lade 0.17.2

Automatically load secrets from your preferred vault as environment variables, and clear them once your shell command is over.
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

use std::io::IsTerminal;

use crate::args::Command;

/// How much interactive UI an invocation may emit.
///
/// `Hook` — `lade set` / `unset` run inside shell preexec/postexec. The shell
/// owns the TTY; stdin echo and line editing are unreliable (see
/// <https://github.com/fish-shell/fish-shell/issues/8484>). stdout is the shell
/// protocol (`export` / `unset`); stderr may show boxed warnings/errors.
///
/// `Interactive` — `lade inject` with both stdin and stderr attached to a TTY.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum UiMode {
    Hook,
    Interactive,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct InvocationContext {
    pub mode: UiMode,
    pub stdin_is_terminal: bool,
    pub stdout_is_terminal: bool,
    pub stderr_is_terminal: bool,
}

impl InvocationContext {
    pub fn from_command(command: &Command) -> Self {
        Self::with_tty(
            command,
            std::io::stdin().is_terminal(),
            std::io::stdout().is_terminal(),
            std::io::stderr().is_terminal(),
        )
    }

    pub fn with_tty(
        command: &Command,
        stdin_is_terminal: bool,
        stdout_is_terminal: bool,
        stderr_is_terminal: bool,
    ) -> Self {
        let mode = match command {
            Command::Inject(_) | Command::Approve { .. }
                if stderr_is_terminal && stdin_is_terminal =>
            {
                UiMode::Interactive
            }
            _ => UiMode::Hook,
        };
        Self {
            mode,
            stdin_is_terminal,
            stdout_is_terminal,
            stderr_is_terminal,
        }
    }

    pub fn is_interactive(&self) -> bool {
        self.mode == UiMode::Interactive
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::args::{DEFAULT_MASK_FORMAT, EvalCommand, InjectCommand};

    #[test]
    fn set_is_always_hook() {
        let ctx = InvocationContext::with_tty(
            &Command::Set(EvalCommand {
                commands: vec!["x".into()],
            }),
            true,
            true,
            true,
        );
        assert_eq!(ctx.mode, UiMode::Hook);
        assert!(!ctx.is_interactive());
    }

    #[test]
    fn unset_is_always_hook() {
        let ctx = InvocationContext::with_tty(
            &Command::Unset(EvalCommand {
                commands: vec!["x".into()],
            }),
            true,
            true,
            true,
        );
        assert_eq!(ctx.mode, UiMode::Hook);
    }

    #[test]
    fn inject_without_tty_is_hook() {
        let ctx = InvocationContext::with_tty(
            &Command::Inject(InjectCommand {
                no_mask: false,
                mask_format: DEFAULT_MASK_FORMAT.into(),
                commands: vec!["x".into()],
            }),
            false,
            false,
            false,
        );
        assert_eq!(ctx.mode, UiMode::Hook);
    }

    #[test]
    fn status_is_hook() {
        let ctx = InvocationContext::with_tty(
            &Command::Status(crate::args::StatusCommand {
                all: false,
                json: false,
            }),
            true,
            true,
            true,
        );
        assert_eq!(ctx.mode, UiMode::Hook);
    }

    #[test]
    fn approve_is_hook_without_tty() {
        let ctx =
            InvocationContext::with_tty(&Command::Approve { code: None }, false, false, false);
        assert_eq!(ctx.mode, UiMode::Hook);
    }
}