{"id":"beaec307325387d9","repo":"rust-lang/cargo","slug":"couldn-t-find-repository-name","errorCode":null,"errorMessage":"couldn't find repository name","messagePattern":"couldn't find repository name","errorType":"validation","errorClass":"anyhow::Error","httpStatus":null,"severity":"info","filePath":"src/sources/git/utils.rs","lineNumber":1656,"sourceCode":"                rev\n            } else {\n                debug!(\"can't use github fast path with `rev = \\\"{}\\\"`\", rev);\n                return Ok(FastPathRev::Indeterminate);\n            }\n        }\n    };\n\n    // This expects GitHub urls in the form `github.com/user/repo` and nothing\n    // else\n    let mut pieces = url\n        .path_segments()\n        .ok_or_else(|| anyhow!(\"no path segments on url\"))?;\n    let username = pieces\n        .next()\n        .ok_or_else(|| anyhow!(\"couldn't find username\"))?;\n    let repository = pieces\n        .next()\n        .ok_or_else(|| anyhow!(\"couldn't find repository name\"))?;\n    if pieces.next().is_some() {\n        anyhow::bail!(\"too many segments on URL\");\n    }\n\n    // Trim off the `.git` from the repository, if present, since that's\n    // optional for GitHub and won't work when we try to use the API as well.\n    let repository = repository.strip_suffix(\".git\").unwrap_or(repository);\n\n    let url = format!(\n        \"https://api.github.com/repos/{}/{}/commits/{}\",\n        username, repository, github_branch_name,\n    );\n    debug!(\"attempting GitHub fast path for {}\", url);\n    let mut request =\n        Request::get(url).header(http::header::ACCEPT, \"application/vnd.github.3.sha\");\n    if let Some(local_object) = local_object {\n        request = request.header(http::header::IF_NONE_MATCH, &format!(\"\\\"{local_object}\\\"\"));\n    }","sourceCodeStart":1638,"sourceCodeEnd":1674,"githubUrl":"https://github.com/rust-lang/cargo/blob/0e07a155371a6ce88ae53a2c00df940280c09a67/src/sources/git/utils.rs#L1638-L1674","documentation":"In `github_fast_path`, the second `pieces.next()` (the repository segment) returned `None` — i.e. the URL is `github.com/<user>` with no repository name. Same swallowed-fast-path semantics as 162/163: logged at `debug!`, never propagated, Cargo continues with the normal fetch.","triggerScenarios":"A GitHub git URL missing the repo segment, e.g. `https://github.com/org`. Reached only inside the GitHub fast path.","commonSituations":"Truncated/typo'd URL in a dependency or `[source]` config; copy-paste that dropped the repo; a bad mirror rewrite. The visible symptom is usually a later, real fetch error rather than this message.","solutions":["Correct the URL to `https://github.com/<user>/<repo>`.","Treat as non-fatal if you only see it in debug logs — the normal fetch path runs next."],"exampleFix":"# before\nfoo = { git = \"https://github.com/org\" }\n\n# after\nfoo = { git = \"https://github.com/org/foo\" }","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"// Same as 162/163: the caller logs and falls back.\nmatch github_fast_path(repo, url, reference, gctx) {\n    Ok(r) => r,\n    Err(e) => { debug!(\"failed to check github {:?}\", e); /* full fetch */ }\n}","preventionTips":["Ensure git dependency URLs include both user and repo segments.","Do not surface fast-path errors to end users."],"tags":["cargo","git","github-fast-path","url","internal"],"analyzedSha":"0e07a155371a6ce88ae53a2c00df940280c09a67","analyzedAt":"2026-08-06T01:46:58.334Z","schemaVersion":2}