Devcontainer: Split ladybird feature into install scripts per distro

We'll add more distros in a future commit.

.devcontainer/features/ladybird/devcontainer-feature.json

@@ -4,6 +4,17 @@
     "version": "2.0.1",
     "description": "Enable development of Ladybird libraries and applications",
     "options": {
+        "distro": {
+            "type": "string",
+            "proposals": [
+                "ubuntu",
+                "fedora",
+                "arch",
+                "alpine"
+            ],
+            "default": "ubuntu",
+            "description": "Select the base distribution for the container"
+        },
         "llvm_version": {
             "type": "string",
             "proposals": [

.devcontainer/features/ladybird/install-ubuntu.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+set -e
+
+### Check distro
+if [ ! -f /etc/lsb-release ]; then
+    echo "SCRIPT ERROR: Not an Ubuntu container"
+    exit 1
+fi
+
+# shellcheck source=/dev/null
+. /etc/lsb-release
+
+### Declare helper functions
+
+install_llvm_key() {
+    wget -O /usr/share/keyrings/llvm-snapshot.gpg.key https://apt.llvm.org/llvm-snapshot.gpg.key
+    echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME} main" | tee -a /etc/apt/sources.list.d/llvm.list
+    if [ ! "${LLVM_VERSION}" = "trunk" ]; then
+        echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME}-${LLVM_VERSION} main" | tee -a /etc/apt/sources.list.d/llvm.list
+    fi
+    apt update -y
+}
+
+### Install packages
+
+apt update -y
+apt install -y lsb-release git python3 autoconf autoconf-archive automake build-essential cmake libgl1-mesa-dev nasm ninja-build pkg-config qt6-base-dev qt6-tools-dev-tools qt6-multimedia-dev qt6-wayland ccache fonts-liberation2 zip unzip curl tar
+### Ensure new enough host compiler is available
+
+VERSION="0.0.0"
+if command -v clang >/dev/null 2>&1; then
+    VERSION="$(clang -dumpversion)"
+fi
+MAJOR_VERSION="${VERSION%%.*}"
+
+if [ "${LLVM_VERSION}" = "trunk" ]; then
+    install_llvm_key
+
+    apt install -y llvm clang clangd clang-tools lld lldb clang-tidy clang-format
+elif [ "${MAJOR_VERSION}" -lt "${LLVM_VERSION}" ]; then
+    FAILED_INSTALL=0
+    apt install -y "llvm-${LLVM_VERSION}" "clang-${LLVM_VERSION}" "clangd-${LLVM_VERSION}" "clang-tools-${LLVM_VERSION}" "lld-${LLVM_VERSION}" "lldb-${LLVM_VERSION}" "clang-tidy-${LLVM_VERSION}" "clang-format-${LLVM_VERSION}"  || FAILED_INSTALL=1
+
+    if [ "${FAILED_INSTALL}" -ne 0 ]; then
+        install_llvm_key
+        apt install -y "llvm-${LLVM_VERSION}" "clang-${LLVM_VERSION}" "clangd-${LLVM_VERSION}" "clang-tools-${LLVM_VERSION}" "lld-${LLVM_VERSION}" "lldb-${LLVM_VERSION}" "clang-tidy-${LLVM_VERSION}" "clang-format-${LLVM_VERSION}"
+    fi
+fi

.devcontainer/features/ladybird/install.sh

@@ -1,52 +1,12 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -e
 
 # Feature options
+export LLVM_VERSION=${LLVM_VERSION:-18}
+DISTRO=${DISTRO:-ubuntu}
 
-LLVM_VERSION=${LLVM_VERSION:-18}
-### Check distro
-
-if [ ! -f /etc/lsb-release ]; then
-    echo "Not an Ubuntu container, add logic for your distro to the serenity feature or use Ubuntu"
-    exit 1
-fi
+# call distro-specific script that lives in this directory
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 # shellcheck source=/dev/null
-. /etc/lsb-release
-
-### Declare helper functions
-
-install_llvm_key() {
-    wget -O /usr/share/keyrings/llvm-snapshot.gpg.key https://apt.llvm.org/llvm-snapshot.gpg.key
-    echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME} main" | tee -a /etc/apt/sources.list.d/llvm.list
-    if [ ! "${LLVM_VERSION}" = "trunk" ]; then
-        echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME}-${LLVM_VERSION} main" | tee -a /etc/apt/sources.list.d/llvm.list
-    fi
-    apt update -y
-}
-
-### Install packages
-
-apt update -y
-apt install -y lsb-release git python3 autoconf autoconf-archive automake build-essential cmake libgl1-mesa-dev nasm ninja-build pkg-config qt6-base-dev qt6-tools-dev-tools qt6-multimedia-dev qt6-wayland ccache fonts-liberation2 zip unzip curl tar
-### Ensure new enough host compiler is available
-
-VERSION="0.0.0"
-if command -v clang >/dev/null 2>&1; then
-    VERSION="$(clang -dumpversion)"
-fi
-MAJOR_VERSION="${VERSION%%.*}"
-
-if [ "${LLVM_VERSION}" = "trunk" ]; then
-    install_llvm_key
-
-    apt install -y llvm clang clangd clang-tools lld lldb clang-tidy clang-format
-elif [ "${MAJOR_VERSION}" -lt "${LLVM_VERSION}" ]; then
-    FAILED_INSTALL=0
-    apt install -y "llvm-${LLVM_VERSION}" "clang-${LLVM_VERSION}" "clangd-${LLVM_VERSION}" "clang-tools-${LLVM_VERSION}" "lld-${LLVM_VERSION}" "lldb-${LLVM_VERSION}" "clang-tidy-${LLVM_VERSION}" "clang-format-${LLVM_VERSION}"  || FAILED_INSTALL=1
-
-    if [ "${FAILED_INSTALL}" -ne 0 ]; then
-        install_llvm_key
-        apt install -y "llvm-${LLVM_VERSION}" "clang-${LLVM_VERSION}" "clangd-${LLVM_VERSION}" "clang-tools-${LLVM_VERSION}" "lld-${LLVM_VERSION}" "lldb-${LLVM_VERSION}" "clang-tidy-${LLVM_VERSION}" "clang-format-${LLVM_VERSION}"
-    fi
-fi
+. "${DIR}/install-${DISTRO}.sh"