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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| use tame_index::krate::IndexKrate; | ||
|
|
||
| pub struct CratesIoIndex { | ||
| index: RemoteIndex, | ||
| cache: std::collections::HashMap<String, Option<IndexKrate>>, | ||
| } | ||
|
|
||
| impl CratesIoIndex { | ||
| #[inline] | ||
| pub fn open() -> Result<Self, crate::error::CliError> { | ||
| Ok(Self { | ||
| index: RemoteIndex::open()?, | ||
| cache: Default::default(), | ||
| }) | ||
| } | ||
|
|
||
| /// Determines if the specified crate exists in the crates.io index | ||
| #[inline] | ||
| pub fn has_krate(&mut self, name: &str) -> Result<bool, crate::error::CliError> { | ||
| Ok(self.krate(name)?.map(|_| true).unwrap_or(false)) | ||
| } | ||
|
|
||
| /// Determines if the specified crate version exists in the crates.io index | ||
| #[inline] | ||
| pub fn has_krate_version( | ||
| &mut self, | ||
| name: &str, | ||
| version: &str, | ||
| ) -> Result<Option<bool>, crate::error::CliError> { | ||
| let krate = self.krate(name)?; | ||
| Ok(krate.map(|ik| ik.versions.iter().any(|iv| iv.version == version))) | ||
| } | ||
|
|
||
| #[inline] | ||
| pub fn update_krate(&mut self, name: &str) { | ||
| self.cache.remove(name); | ||
| } | ||
|
|
||
| pub(crate) fn krate( | ||
| &mut self, | ||
| name: &str, | ||
| ) -> Result<Option<IndexKrate>, crate::error::CliError> { | ||
| if let Some(entry) = self.cache.get(name) { | ||
| log::trace!("Reusing index for {name}"); | ||
| return Ok(entry.clone()); | ||
| } | ||
|
|
||
| log::trace!("Downloading index for {name}"); | ||
| let entry = self.index.krate(name)?; | ||
| self.cache.insert(name.to_owned(), entry.clone()); | ||
| Ok(entry) | ||
| } | ||
| } | ||
|
|
||
| pub struct RemoteIndex { | ||
| index: tame_index::SparseIndex, | ||
| client: reqwest::blocking::Client, | ||
| etags: Vec<(String, String)>, | ||
| } | ||
|
|
||
| impl RemoteIndex { | ||
| #[inline] | ||
| pub fn open() -> Result<Self, crate::error::CliError> { | ||
| let index = tame_index::SparseIndex::new(tame_index::IndexLocation::new( | ||
| tame_index::IndexUrl::CratesIoSparse, | ||
| ))?; | ||
| let client = reqwest::blocking::ClientBuilder::new() | ||
| .http2_prior_knowledge() | ||
| .build()?; | ||
|
|
||
| Ok(Self { | ||
| index, | ||
| client, | ||
| etags: Vec::new(), | ||
| }) | ||
| } | ||
|
|
||
| pub(crate) fn krate( | ||
| &mut self, | ||
| name: &str, | ||
| ) -> Result<Option<IndexKrate>, crate::error::CliError> { | ||
| let etag = self | ||
| .etags | ||
| .iter() | ||
| .find_map(|(krate, etag)| (krate == name).then_some(etag.as_str())) | ||
| .unwrap_or(""); | ||
|
|
||
| let krate_name = name.try_into()?; | ||
| let req = self.index.make_remote_request(krate_name, Some(etag))?; | ||
| let res = self.client.execute(req.try_into()?)?; | ||
|
|
||
| // Grab the etag if it exists for future requests | ||
| if let Some(etag) = res.headers().get(reqwest::header::ETAG) { | ||
| if let Ok(etag) = etag.to_str() { | ||
| if let Some(i) = self.etags.iter().position(|(krate, _)| krate == name) { | ||
| self.etags[i].1 = etag.to_owned(); | ||
| } else { | ||
| self.etags.push((name.to_owned(), etag.to_owned())); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| let mut builder = tame_index::external::http::Response::builder() | ||
| .status(res.status()) | ||
| .version(res.version()); | ||
|
|
||
| builder | ||
| .headers_mut() | ||
| .unwrap() | ||
| .extend(res.headers().iter().map(|(k, v)| (k.clone(), v.clone()))); | ||
|
|
||
| let body = res.bytes()?; | ||
| let response = builder | ||
| .body(body.to_vec()) | ||
| .map_err(|e| tame_index::Error::from(tame_index::error::HttpError::from(e)))?; | ||
|
|
||
| self.index | ||
| .parse_remote_response(krate_name, response, false) | ||
| .map_err(Into::into) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,7 @@ | ||
| pub mod cargo; | ||
| pub mod cmd; | ||
| pub mod git; | ||
| pub mod index; | ||
| pub mod replace; | ||
| pub mod shell; | ||
| pub mod version; |
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