Implement zola serve --store-html (#2750)

* Implement zola serve --store-html

Fixes #2377

* Apply maintainer suggestions

* fix tests

---------

Co-authored-by: Vincent Prouillet <balthek@gmail.com>

CHANGELOG.md

@@ -11,6 +11,7 @@
 - Exclude paginated pages in sitemap by default
 - Allow treating a missing highlight language as error
 - Handle more editors with change detection in `zola serve`
+- Add argument to `zola serve` to write HTML files to disk
 - Add optional parsing of Markdown definition lists
 
 

components/site/src/lib.rs

@@ -38,6 +38,8 @@ pub enum BuildMode {
     Disk,
     /// In memory for the content -> `zola serve`
     Memory,
+    /// Both on the filesystem and in memory
+    Both,
 }
 
 #[derive(Debug)]
@@ -117,10 +119,10 @@ impl Site {
     }
 
     /// Enable some `zola serve` related options
-    pub fn enable_serve_mode(&mut self) {
+    pub fn enable_serve_mode(&mut self, build_mode: BuildMode) {
         SITE_CONTENT.write().unwrap().clear();
         self.config.enable_serve_mode();
-        self.build_mode = BuildMode::Memory;
+        self.build_mode = build_mode;
     }
 
     /// Set the site to load the drafts.
@@ -668,16 +670,20 @@ impl Site {
         };
 
         match self.build_mode {
-            BuildMode::Disk => {
+            BuildMode::Disk | BuildMode::Both => {
                 let end_path = current_path.join(filename);
                 create_file(&end_path, &final_content)?;
             }
-            BuildMode::Memory => {
+            _ => (),
+        }
+        match self.build_mode {
+            BuildMode::Memory | BuildMode::Both => {
                 let site_path =
                     if filename != "index.html" { site_path.join(filename) } else { site_path };
 
                 SITE_CONTENT.write().unwrap().insert(site_path, final_content);
             }
+            _ => (),
         }
 
         Ok(current_path)

src/cli.rs

@@ -82,6 +82,10 @@ pub enum Command {
         #[clap(short = 'O', long)]
         open: bool,
 
+        /// Also store HTML in the public/ folder (by default HTML is only stored in-memory)
+        #[clap(long)]
+        store_html: bool,
+
         /// Only rebuild the minimum on change - useful when working on a specific page/section
         #[clap(short = 'f', long)]
         fast: bool,

src/cmd/serve.rs

@@ -47,7 +47,7 @@ use ws::{Message, Sender, WebSocket};
 
 use errors::{anyhow, Context, Error, Result};
 use site::sass::compile_sass;
-use site::{Site, SITE_CONTENT};
+use site::{BuildMode, Site, SITE_CONTENT};
 use utils::fs::{clean_site_output_folder, copy_file, create_directory};
 
 use crate::fs_utils::{filter_events, ChangeKind, SimpleFileSystemEventKind};
@@ -367,6 +367,7 @@ fn create_new_site(
     base_url: Option<&str>,
     config_file: &Path,
     include_drafts: bool,
+    store_html: bool,
     mut no_port_append: bool,
     ws_port: Option<u16>,
 ) -> Result<(Site, SocketAddr, String)> {
@@ -390,7 +391,7 @@ fn create_new_site(
         constructed_base_url.truncate(constructed_base_url.len() - 1);
     }
 
-    site.enable_serve_mode();
+    site.enable_serve_mode(if store_html { BuildMode::Both } else { BuildMode::Memory });
     site.set_base_url(constructed_base_url.clone());
     if let Some(output_dir) = output_dir {
         if !force && output_dir.exists() {
@@ -427,6 +428,7 @@ pub fn serve(
     config_file: &Path,
     open: bool,
     include_drafts: bool,
+    store_html: bool,
     fast_rebuild: bool,
     no_port_append: bool,
     utc_offset: UtcOffset,
@@ -442,6 +444,7 @@ pub fn serve(
         base_url,
         config_file,
         include_drafts,
+        store_html,
         no_port_append,
         None,
     )?;
@@ -672,6 +675,7 @@ pub fn serve(
         base_url,
         config_file,
         include_drafts,
+        store_html,
         no_port_append,
         ws_port,
     ) {
@@ -916,6 +920,7 @@ mod tests {
             base_url.as_deref(),
             &config_file,
             include_drafts,
+            false,
             no_port_append,
             ws_port,
         )

src/main.rs

@@ -84,6 +84,7 @@ fn main() {
             base_url,
             drafts,
             open,
+            store_html,
             fast,
             no_port_append,
             extra_watch_path,
@@ -112,6 +113,7 @@ fn main() {
                 &config_file,
                 open,
                 drafts,
+                store_html,
                 fast,
                 no_port_append,
                 UtcOffset::current_local_offset().unwrap_or(UtcOffset::UTC),