From 953ef29f4e238ef9ae186ab79eeec1bf4f3921a6 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Thu, 24 Aug 2023 19:31:15 +0000
Subject: [PATCH] format, ensure ci runs on prs

---
 quartz/bootstrap-cli.mjs |  213 +++++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 175 insertions(+), 38 deletions(-)

diff --git a/quartz/bootstrap-cli.mjs b/quartz/bootstrap-cli.mjs
index 71d6957..b191b49 100755
--- a/quartz/bootstrap-cli.mjs
+++ b/quartz/bootstrap-cli.mjs
@@ -16,10 +16,11 @@
 import serveHandler from "serve-handler"
 import { WebSocketServer } from "ws"
 import { randomUUID } from "crypto"
+import { Mutex } from "async-mutex"
 
 const ORIGIN_NAME = "origin"
 const UPSTREAM_NAME = "upstream"
-const QUARTZ_SOURCE_BRANCH = "v4-alpha"
+const QUARTZ_SOURCE_BRANCH = "v4"
 const cwd = process.cwd()
 const cacheDir = path.join(cwd, ".quartz-cache")
 const cacheFile = "./.quartz-cache/transpiled-build.mjs"
@@ -74,6 +75,11 @@
     default: false,
     describe: "run a local server to live-preview your Quartz",
   },
+  baseDir: {
+    string: true,
+    default: "",
+    describe: "base path to serve your local server on",
+  },
   port: {
     number: true,
     default: 8080,
@@ -84,6 +90,10 @@
     default: false,
     describe: "show detailed bundle information",
   },
+  concurrency: {
+    number: true,
+    describe: "how many threads to use to parse notes",
+  },
 }
 
 function escapePath(fp) {
@@ -104,6 +114,7 @@
 }
 
 async function stashContentFolder(contentFolder) {
+  await fs.promises.rm(contentCacheFolder, { force: true, recursive: true })
   await fs.promises.cp(contentFolder, contentCacheFolder, {
     force: true,
     recursive: true,
@@ -125,8 +136,11 @@
 }
 
 function gitPull(origin, branch) {
-  const flags = ["-s", "recursive", "-X", "ours", "--no-edit"]
-  spawnSync("git", ["pull", ...flags, origin, branch], { stdio: "inherit" })
+  const flags = ["--no-rebase", "--autostash", "-s", "recursive", "-X", "ours", "--no-edit"]
+  const out = spawnSync("git", ["pull", ...flags, origin, branch], { stdio: "inherit" })
+  if (out.stderr) {
+    throw new Error(`Error while pulling updates: ${out.stderr}`)
+  }
 }
 
 yargs(hideBin(process.argv))
@@ -142,28 +156,26 @@
         message: `Choose how to initialize the content in \`${contentFolder}\``,
         options: [
           { value: "new", label: "Empty Quartz" },
-          { value: "copy", label: "Replace with an existing folder", hint: "overwrites `content`" },
+          { value: "copy", label: "Copy an existing folder", hint: "overwrites `content`" },
           {
             value: "symlink",
             label: "Symlink an existing folder",
             hint: "don't select this unless you know what you are doing!",
           },
-          { value: "keep", label: "Keep the existing files" },
         ],
       }),
     )
 
     async function rmContentFolder() {
       const contentStat = await fs.promises.lstat(contentFolder)
-      if (contentStat) {
-        if (contentStat.isSymbolicLink()) {
-          await fs.promises.unlink(contentFolder)
-        } else {
-          await rimraf(contentFolder)
-        }
+      if (contentStat.isSymbolicLink()) {
+        await fs.promises.unlink(contentFolder)
+      } else {
+        await rimraf(contentFolder)
       }
     }
 
+    await fs.promises.unlink(path.join(contentFolder, ".gitkeep"))
     if (setupStrategy === "copy" || setupStrategy === "symlink") {
       const originalFolder = escapePath(
         exitIfCancel(
@@ -185,13 +197,14 @@
 
       await rmContentFolder()
       if (setupStrategy === "copy") {
-        await fs.promises.cp(originalFolder, contentFolder, { recursive: true })
+        await fs.promises.cp(originalFolder, contentFolder, {
+          recursive: true,
+          preserveTimestamps: true,
+        })
       } else if (setupStrategy === "symlink") {
         await fs.promises.symlink(originalFolder, contentFolder, "dir")
       }
     } else if (setupStrategy === "new") {
-      await rmContentFolder()
-      await fs.promises.mkdir(contentFolder)
       await fs.promises.writeFile(
         path.join(contentFolder, "index.md"),
         `---
@@ -204,7 +217,7 @@
       )
     }
 
