Hmbown/CodeWhale · error · anyhow::Error

gh pr view returned non-JSON output: {e}

Error message

gh pr view returned non-JSON output: {e}

What it means

Error "gh pr view returned non-JSON output: {e}" thrown in Hmbown/CodeWhale.

Source

Thrown at crates/tui/src/lib.rs:8150

fn run_gh_pr_view(number: u32, repo: Option<&str>) -> Result<GhPullRequest> {
    let mut cmd = crate::dependencies::Gh::command()
        .ok_or_else(|| anyhow::anyhow!("gh not found on PATH"))?;
    cmd.arg("pr").arg("view").arg(number.to_string());
    if let Some(r) = repo {
        cmd.arg("--repo").arg(r);
    }
    cmd.arg("--json")
        .arg("title,body,baseRefName,headRefName,url");
    let output = cmd
        .output()
        .map_err(|e| anyhow::anyhow!("Failed to run `gh pr view`: {e}"))?;
    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr).trim().to_string();
        bail!("gh pr view #{number} failed: {stderr}");
    }
    let raw = String::from_utf8_lossy(&output.stdout).to_string();
    let value: serde_json::Value = serde_json::from_str(&raw)
        .map_err(|e| anyhow::anyhow!("gh pr view returned non-JSON output: {e}"))?;
    let pick = |key: &str| {
        value
            .get(key)
            .and_then(serde_json::Value::as_str)
            .unwrap_or_default()
            .to_string()
    };
    Ok(GhPullRequest {
        title: pick("title"),
        body: pick("body"),
        base: pick("baseRefName"),
        head: pick("headRefName"),
        url: pick("url"),
    })
}

fn run_gh_pr_diff(number: u32, repo: Option<&str>) -> Result<String> {
    let mut cmd = crate::dependencies::Gh::command()

View on GitHub (pinned to 8880682c63)

When it happens

Trigger: Thrown at crates/tui/src/lib.rs:8150 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Hmbown/CodeWhale@8880682c63 (2026-08-16). Data as JSON: /api/errors/b322a5a37f5f8151. Report an issue: GitHub.