Fixes #1560

* Adds back auto creation of index page and CONFIG page if they don't
  exist.
* Remove observe argument on backend

server/cmd/server.go

@@ -1,6 +1,8 @@
 package cmd
 
 import (
+	_ "embed"
+	"fmt"
 	"io/fs"
 	"log"
 	"net/http"
@@ -165,9 +167,39 @@ func buildConfig(bundledFiles fs.FS, args []string) *server.ServerConfig {
 		rootSpaceConfig.ShellBackend = server.NewNotSupportedShell()
 	}
 
+	// Ensure at least the index page and config page exist
+	ensureIndexAndConfig(rootSpaceConfig)
+
 	return serverConfig
 }
 
+//go:embed space_template/index.md
+var indexPageContent []byte
+
+//go:embed space_template/CONFIG.md
+var configPageContent []byte
+
+func ensureIndexAndConfig(rootSpaceConfig *server.SpaceConfig) {
+	// Index page first
+	indexPagePath := fmt.Sprintf("%s.md", rootSpaceConfig.IndexPage)
+	_, err := rootSpaceConfig.SpacePrimitives.GetFileMeta(indexPagePath)
+	if err == server.ErrNotFound {
+		log.Printf("Index page %s does not yet exist, creating...", indexPagePath)
+		if _, err := rootSpaceConfig.SpacePrimitives.WriteFile(indexPagePath, indexPageContent, nil); err != nil {
+			log.Fatalf("Could not write index page %s: %v", indexPagePath, err)
+		}
+	}
+	// Now let's check for a CONFIG.md
+	configPagePath := "CONFIG.md"
+	_, err = rootSpaceConfig.SpacePrimitives.GetFileMeta(configPagePath)
+	if err == server.ErrNotFound {
+		log.Printf("Config page %s does not yet exist, creating...", configPagePath)
+		if _, err := rootSpaceConfig.SpacePrimitives.WriteFile(configPagePath, configPageContent, nil); err != nil {
+			log.Fatalf("Could not write config page %s: %v", configPagePath, err)
+		}
+	}
+}
+
 func ServerCommand(bundledFiles fs.FS) *cobra.Command {
 	var hostname string
 	var port int

server/cmd/space_template/CONFIG.md

@@ -0,0 +1,10 @@
+This is where you configure SilverBullet to your liking. See [[^Library/Std/Config]] for a full list of configuration options.
+
+```space-lua
+config.set {
+  plugs = {
+    -- Add your plugs here (https://silverbullet.md/Plugs)
+    -- Then run the `Plugs: Update` command to update them
+  }
+}
+```

server/cmd/space_template/index.md

@@ -0,0 +1,34 @@
+# Hello 👋
+Welcome to the wondrous world of SilverBullet. A world that once you discover and appreciate, you’ll never want to leave.
+
+_One of us!_
+
+You can go ahead and delete this placeholder content in a second, but before you do, let me quickly show you around.
+
+We’ll do this through a list of **silver bullets**.
+
+_Ah, so that explains the name!_
+
+* Click on the page picker (book icon) icon at the top right, or hit `Cmd-k` (Mac) or `Ctrl-k` (Linux and Windows) to open the **page picker**.
+  * Type the name of a non-existent page to create it.
+  * Folders are implicitly created by putting slashes (`/`) in the name (even on Windows), e.g. `My Folder/My Page`. Don’t worry about folders existing, SilverBullet will automatically create them if they don’t.
+* Click on the terminal icon (top right), or hit `Cmd-/` (Mac) or `Ctrl-/` (Linux and Windows) to open the **command palette**. From here you can run various useful and perhaps less useful commands.
+* Select some text and hit `Cmd-b` (Mac) or `Ctrl-b` (Windows/Linux) to make it **bold**, or `Cmd-i` (Mac) or `Ctrl-i` (Windows/Linux) to make it _italic_.
+* You can create links to pages using the `[[other page]]` syntax, for instance: `[[aspiring page]]`. When you link to a non-existent page it will initially show up in orange (to indicate it does not yet exist), but once you click it — you will create the page automatically (only for real when you actually enter some text).
+* Start typing `:party` to trigger the emoji picker 🎉
+* Type `/` somewhere in the text to invoke a **slash command**.
+* If this matches your personality type, there is also an `Editor: Toggle Vim Mode` command to switch to Vim mode. If you cannot figure out how to exit it (classic vim issue), just run that same command again. _Phew!_
+* As you may have noticed, while SilverBullet uses [markdown](https://www.markdownguide.org/) underneath, it also “live previews” it to give a bit more of a WYSIWYG feel. You can always move your cursor “into” the underlying code by `Alt-clicking` it (even links and widgets, which we’ll get to later).
+
+While SilverBullet implements (most) of [CommonMark](https://commonmark.org/), it also adds a few extensions that are SilverBullet-specific. Most notably, it adds the `${Lua expression}` syntax to render Lua expressions inline.
+
+Using SilverBullet’s Lua APIs, you can do all kinds of cool stuff. For instance, query your space for the last 3 modified pages. _Exciting!_
+
+${query[[from index.tag "page" order by lastModified desc limit 3]]}
+
+There’s a whole world out there to explore, but let’s not get ahead of ourselves. First, have some fun and add some content to your fresh space.
+
+Then we’ll talk.
+
+# What next?
+You can find more information on SilverBullet’s feature set on its [official website](https://v2.silverbullet.md/). Also, be sure to join the [SilverBullet community](https://community.silverbullet.md/) to interact with fellow SilverBullet explorers.