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
/// Reactivate a pane in which the command has exited
///
/// # Manual
///
/// tmux ^3.0:
/// ```text
/// respawn-pane [-k] [-c start-directory] [-e environment] [-t target-pane] [shell-command]
/// (alias: respawnp)
/// ```
///
/// tmux ^2.6:
/// ```text
/// respawn-pane [-k] [-c start-directory] [-t target-pane] [shell-command]
/// (alias: respawnp)
/// ```
///
/// tmux ^1.5:
/// ```text
/// respawn-pane [-k] [-t target-pane] [shell-command]
/// (alias: respawnp)
/// ```
#[macro_export]
macro_rules! respawn_pane {
    // `[-k]` - any existing command is killed
    (@cmd ($cmd:expr) -k, $($tail:tt)*) => {{
        $crate::respawn_pane!(@cmd ({
            $cmd.kill()
        }) $($tail)*)
    }};
    // `[-c start-directory]` - start-directory
    (@cmd ($cmd:expr) -c $start_directory:expr, $($tail:tt)*) => {{
        $crate::respawn_pane!(@cmd ({
            $cmd.start_directory($start_directory)
        }) $($tail)*)
    }};
    // `[-e environment]` - environment
    (@cmd ($cmd:expr) -e $environment:expr, $($tail:tt)*) => {{
        $crate::respawn_pane!(@cmd ({
            $cmd.environment($environment)
        }) $($tail)*)
    }};
    // `[-t target-pane]` - target-pane
    (@cmd ($cmd:expr) -t $target_pane:expr, $($tail:tt)*) => {{
        $crate::respawn_pane!(@cmd ({
            $cmd.target_pane($target_pane)
        }) $($tail)*)
    }};
    // `[shell-command]` - shell-command
    (@cmd ($cmd:expr) $shell_command:expr, $($tail:tt)*) => {{
        $crate::respawn_pane!(@cmd ({
            $cmd.shell_command($shell_command)
        }) $($tail)*)
    }};
    //(@cmd ($cmd:expr) -$unknown:tt, $($tail:tt)*) => {{
        //::std::compile_error!("unknown flag, option or parameter: {}", $unknown);
    //}};
    (@cmd ($cmd:expr)) => {{
        $cmd
    }};
    () => {{
        $crate::RespawnPane::new()
    }};
    (($cmd:expr), $($tail:tt)*) => {{
        $crate::respawn_pane!(@cmd ($cmd) $($tail)*,)
    }};
    ($($tail:tt)*) => {{
        $crate::respawn_pane!(@cmd ({ $crate::RespawnPane::new() }) $($tail)*,)
    }};
}

#[test]
fn respawn_pane_macro() {
    use crate::TargetPane;
    use std::borrow::Cow;

    // Reactivate a pane in which the command has exited
    //
    // # Manual
    //
    // tmux ^3.0:
    // ```text
    // respawn-pane [-k] [-c start-directory] [-e environment] [-t target-pane] [shell-command]
    // (alias: respawnp)
    // ```
    //
    // tmux ^2.6:
    // ```text
    // respawn-pane [-k] [-c start-directory] [-t target-pane] [shell-command]
    // (alias: respawnp)
    // ```
    //
    // tmux ^1.5:
    // ```text
    // respawn-pane [-k] [-t target-pane] [shell-command]
    // (alias: respawnp)
    // ```
    let target_pane = TargetPane::Raw("3").to_string();

    let respawn_pane = respawn_pane!();
    #[cfg(feature = "tmux_1_5")]
    let respawn_pane = respawn_pane!((respawn_pane), -k);
    #[cfg(feature = "tmux_2_6")]
    let respawn_pane = respawn_pane!((respawn_pane), -c "1");
    #[cfg(feature = "tmux_3_0")]
    let respawn_pane = respawn_pane!((respawn_pane), -e "2");
    #[cfg(feature = "tmux_1_5")]
    let respawn_pane = respawn_pane!((respawn_pane), -t & target_pane);
    #[cfg(feature = "tmux_2_6")]
    let respawn_pane = respawn_pane!((respawn_pane), "4");

    #[cfg(not(feature = "cmd_alias"))]
    let cmd = "respawn-pane";
    #[cfg(feature = "cmd_alias")]
    let cmd = "respawnp";

    let mut s = Vec::new();
    s.push(cmd);
    #[cfg(feature = "tmux_1_5")]
    s.push("-k");
    #[cfg(feature = "tmux_2_6")]
    s.extend_from_slice(&["-c", "1"]);
    #[cfg(feature = "tmux_3_0")]
    s.extend_from_slice(&["-e", "2"]);
    #[cfg(feature = "tmux_1_5")]
    s.extend_from_slice(&["-t", "3"]);
    #[cfg(feature = "tmux_2_6")]
    s.push("4");
    let s: Vec<Cow<str>> = s.into_iter().map(|a| a.into()).collect();

    let respawn_pane = respawn_pane.build().to_vec();

    assert_eq!(respawn_pane, s);
}