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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
use super::*;
use std::{
collections::HashMap,
env,
ffi::OsStr,
fs::OpenOptions,
io::{self, Write},
path::{Path, PathBuf},
process::Command,
};
use anyhow::{anyhow, bail, Context, Result};
use dirs::home_dir;
use std::sync::LazyLock;
pub static SHELL: LazyLock<Shell> = LazyLock::new(detect_shell);
pub struct Shell {
pub name: String,
pub cmd: String,
pub arg: String,
}
impl Shell {
pub fn new(name: &str, cmd: &str, arg: &str) -> Self {
Self {
name: name.to_string(),
cmd: cmd.to_string(),
arg: arg.to_string(),
}
}
}
pub fn detect_shell() -> Shell {
let cmd = env::var(get_env_name("shell")).ok().or_else(|| {
if cfg!(windows) {
if let Ok(ps_module_path) = env::var("PSModulePath") {
let ps_module_path = ps_module_path.to_lowercase();
if ps_module_path.starts_with(r"c:\users") {
if ps_module_path.contains(r"\powershell\7\") {
return Some("pwsh.exe".to_string());
} else {
return Some("powershell.exe".to_string());
}
}
}
None
} else {
env::var("SHELL").ok()
}
});
let name = cmd
.as_ref()
.and_then(|v| Path::new(v).file_stem().and_then(|v| v.to_str()))
.map(|v| {
if v == "nu" {
"nushell".into()
} else {
v.to_lowercase()
}
});
let (cmd, name) = match (cmd.as_deref(), name.as_deref()) {
(Some(cmd), Some(name)) => (cmd, name),
_ => {
if cfg!(windows) {
("cmd.exe", "cmd")
} else {
("/bin/sh", "sh")
}
}
};
let shell_arg = match name {
"powershel" => "-Command",
"cmd" => "/C",
_ => "-c",
};
Shell::new(name, cmd, shell_arg)
}
pub fn run_command<T: AsRef<OsStr>>(
cmd: &str,
args: &[T],
envs: Option<HashMap<String, String>>,
) -> Result<i32> {
let status = Command::new(cmd)
.args(args.iter())
.envs(envs.unwrap_or_default())
.status()?;
Ok(status.code().unwrap_or_default())
}
pub fn run_command_with_output<T: AsRef<OsStr>>(
cmd: &str,
args: &[T],
envs: Option<HashMap<String, String>>,
) -> Result<(bool, String, String)> {
let output = Command::new(cmd)
.args(args.iter())
.envs(envs.unwrap_or_default())
.output()?;
let status = output.status;
let stdout = std::str::from_utf8(&output.stdout).context("Invalid UTF-8 in stdout")?;
let stderr = std::str::from_utf8(&output.stderr).context("Invalid UTF-8 in stderr")?;
Ok((status.success(), stdout.to_string(), stderr.to_string()))
}
pub fn run_loader_command(path: &str, extension: &str, loader_command: &str) -> Result<String> {
let cmd_args = shell_words::split(loader_command)
.with_context(|| anyhow!("Invalid document loader '{extension}': `{loader_command}`"))?;
let mut use_stdout = true;
let outpath = temp_file("-output-", "").display().to_string();
let cmd_args: Vec<_> = cmd_args
.into_iter()
.map(|mut v| {
if v.contains("$1") {
v = v.replace("$1", path);
}
if v.contains("$2") {
use_stdout = false;
v = v.replace("$2", &outpath);
}
v
})
.collect();
let cmd_eval = shell_words::join(&cmd_args);
debug!("run `{cmd_eval}`");
let (cmd, args) = cmd_args.split_at(1);
let cmd = &cmd[0];
if use_stdout {
let (success, stdout, stderr) =
run_command_with_output(cmd, args, None).with_context(|| {
format!("Unable to run `{cmd_eval}`, Perhaps '{cmd}' is not installed?")
})?;
if !success {
let err = if !stderr.is_empty() {
stderr
} else {
format!("The command `{cmd_eval}` exited with non-zero.")
};
bail!("{err}")
}
Ok(stdout)
} else {
let status = run_command(cmd, args, None).with_context(|| {
format!("Unable to run `{cmd_eval}`, Perhaps '{cmd}' is not installed?")
})?;
if status != 0 {
bail!("The command `{cmd_eval}` exited with non-zero.")
}
let contents = std::fs::read_to_string(&outpath)
.context("Failed to read file generated by the loader")?;
Ok(contents)
}
}
pub fn edit_file(editor: &str, path: &Path) -> Result<()> {
let mut child = Command::new(editor).arg(path).spawn()?;
child.wait()?;
Ok(())
}
pub fn append_to_shell_history(shell: &str, command: &str, exit_code: i32) -> io::Result<()> {
if let Some(history_file) = get_history_file(shell) {
let command = command.replace('\n', " ");
let now = now_timestamp();
let history_txt = if shell == "fish" {
format!("- cmd: {command}\n when: {now}")
} else if shell == "zsh" {
format!(": {now}:{exit_code};{command}",)
} else {
command
};
let mut file = OpenOptions::new()
.create(true)
.append(true)
.open(&history_file)?;
writeln!(file, "{}", history_txt)?;
}
Ok(())
}
fn get_history_file(shell: &str) -> Option<PathBuf> {
match shell {
"bash" | "sh" => env::var("HISTFILE")
.ok()
.map(PathBuf::from)
.or(Some(home_dir()?.join(".bash_history"))),
"zsh" => env::var("HISTFILE")
.ok()
.map(PathBuf::from)
.or(Some(home_dir()?.join(".zsh_history"))),
"nushell" => Some(dirs::config_dir()?.join("nushell").join("history.txt")),
"fish" => Some(
home_dir()?
.join(".local")
.join("share")
.join("fish")
.join("fish_history"),
),
"powershell" | "pwsh" => {
#[cfg(not(windows))]
{
Some(
home_dir()?
.join(".local")
.join("share")
.join("powershell")
.join("PSReadLine")
.join("ConsoleHost_history.txt"),
)
}
#[cfg(windows)]
{
Some(
dirs::data_dir()?
.join("Microsoft")
.join("Windows")
.join("PowerShell")
.join("PSReadLine")
.join("ConsoleHost_history.txt"),
)
}
}
"ksh" => Some(home_dir()?.join(".ksh_history")),
"tcsh" => Some(home_dir()?.join(".history")),
_ => None,
}
}
|
