hyperhive/hive-forge/src/verbs/comment.rs
atlas 156ca70b1e feat(#1888): read-before-comment guard via forge notification read-state
Rebuild on forge's own notification read-state instead of the local
seen-cursor mirror (operator-nacked: mirrors state forge owns + drifts
on restart).

- comment refuses to post when forge has an unread notification for the
  thread (someone commented since you last read it); --force overrides.
  Degrades open if the notification check itself fails.
- comments / view mark the thread's notification read (the "I've seen
  it" signal), clearing the guard for a subsequent reply.
- new crate::notify (no local file): unread_thread_id pages repo-scoped
  unread notifications (newest-first, capped) + subject-url number match;
  mark_thread_read via the new client.patch_no_content.

Pairs with the forge_notify harness change (#1895, merged) that leaves
delivered notifications unread until the agent actually reads. Covers
pr/issue comment too (they delegate to comment::run).
2026-06-22 18:54:40 +02:00

74 lines
2.6 KiB
Rust

//! `comment <number> [body sources] [repo]` — post a comment on an
//! issue or PR.
//!
//! Read-before-comment guard: before posting, refuse when forge still
//! has an unread notification for the thread — i.e. someone commented
//! since the caller last read it. Reading the thread
//! (`hive-forge comments <n>` / `view <n>`) marks the notification read
//! and clears the block; `--force` overrides. The unread signal is
//! forge's own notification read-state, not a local mirror — see
//! `crate::notify`.
use anyhow::{Result, bail};
use clap::Args as ClapArgs;
use serde_json::json;
use crate::body;
use crate::client::Client;
use crate::notify;
use crate::verbs::print_json;
#[derive(ClapArgs)]
pub struct Args {
/// Issue or PR number.
pub(crate) number: u64,
/// Inline body text.
#[arg(long, conflicts_with = "body_file")]
body: Option<String>,
/// Read body from a file. `-` means stdin.
#[arg(long = "body-file")]
body_file: Option<String>,
/// Post even when the thread has unread activity (skips the
/// read-before-comment guard).
#[arg(long)]
force: bool,
}
/// # Errors
///
/// Returns an error when the read-before-comment guard fires (the thread
/// has an unread notification and `--force` was not passed), and
/// propagates any I/O error from the body input (`--body-file`, stdin),
/// any transport error from the Forgejo REST call (network unreachable,
/// 4xx/5xx response, token missing/invalid), and any I/O error from
/// writing the response to stdout.
pub fn run(client: &Client, args: Args) -> Result<()> {
let body = body::resolve_required(args.body.as_deref(), args.body_file.as_deref(), "comment")?;
let repo = client.repo();
if !args.force {
// Degrade open: a transport failure checking notifications must
// not block a legitimate comment — only a *confirmed* unread
// thread refuses.
match notify::unread_thread_id(client, repo, args.number) {
Ok(Some(_)) => bail!(
"hive-forge: {repo}#{0} has unread activity — someone commented since you last \
read it. Read it first (`hive-forge comments {0}`), then retry — or pass --force.",
args.number
),
Ok(None) => {}
Err(e) => eprintln!(
"hive-forge: warning: could not check notifications ({e}); posting anyway"
),
}
}
let resp = client.post_json(
&format!("/repos/{repo}/issues/{}/comments", args.number),
&json!({ "body": body }),
)?;
print_json(&json!({
"id": resp.get("id"),
"url": resp.get("html_url"),
}))
}