forgejo-cli/src/main.rs
2024-09-05 12:04:29 -04:00

816 lines
24 KiB
Rust

use std::io::IsTerminal;
use clap::{Parser, Subcommand};
use eyre::{eyre, Context, OptionExt};
use tokio::io::AsyncWriteExt;
mod keys;
use keys::*;
mod auth;
mod issues;
mod prs;
mod release;
mod repo;
mod user;
mod wiki;
#[derive(Parser, Debug)]
pub struct App {
#[clap(long, short = 'H')]
host: Option<String>,
#[clap(long)]
style: Option<Style>,
#[clap(subcommand)]
command: Command,
}
#[derive(Subcommand, Clone, Debug)]
pub enum Command {
#[clap(subcommand)]
Repo(repo::RepoCommand),
Issue(issues::IssueCommand),
Pr(prs::PrCommand),
Wiki(wiki::WikiCommand),
#[command(name = "whoami")]
WhoAmI {
#[clap(long, short)]
remote: Option<String>,
},
#[clap(subcommand)]
Auth(auth::AuthCommand),
Release(release::ReleaseCommand),
User(user::UserCommand),
Version {
/// Checks for updates
#[clap(long)]
#[cfg(feature = "update-check")]
check: bool,
},
}
#[tokio::main]
async fn main() -> eyre::Result<()> {
let args = App::parse();
let _ = SPECIAL_RENDER.set(SpecialRender::new(args.style.unwrap_or_default()));
let mut keys = KeyInfo::load().await?;
let host_name = args.host.as_deref();
// let remote = repo::RepoInfo::get_current(host_name, remote_name)?;
match args.command {
Command::Repo(subcommand) => subcommand.run(&mut keys, host_name).await?,
Command::Issue(subcommand) => subcommand.run(&mut keys, host_name).await?,
Command::Pr(subcommand) => subcommand.run(&mut keys, host_name).await?,
Command::Wiki(subcommand) => subcommand.run(&mut keys, host_name).await?,
Command::WhoAmI { remote } => {
let url = repo::RepoInfo::get_current(host_name, None, remote.as_deref())
.wrap_err("could not find host, try specifying with --host")?
.host_url()
.clone();
let name = keys.get_login(&url)?.username();
let host = url
.host_str()
.ok_or_eyre("instance url does not have host")?;
if url.path() == "/" || url.path().is_empty() {
println!("currently signed in to {name}@{host}");
} else {
println!("currently signed in to {name}@{host}{}", url.path());
}
}
Command::Auth(subcommand) => subcommand.run(&mut keys, host_name).await?,
Command::Release(subcommand) => subcommand.run(&mut keys, host_name).await?,
Command::User(subcommand) => subcommand.run(&mut keys, host_name).await?,
Command::Version {
#[cfg(feature = "update-check")]
check,
} => {
println!("{}", env!("CARGO_PKG_VERSION"));
#[cfg(feature = "update-check")]
update_msg(check).await?;
}
}
keys.save().await?;
Ok(())
}
#[cfg(feature = "update-check")]
async fn update_msg(check: bool) -> eyre::Result<()> {
use std::cmp::Ordering;
if check {
let url = url::Url::parse("https://codeberg.org/")?;
let api = forgejo_api::Forgejo::new(forgejo_api::Auth::None, url)?;
let latest = api
.repo_get_latest_release("Cyborus", "forgejo-cli")
.await?;
let latest_tag = latest
.tag_name
.ok_or_eyre("latest release does not have name")?;
let latest_ver = latest_tag
.strip_prefix("v")
.unwrap_or(&latest_tag)
.parse::<semver::Version>()?;
let current_ver = env!("CARGO_PKG_VERSION").parse::<semver::Version>()?;
match current_ver.cmp(&latest_ver) {
Ordering::Less => {
let latest_url = latest
.html_url
.ok_or_eyre("latest release does not have url")?;
println!("New version available: {latest_ver}");
println!("Get it at {}", latest_url);
}
Ordering::Equal => {
println!("Up to date!");
}
Ordering::Greater => {
println!("You are ahead of the latest published version");
}
}
} else {
println!("Check for a new version with `fj version --check`");
}
Ok(())
}
async fn readline(msg: &str) -> eyre::Result<String> {
use std::io::Write;
print!("{msg}");
std::io::stdout().flush()?;
tokio::task::spawn_blocking(|| {
let mut input = String::new();
std::io::stdin().read_line(&mut input)?;
Ok(input)
})
.await?