-    // get a prefered link resolution strategy
+    // get a preferred link resolution strategy
     const linkResolutionStrategy = exitIfCancel(
       await select({
         message: `Choose how Quartz should resolve links in your content. You can change this later in \`quartz.config.ts\`.`,
@@ -240,37 +253,67 @@
     outro(`You're all set! Not sure what to do next? Try:
    • Customizing Quartz a bit more by editing \`quartz.config.ts\`
    • Running \`npx quartz build --serve\` to preview your Quartz locally
-   • Hosting your Quartz online (see: https://quartz.jzhao.xyz/setup/hosting)
+   • Hosting your Quartz online (see: https://quartz.jzhao.xyz/hosting)
 `)
   })
   .command("update", "Get the latest Quartz updates", CommonArgv, async (argv) => {
     const contentFolder = path.join(cwd, argv.directory)
     console.log(chalk.bgGreen.black(`\n Quartz v${version} \n`))
     console.log("Backing up your content")
+    execSync(
+      `git remote show upstream || git remote add upstream https://github.com/jackyzha0/quartz.git`,
+    )
     await stashContentFolder(contentFolder)
     console.log(
       "Pulling updates... you may need to resolve some `git` conflicts if you've made changes to components or plugins.",
     )
-    execSync(
-      `git remote show upstream || git remote add upstream https://github.com/jackyzha0/quartz.git`,
-    )
     gitPull(UPSTREAM_NAME, QUARTZ_SOURCE_BRANCH)
     await popContentFolder(contentFolder)
     console.log("Ensuring dependencies are up to date")
     spawnSync("npm", ["i"], { stdio: "inherit" })
     console.log(chalk.green("Done!"))
   })
+  .command(
+    "restore",
+    "Try to restore your content folder from the cache",
+    CommonArgv,
+    async (argv) => {
+      const contentFolder = path.join(cwd, argv.directory)
+      await popContentFolder(contentFolder)
+    },
+  )
   .command("sync", "Sync your Quartz to and from GitHub.", SyncArgv, async (argv) => {
     const contentFolder = path.join(cwd, argv.directory)
     console.log(chalk.bgGreen.black(`\n Quartz v${version} \n`))
     console.log("Backing up your content")
 
     if (argv.commit) {
+      const contentStat = await fs.promises.lstat(contentFolder)
+      if (contentStat.isSymbolicLink()) {
+        const linkTarg = await fs.promises.readlink(contentFolder)
+        console.log(chalk.yellow("Detected symlink, trying to dereference before committing"))
+
+        // stash symlink file
+        await stashContentFolder(contentFolder)
+
+        // follow symlink and copy content
+        await fs.promises.cp(linkTarg, contentFolder, {
+          recursive: true,
+          preserveTimestamps: true,
+        })
+      }
+
       const currentTimestamp = new Date().toLocaleString("en-US", {
         dateStyle: "medium",
         timeStyle: "short",
       })
-      spawnSync("git", ["commit", "-am", `Quartz sync: ${currentTimestamp}`], { stdio: "inherit" })
+      spawnSync("git", ["add", "."], { stdio: "inherit" })
+      spawnSync("git", ["commit", "-m", `Quartz sync: ${currentTimestamp}`], { stdio: "inherit" })
+
+      if (contentStat.isSymbolicLink()) {
+        // put symlink back
+        await popContentFolder(contentFolder)
+      }
     }
 
     await stashContentFolder(contentFolder)
@@ -347,12 +390,29 @@
       ],
     })
 
+    const buildMutex = new Mutex()
+    let lastBuildMs = 0
+    let cleanupBuild = null
     const build = async (clientRefresh) => {
+      const buildStart = new Date().getTime()
+      lastBuildMs = buildStart
+      const release = await buildMutex.acquire()
+      if (lastBuildMs > buildStart) {
+        release()
+        return
+      }
+
+      if (cleanupBuild) {
+        await cleanupBuild()
+        console.log(chalk.yellow("Detected a source code change, doing a hard rebuild..."))
+      }
+
       const result = await ctx.rebuild().catch((err) => {
         console.error(`${chalk.red("Couldn't parse Quartz configuration:")} ${fp}`)
         console.log(`Reason: ${chalk.grey(err)}`)
         process.exit(1)
       })
+      release()
 
       if (argv.bundleInfo) {
         const outputFileName = "quartz/.quartz-cache/transpiled-build.mjs"
@@ -368,41 +428,118 @@
       // bypass module cache
       // https://github.com/nodejs/modules/issues/307
       const { default: buildQuartz } = await import(cacheFile + `?update=${randomUUID()}`)
-      await buildQuartz(argv, clientRefresh)
+      cleanupBuild = await buildQuartz(argv, buildMutex, clientRefresh)
       clientRefresh()
     }
 
     if (argv.serve) {
-      const wss = new WebSocketServer({ port: 3001 })
       const connections = []
-      wss.on("connection", (ws) => connections.push(ws))
       const clientRefresh = () => connections.forEach((conn) => conn.send("rebuild"))
 
