chore(scripts): Migrate module name from script to scripts

modules/script/legacy-compatibility-placeholder.md

@@ -0,0 +1,3 @@
+`script.sh` should mimic `scripts.sh` code, in order to retain compatibility with existing custom image users which use `script` as a module name instead of new `scripts` module name.
+
+This is done in order to standardize module naming convention better.

modules/script/README.md → modules/scripts/README.md

@@ -1,6 +1,6 @@
-# `script`
+# `scripts`
 
-The `script` module can be used to run arbitrary bash snippets and scripts at image build time. This is intended for running commands that need no YAML configuration.
+The `scripts` module can be used to run arbitrary bash snippets and scripts at image build-time. This is intended for running commands that need no YAML configuration.
 
 The snippets, which are run in a bash subshell, are declared under `snippets:`.   
 The scripts, which are run from the `files/scripts/` directory, are declared under `scripts:`.

modules/script/module.yml → modules/scripts/module.yml

@@ -1,7 +1,7 @@
-name: script
-shortdesc: The script module can be used to run arbitrary bash snippets and scripts at image build time.
+name: scripts
+shortdesc: The scripts module can be used to run arbitrary bash snippets and scripts at image build time.
 example: |
-  type: script
+  type: scripts
   snippets:
     - "curl https://example.com/examplebinary > /usr/bin/examplebinary" # example: download binary
     - "ln -sf /usr/bin/ld.bfd /etc/alternatives/ld && ln -sf /etc/alternatives/ld /usr/bin/ld" # example: ld alternatives symlink workaround

modules/scripts/scripts.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# Tell build process to exit if there are any errors.
+set -euo pipefail
+
+get_yaml_array SCRIPTS '.scripts[]' "$1"
+get_yaml_array SNIPPETS '.snippets[]' "$1"
+
+cd "$CONFIG_DIRECTORY/scripts"
+# Make every script executable
+find "$PWD" -type f -exec chmod +x {} \;
+for SCRIPT in "${SCRIPTS[@]}"; do
+    echo "Running script $SCRIPT"
+    "$PWD/$SCRIPT"
+done
+
+for SNIPPET in "${SNIPPETS[@]}"; do
+    echo "Running snippet $SNIPPET"
+    bash -c "$SNIPPET"
+done

modules/script/script.tsp → modules/scripts/scripts.tsp

@@ -1,12 +1,12 @@
 import "@typespec/json-schema";
 using TypeSpec.JsonSchema;
 
-@jsonSchema("/modules/script.json")
+@jsonSchema("/modules/scripts.json")
 model ScriptModule {
-    /** The script module can be used to run arbitrary bash snippets and scripts at image build time.
-     * https://blue-build.org/reference/modules/script/
+    /** The scripts module can be used to run arbitrary bash snippets and scripts at image build time.
+     * https://blue-build.org/reference/modules/scripts/
      */
-    type: "script";
+    type: "scripts";
 
     /** List of bash one-liners to run. */
     snippets?: Array<string>;