From 798dc2ca8024c68b02c8e878603c0a4b00dc44e5 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 2 Sep 2019 14:42:23 +0300
Subject: start GitHub pages

---
 website/website-gen/src/main.rs | 64 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 website/website-gen/src/main.rs

(limited to 'website/website-gen/src')

diff --git a/website/website-gen/src/main.rs b/website/website-gen/src/main.rs
new file mode 100644
index 000000000..7d35a37cf
--- /dev/null
+++ b/website/website-gen/src/main.rs
@@ -0,0 +1,64 @@
+use std::{fs, path::Path, process::Command};
+
+type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
+
+/// This tool builds the github-pages website to the `./target/website` folder
+fn main() {
+    if let Err(err) = try_main() {
+        eprintln!("{}", err);
+        std::process::exit(-1);
+    }
+}
+
+fn try_main() -> Result<()> {
+    check_cwd()?;
+    build_scaffold()?;
+    build_docs()?;
+    println!("Finished\n./target/website/index.html");
+    Ok(())
+}
+
+fn cargo() -> Command {
+    Command::new("cargo")
+}
+
+fn check_cwd() -> Result<()> {
+    let toml = std::fs::read_to_string("./Cargo.toml")?;
+    if !toml.contains("[workspace]") {
+        Err("website-gen should be run from the root of workspace")?;
+    }
+    Ok(())
+}
+
+fn build_docs() -> Result<()> {
+    let status = cargo().args(&["doc", "--all", "--no-deps"]).status()?;
+    if !status.success() {
+        Err("cargo doc failed")?;
+    }
+    sync_dir("./target/doc", "./target/website/api-docs")?;
+    Ok(())
+}
+
+fn build_scaffold() -> Result<()> {
+    sync_dir("./website/src", "./target/website")
+}
+
+fn sync_dir(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> Result<()> {
+    return sync_dir(src.as_ref(), dst.as_ref());
+
+    fn sync_dir(src: &Path, dst: &Path) -> Result<()> {
+        let _ = fs::remove_dir_all(dst);
+        fs::create_dir_all(dst)?;
+        for entry in walkdir::WalkDir::new(src) {
+            let entry = entry?;
+            let src_path = entry.path();
+            let dst_path = dst.join(src_path.strip_prefix(src)?);
+            if src_path.is_dir() {
+                fs::create_dir_all(dst_path)?;
+            } else {
+                fs::copy(src_path, dst_path)?;
+            }
+        }
+        Ok(())
+    }
+}
-- 
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