{"record":{"id":"e3fa0f7f401905f4","repo":"GitoxideLabs/gitoxide","slug":"error","errorCode":null,"errorMessage":"{}","messagePattern":"\\{\\}","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"gix-tix/src/edit/forget.rs","lineNumber":137,"sourceCode":"        )),\n        gix::tempfile::ContainingDirectory::Exists,\n        gix::tempfile::AutoRemove::Tempfile,\n    )\n    .context(\"could not create a temporary index for forget preflight\")?;\n    index\n        .write_all(&std::fs::read(repo.index_path()).context(\"could not read the index before forgetting\")?)\n        .context(\"could not copy the index for forget preflight\")?;\n    index.flush().context(\"could not flush the forget preflight index\")?;\n    let index = index.take().context(\"the forget preflight index disappeared\")?;\n    let refresh = Command::new(\"git\")\n        .arg(\"-C\")\n        .arg(workdir)\n        .env(\"GIT_INDEX_FILE\", index.path())\n        .args([\"update-index\", \"-q\", \"--refresh\"])\n        .output()\n        .context(\"could not refresh the index before forgetting\")?;\n    if !refresh.status.success() {\n        anyhow::bail!(\"{}\", refresh.stderr.to_str_lossy().trim());\n    }\n    run_read_tree(workdir, Some(index.path()), true, old, new)\n        .context(\"local changes conflict with forgetting this commit\")\n}\n\npub(super) fn apply_tree_transition(workdir: &Path, old: ObjectId, new: ObjectId) -> Result<()> {\n    let refresh = Command::new(\"git\")\n        .arg(\"-C\")\n        .arg(workdir)\n        .args([\"update-index\", \"-q\", \"--refresh\"])\n        .output()\n        .context(\"could not refresh the index before applying forget\")?;\n    if !refresh.status.success() {\n        anyhow::bail!(\"{}\", refresh.stderr.to_str_lossy().trim());\n    }\n    run_read_tree(workdir, None, false, old, new).context(\"could not update the index and worktree\")\n}\n","sourceCodeStart":119,"sourceCodeEnd":155,"githubUrl":"https://github.com/GitoxideLabs/gitoxide/blob/e73179060badf27222d790981fac3f84c1830a7e/gix-tix/src/edit/forget.rs#L119-L155","documentation":"During the preflight tree transition for `forget`, tix runs `git update-index -q --refresh` against a temporary index and the command exited with a non-zero status. The raw stderr of that git invocation is surfaced verbatim as the error message, wrapped in context 'could not refresh the index before forgetting'.","triggerScenarios":"`preflight_tree_transition` invoked while the worktree/index is in a state that makes `git update-index --refresh` fail (e.g. unreadable files, stat issues, corrupted index, permission problems); the command's `status.success()` is false and stderr is bailed out.","commonSituations":"Worktree files with changed permissions or owned by another user; a locked or stale GIT_INDEX_FILE; filesystem errors preventing refresh during a forget operation.","solutions":["Read the embedded git stderr in the message to identify the concrete cause and fix it (permissions, missing files, etc.).","Ensure the worktree is clean and readable: check file ownership and permissions, then retry.","Remove stale index locks (`rm .git/index.lock`) if a crashed git process left one, and retry."],"exampleFix":"// message shows raw stderr, e.g.\n// 'fatal: Unable to create .git/index.lock: File exists'\nrm .git/index.lock && tix edit forget","handlingStrategy":"try-catch","validationCode":"// preflight: ensure the worktree is refreshable before forgetting\nlet out = std::process::Command::new(\"git\").arg(\"-C\").arg(workdir)\n    .args([\"update-index\", \"-q\", \"--refresh\"]).output()?;\nif !out.status.success() { anyhow::bail!(\"worktree not refreshable: {}\", out.stderr_lossy()); }","typeGuard":null,"tryCatchPattern":"match result {\n    Err(e) if e.to_string().contains(\"could not refresh the index before forgetting\") => {\n        eprintln!(\"fix the underlying git issue shown above, then retry\");\n    }\n    other => other?,\n}","preventionTips":["Avoid running multiple git/tix processes on the same repository concurrently.","Check for and clear stale `.git/index.lock` files after crashes.","Keep the worktree readable and writable for the operating user."],"tags":["git","index","subprocess"],"backgroundTag":"git-command-failed","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"}