rustpm 0.2.0

A fast, friendly APT frontend with kernel, desktop, and sources management
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

use anyhow::{Context, Result};
use std::io::{BufRead, BufReader};
use std::process::{Command, ExitStatus, Stdio};
use std::sync::mpsc;
use std::thread;

use super::parser::{parse_dry_run_output, PackageChange};

#[derive(Debug, Clone)]
pub enum AptOperation {
    Update,
    Upgrade { full: bool },
    Install(Vec<String>),
    Remove(Vec<String>),
    Purge(Vec<String>),
}

impl AptOperation {
    fn apt_args(&self) -> Vec<String> {
        match self {
            AptOperation::Update => vec!["update".into()],
            AptOperation::Upgrade { full } => {
                if *full {
                    vec!["full-upgrade".into(), "-y".into()]
                } else {
                    vec!["upgrade".into(), "-y".into()]
                }
            }
            AptOperation::Install(pkgs) => {
                let mut args = vec!["install".into(), "-y".into()];
                args.extend(pkgs.iter().cloned());
                args
            }
            AptOperation::Remove(pkgs) => {
                let mut args = vec!["remove".into(), "-y".into()];
                args.extend(pkgs.iter().cloned());
                args
            }
            AptOperation::Purge(pkgs) => {
                let mut args = vec!["purge".into(), "-y".into()];
                args.extend(pkgs.iter().cloned());
                args
            }
        }
    }

    fn dry_run_args(&self) -> Option<Vec<String>> {
        match self {
            AptOperation::Update => None,
            AptOperation::Upgrade { full } => {
                let sub = if *full { "full-upgrade" } else { "upgrade" };
                Some(vec![sub.into(), "--simulate".into()])
            }
            AptOperation::Install(pkgs) => {
                let mut args = vec!["install".into(), "--simulate".into()];
                args.extend(pkgs.iter().cloned());
                Some(args)
            }
            AptOperation::Remove(pkgs) => {
                let mut args = vec!["remove".into(), "--simulate".into()];
                args.extend(pkgs.iter().cloned());
                Some(args)
            }
            AptOperation::Purge(pkgs) => {
                let mut args = vec!["purge".into(), "--simulate".into()];
                args.extend(pkgs.iter().cloned());
                Some(args)
            }
        }
    }
}

/// Run a dry-run simulation and return the parsed package changes.
pub fn dry_run(op: &AptOperation) -> Result<Vec<PackageChange>> {
    let args = match op.dry_run_args() {
        Some(a) => a,
        None => return Ok(vec![]),
    };

    let output = Command::new("apt-get")
        .args(&args)
        .output()
        .context("failed to run apt-get --simulate")?;

    let stdout = String::from_utf8_lossy(&output.stdout);
    let stderr = String::from_utf8_lossy(&output.stderr);

    if !output.status.success() {
        let msg = if stderr.is_empty() {
            stdout.to_string()
        } else {
            stderr.to_string()
        };
        anyhow::bail!("{}", msg.trim());
    }

    Ok(parse_dry_run_output(&stdout))
}

/// Execute an apt-get operation, streaming output lines via `tx`.
/// Pass `None` for `tx` to inherit stdout/stderr directly (non-TUI mode).
pub fn execute(op: &AptOperation, tx: Option<mpsc::Sender<String>>) -> Result<ExitStatus> {
    let args = op.apt_args();

    match tx {
        None => {
            // Non-TUI: inherit terminal
            let status = Command::new("apt-get")
                .args(&args)
                .status()
                .context("failed to run apt-get")?;
            Ok(status)
        }
        Some(sender) => {
            // TUI: pipe and stream lines
            let mut child = Command::new("apt-get")
                .args(&args)
                .stdout(Stdio::piped())
                .stderr(Stdio::piped())
                .spawn()
                .context("failed to spawn apt-get")?;

            let stdout = child.stdout.take().unwrap();
            let stderr = child.stderr.take().unwrap();

            let tx1 = sender.clone();
            let tx2 = sender;

            let t1 = thread::spawn(move || {
                let reader = BufReader::new(stdout);
                for line in reader.lines().map_while(Result::ok) {
                    let _ = tx1.send(line);
                }
            });

            let t2 = thread::spawn(move || {
                let reader = BufReader::new(stderr);
                for line in reader.lines().map_while(Result::ok) {
                    let _ = tx2.send(line);
                }
            });

            let status = child.wait().context("apt-get process error")?;
            let _ = t1.join();
            let _ = t2.join();

            Ok(status)
        }
    }
}