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Add $env.CURRENT_FILE variable (#8861)

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Co-authored-by: Jelle Besseling <jelle@bigbridge.nl>
This commit is contained in:
Jelle Besseling 2023-04-13 22:33:29 +02:00 committed by GitHub
parent b2d7427d2d
commit 8ddebcb932
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 48 additions and 22 deletions
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4
crates/nu-cli/src/eval_file.rs
View File

@ -93,6 +93,10 @@ pub fn evaluate_file(
"FILE_PWD".to_string(),
Value::string(parent.to_string_lossy(), Span::unknown()),
);
stack.add_env_var(
"CURRENT_FILE".to_string(),
Value::string(file_path.to_string_lossy(), Span::unknown()),
);
let mut working_set = StateWorkingSet::new(engine_state);
trace!("parsing file: {}", file_path_str);

5
crates/nu-cmd-lang/src/core_commands/overlay/use_.rs
View File

@ -134,6 +134,11 @@ impl Command for OverlayUse {
callee_stack.add_env_var("FILE_PWD".to_string(), file_pwd);
}
if let Some(file_path) = &maybe_path {
let file_path = Value::string(file_path.to_string_lossy(), call.head);
callee_stack.add_env_var("CURRENT_FILE".to_string(), file_path);
}
let _ = eval_block(
engine_state,
&mut callee_stack,

17
crates/nu-cmd-lang/src/core_commands/use_.rs
View File

@ -72,16 +72,16 @@ impl Command for Use {
let module_arg_str = String::from_utf8_lossy(
engine_state.get_span_contents(&import_pattern.head.span),
);
let maybe_parent = if let Some(path) = find_in_dirs_env(
let maybe_file_path = find_in_dirs_env(
&module_arg_str,
engine_state,
caller_stack,
get_dirs_var_from_call(call),
)? {
path.parent().map(|p| p.to_path_buf()).or(None)
} else {
None
};
)?;
let maybe_parent = maybe_file_path
.as_ref()
.and_then(|path| path.parent().map(|p| p.to_path_buf()));
let mut callee_stack = caller_stack.gather_captures(&block.captures);
@ -91,6 +91,11 @@ impl Command for Use {
callee_stack.add_env_var("FILE_PWD".to_string(), file_pwd);
}
if let Some(file_path) = maybe_file_path {
let file_path = Value::string(file_path.to_string_lossy(), call.head);
callee_stack.add_env_var("CURRENT_FILE".to_string(), file_path);
}
// Run the block (discard the result)
let _ = eval_block(
engine_state,

2
crates/nu-command/src/env/let_env.rs vendored
View File

@ -51,7 +51,7 @@ impl Command for LetEnv {
.0
.into_value(call.head);
if env_var.item == "FILE_PWD" || env_var.item == "PWD" {
if env_var.item == "FILE_PWD" || env_var.item == "CURRENT_FILE" || env_var.item == "PWD" {
return Err(ShellError::AutomaticEnvVarSetManually {
envvar_name: env_var.item,
span: env_var.span,

16
crates/nu-command/src/env/load_env.rs vendored
View File

@ -42,28 +42,22 @@ impl Command for LoadEnv {
match arg {
Some((cols, vals)) => {
for (env_var, rhs) in cols.into_iter().zip(vals) {
if env_var == "FILE_PWD" {
let env_var_ = env_var.as_str();
if ["FILE_PWD", "CURRENT_FILE", "PWD"].contains(&env_var_) {
return Err(ShellError::AutomaticEnvVarSetManually {
envvar_name: env_var,
span: call.head,
});
}
if env_var == "PWD" {
return Err(ShellError::AutomaticEnvVarSetManually {
envvar_name: env_var,
span: call.head,
});
} else {
stack.add_env_var(env_var, rhs);
}
stack.add_env_var(env_var, rhs);
}
Ok(PipelineData::empty())
}
None => match input {
PipelineData::Value(Value::Record { cols, vals, .. }, ..) => {
for (env_var, rhs) in cols.into_iter().zip(vals) {
if env_var == "FILE_PWD" {
let env_var_ = env_var.as_str();
if ["FILE_PWD", "CURRENT_FILE"].contains(&env_var_) {
return Err(ShellError::AutomaticEnvVarSetManually {
envvar_name: env_var,
span: call.head,

15
crates/nu-command/src/env/source_env.rs vendored
View File

@ -47,7 +47,7 @@ impl Command for SourceEnv {
let block_id: i64 = call.req_parser_info(engine_state, caller_stack, "block_id")?;
// Set the currently evaluated directory (file-relative PWD)
let mut parent = if let Some(path) = find_in_dirs_env(
let file_path = if let Some(path) = find_in_dirs_env(
&source_filename.item,
engine_state,
caller_stack,
@ -57,11 +57,17 @@ impl Command for SourceEnv {
} else {
return Err(ShellError::FileNotFound(source_filename.span));
};
parent.pop();
let file_pwd = Value::string(parent.to_string_lossy(), call.head);
if let Some(parent) = file_path.parent() {
let file_pwd = Value::string(parent.to_string_lossy(), call.head);
caller_stack.add_env_var("FILE_PWD".to_string(), file_pwd);
caller_stack.add_env_var("FILE_PWD".to_string(), file_pwd);
}
caller_stack.add_env_var(
"CURRENT_FILE".to_string(),
Value::string(file_path.to_string_lossy(), call.head),
);
// Evaluate the block
let block = engine_state.get_block(block_id as usize).clone();
@ -81,6 +87,7 @@ impl Command for SourceEnv {
// Remove the file-relative PWD
caller_stack.remove_env_var(engine_state, "FILE_PWD");
caller_stack.remove_env_var(engine_state, "CURRENT_FILE");
result
}

11
tests/shell/environment/env.rs
View File

@ -126,6 +126,17 @@ fn has_file_pwd() {
})
}
#[test]
fn has_file_loc() {
Playground::setup("has_file_pwd", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContent("spam.nu", "$env.CURRENT_FILE")]);
let actual = nu!(cwd: dirs.test(), "nu spam.nu");
assert!(actual.out.ends_with("spam.nu"));
})
}
// FIXME: autoenv not currently implemented
#[ignore]
#[test]