{"record":{"id":"b5fa8f7dbf1697f5","repo":"GitoxideLabs/gitoxide","slug":"git-reset-failed","errorCode":null,"errorMessage":"git reset failed: {}","messagePattern":"git reset failed: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"gix-tix/src/edit/rebase.rs","lineNumber":2500,"sourceCode":"    before: Vec<u8>,\n    new: ObjectId,\n}\n\nfn reset_index(reset: &mut IndexReset, paths: Option<&[BString]>) -> Result<()> {\n    if let Some(paths) = paths {\n        return reset_index_paths(&reset.repo, reset.new, paths);\n    }\n    let output = Command::new(\"git\")\n        .arg(\"-C\")\n        .arg(&reset.workdir)\n        .args([\"reset\", \"--mixed\", \"--quiet\"])\n        .arg(reset.new.to_string())\n        .output()\n        .context(\"could not update the index after inserting a commit\")?;\n    if output.status.success() {\n        Ok(())\n    } else {\n        anyhow::bail!(\"git reset failed: {}\", String::from_utf8_lossy(&output.stderr).trim())\n    }\n}\n\nfn reset_index_paths(repo: &gix::Repository, id: ObjectId, paths: &[BString]) -> Result<()> {\n    let tree = repo.find_commit(id)?.tree()?;\n    let mut index = repo\n        .open_index()\n        .context(\"could not load the index to update selected paths\")?;\n    for path in paths {\n        let previous = index\n            .entry_by_path(path.as_bstr())\n            .map(|entry| (entry.stat, entry.flags));\n        index.remove_entries(|_, candidate, _| candidate == path.as_bstr());\n        if let Some(entry) = tree.lookup_entry(\n            path.split(|byte| *byte == b'/')\n                .map(|component| BStr::new(component).to_owned()),\n        )? {\n            let (stat, flags) =","sourceCodeStart":2482,"sourceCodeEnd":2518,"githubUrl":"https://github.com/GitoxideLabs/gitoxide/blob/e73179060badf27222d790981fac3f84c1830a7e/gix-tix/src/edit/rebase.rs#L2482-L2518","documentation":"After inserting a commit, the library shells out to `git reset` to sync the index; if the subprocess exits non-zero, its stderr is surfaced verbatim as `git reset failed: {stderr}`. This wraps an external-git failure, not a gix failure.","triggerScenarios":"`git reset` invoked with a commit id that does not resolve (object missing/corrupt), a locked index (`index.lock` left over), a repository whose git version disagrees with assumptions, or a working tree state git refuses (e.g. conflict markers pending).","commonSituations":"Interrupted operations leaving `.git/index.lock` behind; concurrent processes touching the index; PATH picking up an incompatible git binary; partially cloned repos with missing objects.","solutions":["Read the stderr in the message for the root cause and fix that (e.g. remove a stale `.git/index.lock` after confirming no git process is running)","Run `git fsck` to verify object integrity if the reset target could not be resolved","Retry after closing concurrent git processes that may hold the index lock"],"exampleFix":"// environment fix rather than code change\n$ rm .git/index.lock   # only when no git process is running\n$ git fsck             # verify objects, then retry the operation","handlingStrategy":"try-catch","validationCode":"// pre-checks before the operation\nif std::path::Path::new(\".git/index.lock\").exists() {\n    return Err(\"stale index.lock present; ensure no git process is running\".into());\n}","typeGuard":null,"tryCatchPattern":"match result {\n    Err(e) if e.to_string().starts_with(\"git reset failed\") => {\n        eprintln!(\"inspect stderr in the message; check index.lock and object integrity (git fsck)\");\n    }\n    r => r?,\n}","preventionTips":["Ensure no concurrent git processes touch the index","Clean stale .git/index.lock after confirming no git process runs","Verify object integrity with git fsck after interrupted operations"],"tags":["git","subprocess","index","reset"],"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"}