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Make g - switch to the last used shell (#6249)

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* Make `g -` switch to the last used shell

Related #6223

Signed-off-by: nibon7 <nibon7@163.com>

* simplify error handling

Signed-off-by: nibon7 <nibon7@163.com>

* update NUSHELL_LAST_SHELL environment

Signed-off-by: nibon7 <nibon7@163.com>

* add test

Signed-off-by: nibon7 <nibon7@163.com>

* fix description

Signed-off-by: nibon7 <nibon7@163.com>
This commit is contained in:
nibon7
2022-08-06 23:11:03 +08:00
committed by GitHub
parent a871f2344a
commit 1ba5b25b29
8 changed files with 148 additions and 9 deletions
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14
crates/nu-cli/src/repl.rs
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@ -395,9 +395,23 @@ pub fn evaluate_repl(
0
};
let last_shell = stack.get_env_var(engine_state, "NUSHELL_LAST_SHELL");
let last_shell = if let Some(v) = last_shell {
v.as_integer().unwrap_or_default() as usize
} else {
0
};
shells[current_shell] = Value::String { val: path, span };
stack.add_env_var("NUSHELL_SHELLS".into(), Value::List { vals: shells, span });
stack.add_env_var(
"NUSHELL_LAST_SHELL".into(),
Value::Int {
val: last_shell as i64,
span,
},
);
} else {
trace!("eval source: {}", s);