{"record":{"id":"dfdcd4b2f4595d23","repo":"nikivdev/code","slug":"git-rev-parse-abbrev-ref-head-failed","errorCode":null,"errorMessage":"git rev-parse --abbrev-ref HEAD failed","messagePattern":"git rev-parse --abbrev-ref HEAD failed","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/push.rs","lineNumber":339,"sourceCode":"    let output = Command::new(\"git\")\n        .args([\"rev-parse\", \"--show-toplevel\"])\n        .output()\n        .context(\"failed to locate git root\")?;\n    if !output.status.success() {\n        bail!(\"not inside a git repository\");\n    }\n    let path = String::from_utf8_lossy(&output.stdout).trim().to_string();\n    Ok(PathBuf::from(path))\n}\n\nfn current_branch(repo_root: &Path) -> Result<String> {\n    let output = Command::new(\"git\")\n        .args([\"rev-parse\", \"--abbrev-ref\", \"HEAD\"])\n        .current_dir(repo_root)\n        .output()\n        .context(\"failed to read current branch\")?;\n    if !output.status.success() {\n        bail!(\"git rev-parse --abbrev-ref HEAD failed\");\n    }\n    let name = String::from_utf8_lossy(&output.stdout).trim().to_string();\n    if name.is_empty() || name == \"HEAD\" {\n        bail!(\"detached HEAD (checkout a branch first)\");\n    }\n    Ok(name)\n}\n\npub(crate) fn git_capture_in(repo_root: &Path, args: &[&str]) -> Result<String> {\n    let output = Command::new(\"git\")\n        .args(args)\n        .current_dir(repo_root)\n        .output()\n        .with_context(|| format!(\"failed to run git {}\", args.join(\" \")))?;\n    if !output.status.success() {\n        bail!(\"git {} failed\", args.join(\" \"));\n    }\n    Ok(String::from_utf8_lossy(&output.stdout).to_string())","sourceCodeStart":321,"sourceCodeEnd":357,"githubUrl":"https://github.com/nikivdev/code/blob/a747e741ae92c09071d0ae946ab48488adcff1ce/src/push.rs#L321-L357","documentation":"Raised by current_branch in src/push.rs when `git rev-parse --abbrev-ref HEAD` exits non-zero. The command cannot resolve the current branch name, typically because HEAD does not point to a valid ref (e.g. a repository with no commits yet) or the repo state is otherwise broken.","triggerScenarios":"Running the push flow in a freshly `git init`ed repository with zero commits (unborn HEAD), or in a corrupted repo where HEAD cannot be resolved.","commonSituations":"Trying to push a brand-new repo before the first commit; a damaged .git/HEAD or missing refs; running inside a directory git considers a repo but with an invalid HEAD symlink.","solutions":["Create at least one commit so HEAD resolves to a branch (git commit after staging files)","Check `git status` and `git symbolic-ref HEAD` to diagnose the repo state","If .git is corrupted, re-clone or restore the repository"],"exampleFix":"// before: empty repo\n$ f push\ngit rev-parse --abbrev-ref HEAD failed\n// after\n$ git add -A && git commit -m \"initial\"\n$ f push","handlingStrategy":"validation","validationCode":"let ok = std::process::Command::new(\"git\")\n    .args([\"rev-parse\", \"--abbrev-ref\", \"HEAD\"])\n    .output()?\n    .status.success();\nif !ok { eprintln!(\"repo has no resolvable HEAD; make an initial commit first\"); }","typeGuard":null,"tryCatchPattern":"match result {\n    Err(e) if e.to_string().contains(\"abbrev-ref HEAD failed\") => {\n        eprintln!(\"commit something first so HEAD resolves\");\n    }\n    Err(e) => return Err(e),\n    Ok(v) => Ok(v),\n}","preventionTips":["Make an initial commit before pushing a new repo","Run `git status` to confirm a healthy repo state","Check `git symbolic-ref HEAD` resolves before scripted pushes"],"tags":["git","head","empty-repo"],"backgroundTag":"git-head-unresolvable","analyzedSha":"a747e741ae92c09071d0ae946ab48488adcff1ce","analyzedAt":"2026-09-01T22:43:55.719Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}