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@ -4322,9 +4322,46 @@ fn shell_keep_pipe(cx: &mut Context) {
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shell(cx, "keep-pipe:".into(), ShellBehavior::Filter);
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}
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fn shell(cx: &mut Context, prompt: Cow<'static, str>, behavior: ShellBehavior) {
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fn shell_impl(
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shell: &[String],
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cmd: &str,
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input: Option<&[u8]>,
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) -> anyhow::Result<(Tendril, bool)> {
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use std::io::Write;
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use std::process::{Command, Stdio};
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let mut process = match Command::new(&shell[0])
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.args(&shell[1..])
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.arg(cmd)
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.stderr(Stdio::piped())
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.spawn()
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{
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Ok(process) => process,
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Err(e) => {
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log::error!("Failed to start shell: {}", e);
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return Err(e.into());
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}
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};
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if let Some(input) = input {
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let mut stdin = process.stdin.take().unwrap();
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stdin.write_all(input)?;
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}
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let output = process.wait_with_output()?;
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if !output.status.success() {
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if !output.stderr.is_empty() {
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log::error!("Shell error: {}", String::from_utf8_lossy(&output.stderr));
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}
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bail!("Command failed");
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}
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let tendril = Tendril::try_from_byte_slice(&output.stdout)
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.map_err(|_| anyhow!("Process did not output valid UTF-8"))?;
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Ok((tendril, output.status.success()))
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}
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fn shell(cx: &mut Context, prompt: Cow<'static, str>, behavior: ShellBehavior) {
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if cx.editor.config.shell.is_empty() {
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cx.editor.set_error("No shell set".to_owned());
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return;
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@ -4338,67 +4375,40 @@ fn shell(cx: &mut Context, prompt: Cow<'static, str>, behavior: ShellBehavior) {
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Some('|'),
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|_input: &str| Vec::new(),
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move |cx: &mut compositor::Context, input: &str, event: PromptEvent| {
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let shell = &cx.editor.config.shell;
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if event != PromptEvent::Validate {
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return;
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}
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let shell = &cx.editor.config.shell;
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let (view, doc) = current!(cx.editor);
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let selection = doc.selection(view.id);
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let mut changes = Vec::with_capacity(selection.len());
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let text = doc.text().slice(..);
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for range in selection.ranges() {
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let mut process = match Command::new(&shell[0])
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.args(&shell[1..])
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.arg(input)
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.stderr(Stdio::piped())
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.spawn()
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{
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Ok(process) => process,
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Err(e) => {
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log::error!("Failed to start shell: {}", e);
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cx.editor.set_error("Failed to start shell".to_owned());
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return;
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}
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};
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if pipe {
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let stdin = process.stdin.as_mut().unwrap();
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let fragment = range.fragment(doc.text().slice(..));
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stdin.write_all(fragment.as_bytes()).unwrap();
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}
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let output = process.wait_with_output().unwrap();
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if behavior != ShellBehavior::Filter {
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if !output.status.success() {
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if !output.stderr.is_empty() {
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log::error!("Shell error: {}", String::from_utf8_lossy(&output.stderr));
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}
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cx.editor.set_error("Command failed".to_owned());
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return;
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}
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let tendril = match Tendril::try_from_byte_slice(&output.stdout) {
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Ok(tendril) => tendril,
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Err(_) => {
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cx.editor
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.set_error("Process did not output valid UTF-8".to_owned());
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let fragment = range.fragment(text);
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let (output, success) =
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match shell_impl(shell, input, pipe.then(|| fragment.as_bytes())) {
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Ok(result) => result,
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Err(err) => {
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cx.editor.set_error(err.to_string());
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return;
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}
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};
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if behavior != ShellBehavior::Filter {
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let (from, to) = match behavior {
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ShellBehavior::Replace => (range.from(), range.to()),
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ShellBehavior::Insert => (range.from(), range.from()),
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ShellBehavior::Append => (range.to(), range.to()),
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_ => (range.from(), range.from()),
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};
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changes.push((from, to, Some(tendril)));
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changes.push((from, to, Some(output)));
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} else {
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// if the process exits successfully, keep the selection, otherwise delete it.
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let keep = output.status.success();
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changes.push((
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range.from(),
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if keep { range.from() } else { range.to() },
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if success { range.from() } else { range.to() },
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None,
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));
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}
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