(line);
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// No status change, just return the current state
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if let Some((_, status)) = self.recipes.iter().find(|(r, _)| r.name == name) {
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(name, status.clone())
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} else {
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return; // Should not happen
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StatusUpdate::PushLog(name, chunk) => {
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let buffer = self.log_byte_buffer.entry(name.clone()).or_default();
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buffer.extend_from_slice(&chunk);
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let log_list = self.logs.entry(name.clone()).or_default();
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while let Some(newline_pos) = buffer.iter().position(|&b| b == b'\n') {
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let line_bytes = buffer.drain(..=newline_pos).collect::<Vec<u8>>();
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let line_str = String::from_utf8_lossy(&line_bytes).into_owned();
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let line_str_pos = line_str.trim_end();
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let line_str = line_str_pos.rsplit('\r').next().unwrap_or(&line_str_pos);
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log_list.push(line_str.to_owned());
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}
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return;
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}
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StatusUpdate::Cooked(recipe) => {
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if self.active_cook.as_ref() == Some(&recipe.name) {
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@ -570,7 +579,6 @@ impl TuiApp {
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}
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StatusUpdate::FailCook(recipe, err) => {
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self.prompt = Some(FailurePrompt::new(recipe.clone(), err.clone()));
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(recipe.name.clone(), RecipeStatus::Failed(err))
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}
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StatusUpdate::FetchThreadFinished => {
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@ -892,8 +900,7 @@ fn run_tui_cook(
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);
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f.render_stateful_widget(cook_list, cook_chunk, &mut app.cook_list_state);
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let (active_name, log_text) = get_active_log(&app);
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let (active_name, log_text, log_line) = get_active_log(&app);
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let log_title = if let Some(active_name) = active_name {
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format!(
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" {} Log: {} ",
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@ -907,8 +914,8 @@ fn run_tui_cook(
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let mut enable_auto_scroll = false;
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let mut intended_scroll_pos = 0usize;
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let log_lines: Vec<Line> = if let Some(log_text) = log_text
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&& log_text.len() > 0
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let mut log_lines: Vec<Line> = if let Some(log_text) = log_text
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&& !log_text.is_empty()
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{
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let total_log_lines = log_text.len() as usize;
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@ -938,8 +945,7 @@ fn run_tui_cook(
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log_text[start..end]
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.iter()
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.map(|s| {
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let line_to_render = s.rsplit('\r').next().unwrap_or(s);
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let text_with_colors = line_to_render
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let text_with_colors = s
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.into_text()
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.unwrap_or_else(|_| Text::raw("--unrenderable line--"));
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text_with_colors
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@ -953,6 +959,18 @@ fn run_tui_cook(
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vec![Line::from("No logs yet")]
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};
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if let Some(buffer) = log_line
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&& !buffer.is_empty()
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{
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let text_with_colors = handle_cr(&buffer)
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.into_text()
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.unwrap_or_else(|_| Text::raw("--unrenderable line--"));
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if let Some(line) = text_with_colors.lines.into_iter().next() {
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log_lines.push(line);
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}
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}
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let instruct = format!(
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" Keys: [c] Stop [PageUp/Down] Scroll{}{} ",
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match app.auto_scroll {
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@ -993,11 +1011,16 @@ fn run_tui_cook(
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if let Some((app, res)) = handle_prompt_input(&event, &mut app) {
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prompting.swap(res as u32, Ordering::SeqCst);
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if res == PromptOption::Exit {
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let (name, log) = get_active_log(&app);
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let (name, log, line) = get_active_log(&app);
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if let Some(name) = name
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&& let Some(log) = log
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{
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app.dump_logs_on_exit = Some((name.to_owned(), log.join("\n")));
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let mut logs = log.join("\n");
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if let Some(line) = line {
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logs.push_str("\n");
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logs.push_str(handle_cr(&line));
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}
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app.dump_logs_on_exit = Some((name.to_owned(), logs));
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}
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running.store(false, Ordering::SeqCst);
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}
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@ -1030,19 +1053,36 @@ fn run_tui_cook(
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Ok(app.dump_logs_on_exit)
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}
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fn get_active_log(app: &TuiApp) -> (Option<PackageName>, Option<&Vec<String>>) {
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fn handle_cr<'a>(buffer: &'a Cow<'_, str>) -> &'a str {
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let st = buffer.trim_end();
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st.rsplit('\r').next().unwrap_or(&st)
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}
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fn get_active_log(
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app: &TuiApp,
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) -> (
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Option<PackageName>,
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Option<&Vec<String>>,
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Option<Cow<'_, str>>,
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) {
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let active_name = if app.log_view_job == JobType::Cook {
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app.active_cook.clone()
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} else {
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app.active_fetch.clone()
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};
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let log_text = if let Some(active_name) = &active_name {
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app.logs.get(active_name)
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} else {
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None
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};
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(active_name, log_text)
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let log_line = if let Some(active_name) = &active_name
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&& let Some(b) = app.log_byte_buffer.get(active_name)
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{
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Some(String::from_utf8_lossy(b))
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} else {
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None
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};
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(active_name, log_text, log_line)
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}
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fn handle_main_event(app: &mut TuiApp, event: &Event) {
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@ -1231,11 +1271,15 @@ fn spawn_log_reader<R>(
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R: Read + Send + 'static,
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{
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thread::spawn(move || {
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let reader = BufReader::new(&mut reader);
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for line in reader.lines() {
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let line_str = line.unwrap_or_else(|e| format!("[IO Error] {}", e));
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let mut buffer = [0; 1024];
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loop {
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let buf = match reader.read(&mut buffer) {
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Ok(0) => break,
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Ok(n) => buffer[..n].to_vec(),
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Err(e) => format!("[IO Error] {}", e).into_bytes(),
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};
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if status_tx
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.send(StatusUpdate::PushLog(package_name.clone(), line_str))
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.send(StatusUpdate::PushLog(package_name.clone(), buf))
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.is_err()
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{
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// TUI thread hung up
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