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

hive-forge/src/verbs/pr_create.rs

@@ -0,0 +1,51 @@
+//! `pr-create --title <t> --head <branch> [--base <b>] [body sources]
+//! [--draft] [repo]` — create a PR. Prints the PR URL.
+
+use anyhow::Result;
+use clap::Args as ClapArgs;
+use serde_json::{Value, json};
+
+use crate::body;
+use crate::client::Client;
+
+#[derive(ClapArgs)]
+pub struct Args {
+    /// PR title.
+    #[arg(long)]
+    title: String,
+    /// Head branch.
+    #[arg(long)]
+    head: String,
+    /// Base branch (default: main).
+    #[arg(long, default_value = "main")]
+    base: String,
+    /// 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>,
+    /// Open as draft.
+    #[arg(long)]
+    draft: bool,
+    /// Repo override.
+    repo: Option<String>,
+}
+
+pub fn run(client: &Client, args: Args) -> Result<()> {
+    let body = body::resolve(args.body.as_deref(), args.body_file.as_deref())?.unwrap_or_default();
+    let repo = client.repo(args.repo.as_deref());
+    let payload = json!({
+        "title": args.title,
+        "head": args.head,
+        "base": args.base,
+        "body": body,
+        "draft": args.draft,
+        "allow_maintainer_edit": true,
+    });
+    let resp = client.post_json(&format!("/repos/{repo}/pulls"), &payload)?;
+    if let Some(url) = resp.get("html_url").and_then(Value::as_str) {
+        println!("{url}");
+    }
+    Ok(())
+}