hive-forge: rewrite bash CLI helper as a rust binary (closes #280)

hive-forge/src/verbs/comment.rs

@@ -0,0 +1,37 @@
+//! `comment <number> [body sources] [repo]` — post a comment on an
+//! issue or PR.
+
+use anyhow::Result;
+use clap::Args as ClapArgs;
+use serde_json::json;
+
+use crate::body;
+use crate::client::Client;
+use crate::verbs::print_json;
+
+#[derive(ClapArgs)]
+pub struct Args {
+    /// Issue or PR number.
+    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>,
+    /// Repo override.
+    repo: Option<String>,
+}
+
+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(args.repo.as_deref());
+    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"),
+    }))
+}