+      if (argv.baseDir !== "" && !argv.baseDir.startsWith("/")) {
+        argv.baseDir = "/" + argv.baseDir
+      }
+
       await build(clientRefresh)
       const server = http.createServer(async (req, res) => {
-        await serveHandler(req, res, {
-          public: argv.output,
-          directoryListing: false,
-        })
-        const status = res.statusCode
-        const statusString =
-          status >= 200 && status < 300
-            ? chalk.green(`[${status}]`)
-            : status >= 300 && status < 400
-            ? chalk.yellow(`[${status}]`)
-            : chalk.red(`[${status}]`)
-        console.log(statusString + chalk.grey(` ${req.url}`))
+        if (argv.baseDir && !req.url?.startsWith(argv.baseDir)) {
+          console.log(
+            chalk.red(
+              `[404] ${req.url} (warning: link outside of site, this is likely a Quartz bug)`,
+            ),
+          )
+          res.writeHead(404)
+          res.end()
+          return
+        }
+
+        // strip baseDir prefix
+        req.url = req.url?.slice(argv.baseDir.length)
+
+        const serve = async () => {
+          const release = await buildMutex.acquire()
+          await serveHandler(req, res, {
+            public: argv.output,
+            directoryListing: false,
+            headers: [
+              {
+                source: "**/*.html",
+                headers: [{ key: "Content-Disposition", value: "inline" }],
+              },
+            ],
+          })
+          const status = res.statusCode
+          const statusString =
+            status >= 200 && status < 300 ? chalk.green(`[${status}]`) : chalk.red(`[${status}]`)
+          console.log(statusString + chalk.grey(` ${argv.baseDir}${req.url}`))
+          release()
+        }
+
+        const redirect = (newFp) => {
+          newFp = argv.baseDir + newFp
+          res.writeHead(302, {
+            Location: newFp,
+          })
+          console.log(chalk.yellow("[302]") + chalk.grey(` ${argv.baseDir}${req.url} -> ${newFp}`))
+          res.end()
+        }
+
+        let fp = req.url?.split("?")[0] ?? "/"
+
+        // handle redirects
+        if (fp.endsWith("/")) {
+          // /trailing/
+          // does /trailing/index.html exist? if so, serve it
+          const indexFp = path.posix.join(fp, "index.html")
+          if (fs.existsSync(path.posix.join(argv.output, indexFp))) {
+            req.url = fp
+            return serve()
+          }
+
+          // does /trailing.html exist? if so, redirect to /trailing
+          let base = fp.slice(0, -1)
+          if (path.extname(base) === "") {
+            base += ".html"
+          }
+          if (fs.existsSync(path.posix.join(argv.output, base))) {
+            return redirect(fp.slice(0, -1))
+          }
+        } else {
+          // /regular
+          // does /regular.html exist? if so, serve it
+          let base = fp
+          if (path.extname(base) === "") {
+            base += ".html"
+          }
+          if (fs.existsSync(path.posix.join(argv.output, base))) {
+            req.url = fp
+            return serve()
+          }
+
+          // does /regular/index.html exist? if so, redirect to /regular/
+          let indexFp = path.posix.join(fp, "index.html")
+          if (fs.existsSync(path.posix.join(argv.output, indexFp))) {
+            return redirect(fp + "/")
+          }
+        }
+
+        return serve()
       })
       server.listen(argv.port)
-      console.log(chalk.cyan(`Started a Quartz server listening at http://localhost:${argv.port}`))
+      const wss = new WebSocketServer({ port: 3001 })
+      wss.on("connection", (ws) => connections.push(ws))
+      console.log(
+        chalk.cyan(
+          `Started a Quartz server listening at http://localhost:${argv.port}${argv.baseDir}`,
+        ),
+      )
       console.log("hint: exit with ctrl+c")
       chokidar
         .watch(["**/*.ts", "**/*.tsx", "**/*.scss", "package.json"], {
           ignoreInitial: true,
         })
         .on("all", async () => {
-          console.log(chalk.yellow("Detected a source code change, doing a hard rebuild..."))
-          await build(clientRefresh)
+          build(clientRefresh)
         })
     } else {
       await build(() => {})

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