}
async fn editor(contents: &mut String, ext: Option<&str>) -> eyre::Result<()> {
let editor = std::path::PathBuf::from(
std::env::var_os("EDITOR").ok_or_else(|| eyre!("unable to locate editor"))?,
);
let (mut file, path) = tempfile(ext).await?;
file.write_all(contents.as_bytes()).await?;
drop(file);
// Async block acting as a try/catch block so that the temp file is deleted even
// on errors
let res = async {
eprint!("waiting on editor\r");
let flags = get_editor_flags(&editor);
let status = tokio::process::Command::new(editor)
.args(flags)
.arg(&path)
.status()
.await?;
if !status.success() {
eyre::bail!("editor exited unsuccessfully");
}
*contents = tokio::fs::read_to_string(&path).await?;
eprint!(" \r");
Ok(())
}
.await;
tokio::fs::remove_file(path).await?;
res?;
Ok(())
}
fn get_editor_flags(editor_path: &std::path::Path) -> &'static [&'static str] {
let editor_name = match editor_path.file_stem().and_then(|s| s.to_str()) {
Some(name) => name,
None => return &[],
};
if editor_name == "code" {
return &["--wait"];
}
&[]
}
async fn tempfile(ext: Option<&str>) -> tokio::io::Result<(tokio::fs::File, std::path::PathBuf)> {
let filename = uuid::Uuid::new_v4();
let mut path = std::env::temp_dir().join(filename.to_string());
if let Some(ext) = ext {
path.set_extension(ext);
}
let file = tokio::fs::OpenOptions::new()
.create(true)
.read(true)
.write(true)
.open(&path)
.await?;
Ok((file, path))
}
fn ssh_url_parse(s: &str) -> Result<url::Url, url::ParseError> {
url::Url::parse(s).or_else(|_| {
let mut new_s = String::new();
new_s.push_str("ssh://");
let auth_end = s.find("@").unwrap_or(0);
new_s.push_str(&s[..auth_end]);
new_s.push_str(&s[..auth_end].replacen(":", "/", 1));
url::Url::parse(&new_s)
})
}
fn host_with_port(url: &url::Url) -> &str {
&url[url::Position::BeforeHost..url::Position::AfterPort]
}
use std::sync::OnceLock;
static SPECIAL_RENDER: OnceLock<SpecialRender> = OnceLock::new();
fn special_render() -> &'static SpecialRender {
SPECIAL_RENDER
.get()
.expect("attempted to get special characters before that was initialized")
}
#[derive(clap::ValueEnum, Clone, Copy, Debug, Default)]
enum Style {
/// Use special characters, and colors.
#[default]
Fancy,
/// No special characters and no colors. Always used in non-terminal contexts (i.e. pipes)
Minimal,
}
struct SpecialRender {
fancy: bool,
dash: char,
bullet: char,
body_prefix: char,
horiz_rule: char,
// Uncomment these as needed
// red: &'static str,
bright_red: &'static str,
// green: &'static str,
bright_green: &'static str,
// blue: &'static str,
bright_blue: &'static str,
// cyan: &'static str,
bright_cyan: &'static str,
yellow: &'static str,
// bright_yellow: &'static str,
// magenta: &'static str,
bright_magenta: &'static str,
black: &'static str,
dark_grey: &'static str,
light_grey: &'static str,
white: &'static str,
no_fg: &'static str,
reset: &'static str,
dark_grey_bg: &'static str,
// no_bg: &'static str,
hide_cursor: &'static str,
show_cursor: &'static str,
clear_line: &'static str,
italic: &'static str,
bold: &'static str,
strike: &'static str,
no_italic_bold: &'static str,
no_strike: &'static str,
}
impl SpecialRender {
fn new(display: Style) -> Self {
let is_tty = std::io::stdout().is_terminal();
match display {
_ if !is_tty => Self::minimal(),
Style::Fancy => Self::fancy(),
Style::Minimal => Self::minimal(),
}
}
fn fancy() -> Self {
Self {
fancy: true,
dash: '',
bullet: '',
body_prefix: '',
horiz_rule: '',
// red: "\x1b[31m",
bright_red: "\x1b[91m",
// green: "\x1b[32m",
bright_green: "\x1b[92m",
// blue: "\x1b[34m",
bright_blue: "\x1b[94m",
