dotune 0.1.1

A cross-platform dotfile manager configured with Lua
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
151
152
153
154
155

use core::fmt;
use core::fmt::Display;
use std::path::{MAIN_SEPARATOR, Path, PathBuf};
use std::sync::Arc;

use colored::Colorize;

use crate::execution::{ExecutionLog, ValidationErrorContext};
use crate::model::SystemInfo;

pub struct Printer {
    system_info: Arc<SystemInfo>,
    previous_defined_in: Option<PathBuf>,
}

impl Printer {
    pub fn new(system_info: Arc<SystemInfo>) -> Self {
        Self {
            system_info,
            previous_defined_in: None,
        }
    }

    pub fn print_error(&self, error: impl Display) {
        eprintln!("{} {error}", Label::Error);
    }

    pub fn print_validation_error(&mut self, error: ValidationErrorContext) {
        self.eprint_config(&error.defined_in);
        self.print_error(error.error);
    }

    pub fn print_execution_log(&mut self, defined_in: &Path, log: ExecutionLog) {
        self.eprint_config(defined_in);

        match log {
            ExecutionLog::DirectoryCreated(path) => {
                println!("{} {}", Label::Created, self.display_path(&path));
            }
            ExecutionLog::PathDeleted(path) => {
                println!("{} {}", Label::Deleted, self.display_path(&path));
            }
            ExecutionLog::SymlinkCreated {
                source_path,
                destination_path,
            } => {
                println!(
                    "{} {} {} {}",
                    Label::Linked,
                    self.display_path(&source_path),
                    Label::Arrow,
                    self.display_path(&destination_path)
                );
            }
            ExecutionLog::SymlinkRecreated {
                source_path,
                destination_path,
            } => {
                println!(
                    "{} {} {} {}",
                    Label::Relinked,
                    self.display_path(&source_path),
                    Label::Arrow,
                    self.display_path(&destination_path)
                );
            }
            ExecutionLog::Copied {
                source_path,
                destination_path,
            } => {
                println!(
                    "{} {} {} {}",
                    Label::Copied,
                    self.display_path(&source_path),
                    Label::Arrow,
                    self.display_path(&destination_path)
                );
            }
            ExecutionLog::Error {
                operation,
                error,
                source_path,
                destination_path,
            } => {
                eprintln!(
                    "{} could not {} {} {} {}: {}",
                    Label::Error,
                    operation,
                    self.display_path(&source_path),
                    Label::Arrow,
                    self.display_path(&destination_path),
                    error
                );
            }
        }
    }

    fn eprint_config(&mut self, defined_in: &Path) {
        if self.previous_defined_in.as_deref() == Some(defined_in) {
            return;
        }

        let path = self.display_path(defined_in).to_string().dimmed();

        eprintln!("{} {path}", Label::Comment);

        self.previous_defined_in = Some(defined_in.to_owned());
    }

    fn display_path(&self, path: &Path) -> impl fmt::Display {
        fmt::from_fn(|formatter| {
            if let Ok(relative) = path.strip_prefix(self.system_info.cwd.as_ref()) {
                return relative.display().fmt(formatter);
            }

            if let Ok(relative) = path.strip_prefix(self.system_info.home.as_ref()) {
                formatter.write_str("~")?;
                if relative.is_empty() {
                    return Ok(());
                }
                return write!(formatter, "{}{}", MAIN_SEPARATOR, relative.display());
            }

            path.display().fmt(formatter)
        })
    }
}

enum Label {
    Linked,
    Relinked,
    Copied, // TODO: would be correct to tell "copied over" for dirs
    Deleted,
    Created,
    Error,
    Arrow,
    Comment,
}

impl fmt::Display for Label {
    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
        let label = match self {
            Self::Linked => "ln".purple(),
            Self::Relinked => "ln".blue(),
            Self::Copied => "cp".yellow(),
            Self::Deleted => "rm".yellow(),
            Self::Created => "mkdir".purple(),
            Self::Error => "error".red(),
            Self::Arrow => "->".blue(),
            Self::Comment => "#".dimmed(),
        };

        fmt::Display::fmt(&label, formatter)
    }
}