{"record":{"id":"8763a97f4534e5bf","repo":"GitoxideLabs/gitoxide","slug":"could-not-apply-conflict-stages-to-the-prepared-in","errorCode":null,"errorMessage":"could not apply conflict stages to the prepared index","messagePattern":"could not apply conflict stages to the prepared index","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"gix-tix/src/edit/rebase.rs","lineNumber":354,"sourceCode":"}\n\nimpl PersistedConflict {\n    pub(crate) fn map(&self, id: ObjectId) -> Option<ObjectId> {\n        self.rewritten.get(&id).copied().unwrap_or(Some(id))\n    }\n\n    pub(crate) fn materialize(&mut self) -> Result<()> {\n        let mut index = self\n            .repo\n            .index_from_tree(&self.merged_tree)\n            .context(\"could not prepare the conflicting index\")?;\n        if !gix::merge::tree::apply_index_entries(\n            &self.conflicts,\n            gix::merge::tree::TreatAsUnresolved::git(),\n            &mut index,\n            gix::merge::tree::apply_index_entries::RemovalMode::Prune,\n        ) {\n            anyhow::bail!(\"could not apply conflict stages to the prepared index\");\n        }\n        index.remove_tree();\n        let ours_tree = self\n            .repo\n            .find_commit(self.commit)\n            .context(\"could not find the conflicting commit\")?\n            .tree_id()\n            .context(\"could not read the conflicting commit tree\")?\n            .detach();\n        let workdir = self\n            .repo\n            .workdir()\n            .context(\"materializing a conflict requires a worktree\")?;\n        super::forget::apply_tree_transition(workdir, ours_tree, self.merged_tree)\n            .context(\"could not check out the conflicting merge result\")?;\n        if let Err(err) = index\n            .write(gix::index::write::Options::default())\n            .context(\"could not write the conflicting index\")","sourceCodeStart":336,"sourceCodeEnd":372,"githubUrl":"https://github.com/GitoxideLabs/gitoxide/blob/e73179060badf27222d790981fac3f84c1830a7e/gix-tix/src/edit/rebase.rs#L336-L372","documentation":"When a tix edit produces a conflict, the code rebuilds a tree representing the conflicted state by writing conflict stages into a prepared index via `gix::merge::tree::apply_index_entries`. That function returns success only if all stages could be applied consistently; on failure tix bails because it cannot materialize a faithful conflicted index/tree for the user.","triggerScenarios":"`apply_index_entries` returning `false` while constructing the conflict tree: the recorded conflict entries are inconsistent with the index (missing stages, mismatched modes/paths, or removals that cannot be pruned under `RemovalMode::Prune`).","commonSituations":"Conflicts involving type changes or delete/modify combinations that the conflict-application routine cannot represent; conflicts on paths already removed from the prepared index; unusual merge scenarios (rename/rename) producing stage sets the function rejects.","solutions":["Retry the edit; if it recurs, resolve the conflict manually in a normal rebase instead of via the interactive edit.","Avoid editing histories whose conflicts involve type changes or rename/rename cases; resolve those first with plain git.","Inspect the conflict entry set (stages/modes) feeding `apply_index_entries`; if a tix bug, report with a minimal reproduction repository."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"// Rust: fall back to a plain rebase when conflict materialization fails\nmatch edit_result {\n    Err(e) if e.to_string().contains(\"could not apply conflict stages\") => {\n        eprintln!(\"falling back to manual conflict resolution\");\n    }\n    other => other?,\n}","preventionTips":["Avoid interactive edits that will straddle type-change or rename/rename conflicts.","Resolve complex conflicts with plain git before/instead of tix edits."],"tags":["merge-conflict","index","git","rebase"],"backgroundTag":"merge-conflicts-unresolved","analyzedSha":"e73179060badf27222d790981fac3f84c1830a7e","analyzedAt":"2026-09-08T11:26:50.865Z","contentChangedAt":"2026-09-08T11:26:50.865Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}