// cyan: "\x1b[36m",
bright_cyan: "\x1b[96m",
yellow: "\x1b[33m",
// bright_yellow: "\x1b[93m",
// magenta: "\x1b[35m",
bright_magenta: "\x1b[95m",
black: "\x1b[30m",
dark_grey: "\x1b[90m",
light_grey: "\x1b[37m",
white: "\x1b[97m",
no_fg: "\x1b[39m",
reset: "\x1b[0m",
dark_grey_bg: "\x1b[100m",
// no_bg: "\x1b[49",
hide_cursor: "\x1b[?25l",
show_cursor: "\x1b[?25h",
clear_line: "\x1b[2K",
italic: "\x1b[3m",
bold: "\x1b[1m",
strike: "\x1b[9m",
no_italic_bold: "\x1b[23m",
no_strike: "\x1b[29m",
}
}
fn minimal() -> Self {
Self {
fancy: false,
dash: '-',
bullet: '-',
body_prefix: '>',
horiz_rule: '-',
// red: "",
bright_red: "",
// green: "",
bright_green: "",
// blue: "",
bright_blue: "",
// cyan: "",
bright_cyan: "",
yellow: "",
// bright_yellow: "",
// magenta: "",
bright_magenta: "",
black: "",
dark_grey: "",
light_grey: "",
white: "",
no_fg: "",
reset: "",
dark_grey_bg: "",
// no_bg: "",
hide_cursor: "",
show_cursor: "",
clear_line: "",
italic: "",
bold: "",
strike: "~~",
no_italic_bold: "",
no_strike: "~~",
}
}
}
fn markdown(text: &str) -> String {
let SpecialRender {
fancy,
bullet,
horiz_rule,
bright_blue,
dark_grey_bg,
body_prefix,
..
} = *special_render();
if !fancy {
let mut out = String::new();
for line in text.lines() {
use std::fmt::Write;
let _ = writeln!(&mut out, "{body_prefix} {line}");
}
return out;
}
let arena = comrak::Arena::new();
let mut options = comrak::Options::default();
options.extension.strikethrough = true;
let root = comrak::parse_document(&arena, text, &options);
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum Side {
Start,
End,
}
let mut explore_stack = Vec::new();
let mut render_queue = Vec::new();
explore_stack.extend(root.reverse_children().map(|x| (x, Side::Start)));
while let Some((node, side)) = explore_stack.pop() {
if side == Side::Start {
explore_stack.push((node, Side::End));
explore_stack.extend(node.reverse_children().map(|x| (x, Side::Start)));
}
render_queue.push((node, side));
}
let mut list_numbers = Vec::new();
let (terminal_width, _) = crossterm::terminal::size().unwrap_or((80, 24));
let max_line_len = (terminal_width as usize - 2).min(80);
let mut links = Vec::new();
let mut ansi_printer = AnsiPrinter::new(max_line_len);
ansi_printer.pause_style();
ansi_printer.prefix();
ansi_printer.resume_style();
let mut iter = render_queue.into_iter().peekable();
while let Some((item, side)) = iter.next() {
use comrak::nodes::NodeValue;
use Side::*;
match (&item.data.borrow().value, side) {
(NodeValue::Paragraph, Start) => (),
(NodeValue::Paragraph, End) => {
if iter.peek().is_some_and(|(_, side)| *side == Start) {
ansi_printer.newline();
ansi_printer.newline();
}
}
(NodeValue::Text(s), Start) => ansi_printer.text(s),
(NodeValue::Link(_), Start) => {
ansi_printer.start_fg(bright_blue);
}
(NodeValue::Link(link), End) => {
use std::fmt::Write;
ansi_printer.stop_fg();
links.push(link.url.clone());
let _ = write!(&mut ansi_printer, "({})", links.len());
}
(NodeValue::Image(_), Start) => {
ansi_printer.start_fg(bright_blue);
}
(NodeValue::Image(link), End) => {
use std::fmt::Write;
ansi_printer.stop_fg();
links.push(link.url.clone());
let _ = write!(&mut ansi_printer, "({})", links.len());
}
(NodeValue::Code(code), Start) => {
ansi_printer.pause_style();
ansi_printer.start_bg(dark_grey_bg);
ansi_printer.text(&code.literal);
ansi_printer.resume_style();
}
(NodeValue::CodeBlock(code), Start) => {
if ansi_printer.cur_line_len != 0 {
ansi_printer.newline();
}
ansi_printer.pause_style();
ansi_printer.start_bg(dark_grey_bg);
ansi_printer.text(&code.literal);
ansi_printer.newline();
