generate new files

Author: jgoux

packages/pg-wasm/README.md

@@ -8,6 +8,18 @@
 1. Run `npx serve` and go to `http://localhost:3000`
 2. There is no step 2
 
+## :hammer_and_wrench: Update the filesystem
+
+1. Run the build process in the [buildroot](/packages/buildroot/README.md#getting-started) package
+
+2. Synchronize the new filesystem using:
+
+```bash
+./scritps/sync.sh
+```
+
+3. [Cold boot and save a new snapshot](#cold-boot-and-saving-a-new-snapshot)
+
 ## :snowflake: Cold boot and saving a new snapshot
 
 1. Go the `http://localhost:3000?boot=true`
@@ -16,22 +28,11 @@
 
 3. Save the state to a file clicking the `Save state to file` button
 
-4. Put the state file into the `state` folder and compress it:
+4. Put the state file into the `state` folder and compress it using [zstd](https://github.com/facebook/zstd):
 
 ```bash
-zstd --ultra -22 state/state.bin && rm state/state.bin
+zstd --ultra -22 state/v86state.bin && rm state/v86state.bin
 ```
 
 5. Go to `http://localhost:3000`, instant boot!
 
-## :hammer_and_wrench: Update the filesystem
-
-1. Run the build process in the [buildroot](/packages/buildroot/README.md#getting-started) package
-
-2. Synchronize the new filesystem using:
-
-```bash
-./scritps/sync.sh
-```
-
-3. [Cold boot and save a new snapshot](#cold-boot-and-saving-a-new-snapshot)

packages/pg-wasm/filesystem/04d68c16.bin

@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# start postgresql
+#
+
+umask 077
+
+if [ ! -f /var/lib/pgsql/PG_VERSION ]; then
+	echo "Initializing postgresql data base..."
+	su - postgres -c '/usr/bin/pg_ctl initdb -D /var/lib/pgsql'
+	echo "done"
+fi
+
+start() {
+	printf "Starting postgresql: "
+	su - postgres -c '/usr/bin/pg_ctl start -w -D /var/lib/pgsql -l logfile'
+	echo "OK"
+}
+stop() {
+	printf "Stopping postgresql: "
+	su - postgres -c '/usr/bin/pg_ctl stop -D /var/lib/pgsql -m fast'
+	echo "OK"
+}
+restart() {
+	stop
+	start
+}
+
+case "$1" in
+	start)
+		start
+		;;
+	stop)
+		stop
+		;;
+	restart|reload)
+		restart
+		;;
+	*)
+		echo "Usage: $0 {start|stop|restart}"
+		exit 1
+esac
+
+exit $?

packages/pg-wasm/filesystem/919db13e.bin renamed to packages/pg-wasm/filesystem/123ccf58.bin

@@ -32,7 +32,7 @@
                 document.getElementById("terminal").style = '';
             }
 
-            const bzimageUrl = "./filesystem/919db13e.bin";
+            const bzimageUrl = "./filesystem/123ccf58.bin";
             const options = {
                 ...baseOptions,
                 ...(boot ? {
@@ -49,7 +49,7 @@
                     vga_bios: {
                         url: "./bios/vgabios.bin",
                     },
-                } : { initial_state: { url: "./state/state.bin.zst" } })
+                } : { initial_state: { url: "./state/v86state.bin.zst" } })
             };
 
             var emulator = new V86Starter(options);