{"record":{"id":"b4d2ba33fc7e60d3","repo":"gitbutlerapp/gitbutler","slug":"failed-to-find-remote-branch-s-corresponding-remot-b4d2ba","errorCode":null,"errorMessage":"Failed to find remote branch's corresponding remote","messagePattern":"Failed to find remote branch's corresponding remote","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"crates/gitbutler-branch/src/reference_ext.rs","lineNumber":32,"sourceCode":" /// `refs/heads/my-branch` -> `my-branch`\n /// `refs/remotes/origin/my-branch` -> `my-branch`\n /// `refs/remotes/Byron/gitbutler/my-branch` -> `my-branch` (where the remote is `Byron/gitbutler`)\n fn identity(&self, remotes: &gix::remote::Names) -> Result;\n}\n\nimpl ReferenceExtGix for &gix::refs::FullNameRef {\n fn identity(&self, remotes: &gix::remote::Names) -> Result {\n let (category, shorthand_name) = self\n .category_and_short_name()\n .context(\"Branch could not be categorized\")?;\n if !matches!(category, Category::RemoteBranch) {\n return Ok(shorthand_name.try_into()?);\n }\n\n let longest_remote = remotes\n .iter()\n .rfind(|reference_name| shorthand_name.starts_with(reference_name))\n .ok_or(anyhow::anyhow!(\n \"Failed to find remote branch's corresponding remote\"\n ))?;\n\n let shorthand_name: &BStr = shorthand_name\n .strip_prefix(longest_remote.as_bytes())\n .and_then(|str| str.strip_prefix(b\"/\"))\n .ok_or(anyhow::anyhow!(\n \"Failed to cut remote name {longest_remote} off of shorthand name {shorthand_name}\"\n ))?\n .into();\n\n Ok(shorthand_name.try_into()?)\n }\n}\n","sourceCodeStart":14,"sourceCodeEnd":47,"githubUrl":"https://github.com/gitbutlerapp/gitbutler/blob/caf1f223d3cfb94488c9198ad34487c6006c648f/crates/gitbutler-branch/src/reference_ext.rs#L14-L47","documentation":"Thrown by ReferenceExtGix::identity (crates/gitbutler-branch/src/reference_ext.rs) when a reference is categorized as refs/remotes// but its shorthand name does not start with any name in the passed gix::remote::Names set. The function needs the owning remote to strip it and produce a BranchIdentity, so an unresolvable remote prefix is fatal. Note the rfind relies on remote_names being sorted ascending by length (gix::Repository::remote_names() guarantees this) to pick the longest match.","triggerScenarios":"Calling ref.identity(&repo.remote_names()) on a remote-tracking ref whose remote is no longer configured, e.g. refs/remotes/old-remote/feature left behind after `git remote remove old-remote` or a remote rename; passing a remote_names set from a different repository than the ref came from; refs created manually with an arbitrary prefix under refs/remotes/ that matches no configured remote.","commonSituations":"A teammate renames the remote (origin -> upstream) and stale refs/remotes/origin/* remain; a remote was removed but `git remote prune` never ran; refs synced between machines where one machine lacks the remote in .git/config; tests constructing FullNameRef values without registering matching remotes in the repo config.","solutions":["Prune stale remote-tracking refs: `git remote prune ` (or `git fetch --prune`), or delete the orphan ref with `git update-ref -d refs/remotes//`","Re-add or rename back the remote so the ref prefix matches a configured remote: `git remote add `","If calling identity() yourself, filter refs first: skip refs under refs/remotes/ whose next path component is not in repo.remote_names()","If you control the data flow, pass remote_names from the same gix::Repository the reference was read from"],"exampleFix":"// before\nlet identity = ref.identity(&repo.remote_names())?; // errors on refs/remotes//x\n\n// after: skip stale remote-tracking refs whose remote no longer exists\nlet remotes = repo.remote_names();\nif let Ok((gix::refs::Category::RemoteBranch, _)) = ref.category_and_short_name()\n && !remotes.iter().any(|r| ref.as_bstr().starts_with(format!(\"refs/remotes/{r}/\").as_bytes()))\n{\n continue; // stray remote-tracking ref, remote not configured anymore\n}\nlet identity = ref.identity(&remotes)?;","handlingStrategy":"validation","validationCode":"let remotes = repo.remote_names(); // sorted by length ascending\nlet is_resolvable = |r: &gix::refs::FullNameRef| {\n match r.category_and_short_name() {\n Ok((gix::refs::Category::RemoteBranch, short)) => {\n remotes.iter().any(|name| short.starts_with(name))\n }\n Ok(_) => true, // non remote-tracking refs never hit this error\n Err(_) => false,\n }\n};\n// skip refs where is_resolvable(ref) == false before calling identity()","typeGuard":"fn has_configured_remote(r: &gix::refs::FullNameRef, remotes: &gix::remote::Names) -> bool {\n matches!(r.category_and_short_name(), Ok((gix::refs::Category::RemoteBranch, ref short))\n if remotes.iter().any(|name| short.starts_with(name)))\n}","tryCatchPattern":"for r in refs {\n match r.identity(&remotes) {\n Ok(id) => use(id),\n Err(err) if err.to_string().contains(\"corresponding remote\") => {\n tracing::warn!(\"stale remote-tracking ref {}, pruning suggested\", r.name);\n continue;\n }\n Err(err) => return Err(err),\n }\n}","preventionTips":["Run `git fetch --prune` (or set fetch.prune=true) so removed remotes leave no stray refs/remotes entries","Always pass remote_names from the same gix::Repository the reference came from","When iterating all references, filter to Category::RemoteBranch refs whose first component is a configured remote before resolving identities"],"tags":["git","refs","remote-tracking","gix","gitbutler"],"backgroundTag":"stale-remote-tracking-ref","analyzedSha":"caf1f223d3cfb94488c9198ad34487c6006c648f","analyzedAt":"2026-08-20T07:55:40.983Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}