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Clean up some unwraps (#1147)

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This commit is contained in:
Jonathan Turner
2020-01-02 09:45:32 +13:00
committed by GitHub
parent 25298d35e4
commit aa577bf9bf
10 changed files with 183 additions and 98 deletions
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26
crates/nu_plugin_fetch/src/main.rs
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@ -63,7 +63,13 @@ impl Plugin for Fetch {
fn filter(&mut self, value: Value) -> Result<Vec<ReturnValue>, ShellError> {
Ok(vec![block_on(fetch_helper(
&self.path.clone().unwrap(),
&self.path.clone().ok_or_else(|| {
ShellError::labeled_error(
"internal error: path not set",
"path not set",
&value.tag,
)
})?,
self.has_raw,
value,
))])
@ -93,7 +99,7 @@ async fn fetch_helper(path: &Value, has_raw: bool, row: Value) -> ReturnValue {
if let Err(e) = result {
return Err(e);
}
let (file_extension, contents, contents_tag) = result.unwrap();
let (file_extension, contents, contents_tag) = result?;
let file_extension = if has_raw {
None
@ -131,7 +137,13 @@ pub async fn fetch(
match response {
Ok(mut r) => match r.headers().get("content-type") {
Some(content_type) => {
let content_type = Mime::from_str(content_type).unwrap();
let content_type = Mime::from_str(content_type).map_err(|_| {
ShellError::labeled_error(
format!("MIME type unknown: {}", content_type),
"given unknown MIME type",
span,
)
})?;
match (content_type.type_(), content_type.subtype()) {
(mime::APPLICATION, mime::XML) => Ok((
Some("xml".to_string()),
@ -225,7 +237,13 @@ pub async fn fetch(
)),
(mime::TEXT, mime::PLAIN) => {
let path_extension = url::Url::parse(location)
.unwrap()
.map_err(|_| {
ShellError::labeled_error(
format!("Cannot parse URL: {}", location),
"cannot parse",
span,
)
})?
.path_segments()
.and_then(|segments| segments.last())
.and_then(|name| if name.is_empty() { None } else { Some(name) })