Run with --highfive-answers-path to show Highfive answers

src/commit.rs

@@ -28,6 +28,10 @@ pub struct Commit {
 }
 
 impl Commit {
+    pub fn number(&self) -> &str {
+        self.hash_number.strip_prefix("#").expect("guaranteed by format")
+    }
+
     pub fn tags(&self) -> &str {
         if let Some((tags, _notes)) = self.label.split_once(";") {
             return tags;

src/main.rs

@@ -64,6 +64,10 @@ pub struct Args {
     #[arg(long)]
     git_show_output_cache_path: Option<PathBuf>,
 
+    /// read Highfive answers from this directory
+    #[arg(long)]
+    highfive_answers_path: Option<PathBuf>,
+
     /// compute word clouds with this dictionary file
     #[arg(long, default_value = "/usr/share/dict/words")]
     dictionary_path: PathBuf,

src/web.rs

@@ -70,28 +70,38 @@ pub fn shutdown() {
 }
 
 pub fn update(commit: &Commit) {
-    let mut options = comrak::Options::default();
-    options.extension.autolink = true;
-    options.extension.table = true;
-    options.render.gfm_quirks = true;
-    options.render.hardbreaks = true;
-    options.render.r#unsafe = true;
-    let unsafe_body = markdown_to_html(&commit.body.join("\n"), &options);
-    let body = ammonia::clean(&unsafe_body);
     let git_show = if let Some(path) = ARGS.git_show_output_cache_path.as_ref() {
         std::fs::read_to_string(path.join(&commit.hash)).unwrap_or_else(|_| "".to_owned())
     } else {
         "[enable `git show` output with --git-show-cache-path]".to_owned()
     };
+    let highfive_answers = if let Some(path) = ARGS.highfive_answers_path.as_ref() {
+        std::fs::read_to_string(path.join(commit.number())).ok()
+    } else {
+        Some("[enable Highfive answers with --highfive-answers-path]".to_owned())
+    };
     let content = Response {
         commit: commit.clone(),
-        rendered_body: body,
+        rendered_body: safe_render_markdown(&commit.body.join("\n")),
         git_show,
+        rendered_highfive_answers: highfive_answers.map(|answers| safe_render_markdown(&answers)),
     };
     *CONTENT.write().unwrap() = serde_json::to_string(&content).unwrap();
     UPDATE.0.send(()).unwrap();
 }
 
+fn safe_render_markdown(unsafe_markdown: &str) -> String {
+    let mut options = comrak::Options::default();
+    options.extension.autolink = true;
+    options.extension.table = true;
+    options.render.gfm_quirks = true;
+    options.render.hardbreaks = true;
+    options.render.r#unsafe = true;
+    let unsafe_html = markdown_to_html(unsafe_markdown, &options);
+    let safe_html = ammonia::clean(&unsafe_html);
+    safe_html
+}
+
 #[get("/ws")]
 fn ws(ws: rocket_ws::WebSocket) -> rocket_ws::Channel<'static> {
     let mut update = UPDATE.1.resubscribe();
@@ -192,6 +202,7 @@ struct Response {
     commit: Commit,
     rendered_body: String,
     git_show: String,
+    rendered_highfive_answers: Option<String>,
 }
 
 #[derive(Deserialize)]

static/index.html

@@ -103,6 +103,17 @@
     #title.Accepted {
         color: green;
     }
+    #answersBox {
+        border: thin solid #1192e8;
+        padding: 0 1em;
+    }
+    #answers:empty:before {
+        content: "BUG: has “monthly update” label but no Highfive answers?";
+        display: block;
+        margin: 1em 0;
+        font-style: italic;
+        opacity: 0.5;
+    }
     #gitShow {
         flex: 1 0 40rem;
         max-height: 100vh;
@@ -213,7 +224,10 @@ <h1 id="title"></h1>
     <div id="meta"></div>
     <div id="label"></div>
     <ul id="hints"></ul>
-    <hr>
+    <div id="answersBox">
+        <div id="answers"></div>
+    </div>
+    <hr id="noAnswers">
     <div id="content"></div>
 </main>
 <pre id="gitShow"></pre>

static/main.js

@@ -54,6 +54,9 @@ ws.addEventListener("message", event => {
         li.append(hint);
         hints.append(li);
     }
+    answersBox.hidden = commitExt.rendered_highfive_answers == null;
+    noAnswers.hidden = commitExt.rendered_highfive_answers != null;
+    answers.innerHTML = commitExt.rendered_highfive_answers;
     content.innerHTML = commitExt.rendered_body;
     input.value = commitExt.commit.label;