ansi_printer.resume_style();
ansi_printer.newline();
}
(NodeValue::BlockQuote, Start) => {
ansi_printer.blockquote_depth += 1;
ansi_printer.pause_style();
ansi_printer.prefix();
ansi_printer.resume_style();
}
(NodeValue::BlockQuote, End) => {
ansi_printer.blockquote_depth -= 1;
ansi_printer.newline();
}
(NodeValue::HtmlInline(html), Start) => {
ansi_printer.pause_style();
ansi_printer.text(html);
ansi_printer.resume_style();
}
(NodeValue::HtmlBlock(html), Start) => {
if ansi_printer.cur_line_len != 0 {
ansi_printer.newline();
}
ansi_printer.pause_style();
ansi_printer.text(&html.literal);
ansi_printer.newline();
ansi_printer.resume_style();
}
(NodeValue::Heading(heading), Start) => {
ansi_printer.reset();
ansi_printer.start_bold();
ansi_printer
.out
.extend(std::iter::repeat('#').take(heading.level as usize));
ansi_printer.out.push(' ');
ansi_printer.cur_line_len += heading.level as usize + 1;
}
(NodeValue::Heading(_), End) => {
ansi_printer.reset();
ansi_printer.newline();
ansi_printer.newline();
}
(NodeValue::List(list), Start) => {
if list.list_type == comrak::nodes::ListType::Ordered {
list_numbers.push(0);
}
}
(NodeValue::List(list), End) => {
if list.list_type == comrak::nodes::ListType::Ordered {
list_numbers.pop();
}
ansi_printer.newline();
}
(NodeValue::Item(list), Start) => {
if list.list_type == comrak::nodes::ListType::Ordered {
use std::fmt::Write;
let number: usize = if let Some(number) = list_numbers.last_mut() {
*number += 1;
*number
} else {
0
};
let _ = write!(&mut ansi_printer, "{number}. ");
} else {
ansi_printer.out.push(bullet);
ansi_printer.out.push(' ');
ansi_printer.cur_line_len += 2;
}
}
(NodeValue::Item(_), End) => {
ansi_printer.newline();
}
(NodeValue::LineBreak, Start) => ansi_printer.newline(),
(NodeValue::SoftBreak, Start) => ansi_printer.newline(),
(NodeValue::ThematicBreak, Start) => {
if ansi_printer.cur_line_len != 0 {
ansi_printer.newline();
}
ansi_printer
.out
.extend(std::iter::repeat(horiz_rule).take(max_line_len));
ansi_printer.newline();
ansi_printer.newline();
}
(NodeValue::Emph, Start) => ansi_printer.start_italic(),
(NodeValue::Emph, End) => ansi_printer.stop_italic(),
(NodeValue::Strong, Start) => ansi_printer.start_bold(),
(NodeValue::Strong, End) => ansi_printer.stop_bold(),
(NodeValue::Strikethrough, Start) => ansi_printer.start_strike(),
(NodeValue::Strikethrough, End) => ansi_printer.stop_strike(),
(NodeValue::Escaped, Start) => (),
(_, End) => (),
(_, Start) => ansi_printer.text("?TODO?"),
}
}
if !links.is_empty() {
ansi_printer.out.push('\n');
for (i, url) in links.into_iter().enumerate() {
use std::fmt::Write;
let _ = writeln!(&mut ansi_printer.out, "({}. {url} )", i + 1);
}
}
ansi_printer.out
}
#[derive(Default)]
struct RenderStyling {
bold: bool,
italic: bool,
strike: bool,
fg: Option<&'static str>,
bg: Option<&'static str>,
}
struct AnsiPrinter {
special_render: &'static SpecialRender,
out: String,
cur_line_len: usize,
max_line_len: usize,
blockquote_depth: usize,
style_frames: Vec<RenderStyling>,
}
impl AnsiPrinter {
fn new(max_line_len: usize) -> Self {
Self {
special_render: special_render(),
out: String::new(),
cur_line_len: 0,
max_line_len,
blockquote_depth: 0,
style_frames: vec![RenderStyling::default()],
}
}
fn text(&mut self, text: &str) {
let mut iter = text.lines().peekable();
while let Some(mut line) = iter.next() {
loop {
let this_len = line.chars().count();
if self.cur_line_len + this_len > self.max_line_len {
let mut split_at = self.max_line_len - self.cur_line_len;
loop {
if line.is_char_boundary(split_at) {
break;
}
split_at -= 1;
}
let split_at = line
