Use ureq instead of reqwest

[oleksandrvoyager]

No description provided.

[artob]

@race-of-sloths score 8

[race-of-sloths]

@oleksandrvoyager Thank you for your contribution! Your pull request is now a part of the Race of Sloths!

Current status: executed

Reviewer	Score
@artob	8

Your contribution is much appreciated with a final score of 8!
You have received 80 Sloth points for this contribution

@artob received 25 Sloth Points for reviewing and scoring this pull request.

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[Copilot]

Pull Request Overview

This PR replaces reqwest with ureq across HTTP, HTTPS, IPFS, and Git schemes and introduces a unified request abstraction with customizable headers.

• Introduce schemes/request.rs to centralize ureq agent creation and fetching logic.
• Refactor http.rs, https, ipfs.rs, and git.rs to use the new request module and support RequestConfig.
• Add RequestConfig in lib.rs and open_with_config in open.rs for passing custom headers to all schemes.

Reviewed Changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
lib/gofer/src/schemes/request.rs	New ureq agent builder and fetch functions
lib/gofer/src/schemes/ipfs.rs	IPFS open/open_with_config refactored to ureq
lib/gofer/src/schemes/http.rs	HTTP/HTTPS open functions refactored to ureq
lib/gofer/src/schemes/git.rs	Git open/open_with_config refactored to ureq
lib/gofer/src/schemes.rs	Register new request module under relevant features
lib/gofer/src/open.rs	Added open_with_config dispatch across schemes
lib/gofer/src/lib.rs	Defined RequestConfig type and methods
lib/gofer/src/error.rs	Switched error conversions from reqwest to ureq
lib/gofer/Cargo.toml	Removed reqwest dependency, added optional ureq

Comments suppressed due to low confidence (2)

lib/gofer/src/schemes/request.rs:13

• [nitpick] The parameter use_tls is semantically equivalent to secure used elsewhere; consider renaming it to secure for consistency across the API.

pub(crate) fn new_agent(use_tls: bool, tls_provider: Option<TlsProvider>) -> Agent {

lib/gofer/src/schemes/ipfs.rs:65

• There are no tests covering map_ipfs_url_to_gateway_url; adding unit tests for valid and invalid IPFS URL mappings would help prevent regressions.

fn map_ipfs_url_to_gateway_url(url_str: &str) -> Result<String> {