Allow path relative-to to use parent directory symbols

This commit is contained in:
Vivek Kethineni 2024-10-10 17:43:26 -05:00
parent 3bedbd0669
commit fd2430062f

View File

@ -144,14 +144,41 @@ path."#
fn relative_to(path: &Path, span: Span, args: &Arguments) -> Value {
let lhs = expand_to_real_path(path);
let rhs = expand_to_real_path(&args.path.item);
match lhs.strip_prefix(&rhs) {
Ok(p) => Value::string(p.to_string_lossy(), span),
Err(e) => Value::error(
ShellError::CantConvert {
to_type: e.to_string(),
from_type: "string".into(),
match (lhs.to_str(), rhs.to_str()) {
(Some(child_str), Some(parent_str)) => {
let common: String = child_str
.split("/")
.zip(parent_str.split("/"))
.take_while(|(x, y)| x == y)
.map(|(x, _)| x.to_string() + "/")
.collect();
if let Some(x) = child_str.strip_prefix(&common) {
if parent_str == common.trim_end_matches("/") {
return Value::string(x.to_string(), span);
}
if let Some(remaining_parent) = parent_str.strip_prefix(&common) {
let mut path: String = remaining_parent.split("/").map(|_| "../").collect();
path.push_str(x);
return Value::string(path.to_string(), span);
}
}
Value::error(
ShellError::IncorrectValue {
msg: "Either the input or the argument path is incorrect".into(),
val_span: span,
call_span: span,
},
span,
help: None,
)
}
_ => Value::error(
ShellError::IncorrectValue {
msg: "Either the input or the argument path is incorrect".into(),
val_span: span,
call_span: span,
},
span,
),