.split_at(split_at)
.0
.char_indices()
.rev()
.find(|(_, c)| c.is_whitespace())
.map(|(i, _)| i)
.unwrap_or(split_at);
let (head, tail) = line.split_at(split_at);
self.out.push_str(head);
self.cur_line_len += split_at;
self.newline();
line = tail.trim_start();
} else {
self.out.push_str(line);
self.cur_line_len += this_len;
break;
}
}
if iter.peek().is_some() {
self.newline();
}
}
}
// Uncomment if needed
// fn current_fg(&self) -> Option<&'static str> {
// self.current_style().fg
// }
fn start_fg(&mut self, color: &'static str) {
self.current_style_mut().fg = Some(color);
self.out.push_str(color);
}
fn stop_fg(&mut self) {
self.current_style_mut().fg = None;
self.out.push_str(self.special_render.no_fg);
}
fn current_bg(&self) -> Option<&'static str> {
self.current_style().bg
}
fn start_bg(&mut self, color: &'static str) {
self.current_style_mut().bg = Some(color);
self.out.push_str(color);
}
// Uncomment if needed
// fn stop_bg(&mut self) {
// self.current_style_mut().bg = None;
// self.out.push_str(self.special_render.no_bg);
// }
fn is_bold(&self) -> bool {
self.current_style().bold
}
fn start_bold(&mut self) {
self.current_style_mut().bold = true;
self.out.push_str(self.special_render.bold);
}
fn stop_bold(&mut self) {
self.current_style_mut().bold = false;
self.out.push_str(self.special_render.reset);
if self.is_italic() {
self.out.push_str(self.special_render.italic);
}
if self.is_strike() {
self.out.push_str(self.special_render.strike);
}
}
fn is_italic(&self) -> bool {
self.current_style().italic
}
fn start_italic(&mut self) {
self.current_style_mut().italic = true;
self.out.push_str(self.special_render.italic);
}
fn stop_italic(&mut self) {
self.current_style_mut().italic = false;
self.out.push_str(self.special_render.no_italic_bold);
if self.is_bold() {
self.out.push_str(self.special_render.bold);
}
}
fn is_strike(&self) -> bool {
self.current_style().strike
}
fn start_strike(&mut self) {
self.current_style_mut().strike = true;
self.out.push_str(self.special_render.strike);
}
fn stop_strike(&mut self) {
self.current_style_mut().strike = false;
self.out.push_str(self.special_render.no_strike);
}
fn reset(&mut self) {
*self.current_style_mut() = RenderStyling::default();
self.out.push_str(self.special_render.reset);
}
fn pause_style(&mut self) {
self.out.push_str(self.special_render.reset);
self.style_frames.push(RenderStyling::default());
}
fn resume_style(&mut self) {
self.out.push_str(self.special_render.reset);
self.style_frames.pop();
if let Some(bg) = self.current_bg() {
self.out.push_str(bg);
}
if self.is_bold() {
self.out.push_str(self.special_render.bold);
}
if self.is_italic() {
self.out.push_str(self.special_render.italic);
}
if self.is_strike() {
self.out.push_str(self.special_render.strike);
}
}
fn newline(&mut self) {
if self.current_bg().is_some() {
self.out
.extend(std::iter::repeat(' ').take(self.max_line_len - self.cur_line_len));
}
self.pause_style();
self.out.push('\n');
self.prefix();
for _ in 0..self.blockquote_depth {
self.prefix();
}
self.resume_style();
self.cur_line_len = self.blockquote_depth * 2;
}
fn prefix(&mut self) {
self.out.push_str(self.special_render.dark_grey);
self.out.push(self.special_render.body_prefix);
self.out.push(' ');
}
fn current_style(&self) -> &RenderStyling {
self.style_frames.last().expect("Ran out of style frames")
}
fn current_style_mut(&mut self) -> &mut RenderStyling {
self.style_frames
.last_mut()
.expect("Ran out of style frames")
}
}
impl std::fmt::Write for AnsiPrinter {
fn write_str(&mut self, s: &str) -> std::fmt::Result {
self.text(s);
Ok(())
}
}