PHP: Allow 'version:none' (#439)

* PHP: Allow 'version:none'

* fix tests

src/php/devcontainer-feature.json

 {
     "id": "php",
-    "version": "1.1.1",
+    "version": "1.1.2",
     "name": "PHP",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/php",
     "options": {
@@ -10,7 +10,8 @@
                 "latest",
                 "8",
                 "8.2",
-                "8.2.0"
+                "8.2.0",
+                "none"
             ],
             "default": "latest",
             "description": "Select or enter a PHP version"

src/php/install.sh

@@ -123,38 +123,13 @@ find_version_from_git_tags() {
 
 # Install PHP Composer
 addcomposer() {
-    "${PHP_INSTALL_DIR}/bin/php" -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+    "${PHP_SRC}" -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
     HASH="$(wget -q -O - https://composer.github.io/installer.sig)"
-    "${PHP_INSTALL_DIR}/bin/php" -r "if (hash_file('sha384', 'composer-setup.php') === '$HASH') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
-    "${PHP_INSTALL_DIR}/bin/php" composer-setup.php
-    "${PHP_INSTALL_DIR}/bin/php" -r "unlink('composer-setup.php');"
-
-    mv composer.phar "${PHP_INSTALL_DIR}/bin/composer"
+    "${PHP_SRC}" -r "if (hash_file('sha384', 'composer-setup.php') === '$HASH') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
+    "${PHP_SRC}" composer-setup.php --install-dir="/usr/local/bin" --filename=composer
+    "${PHP_SRC}" -r "unlink('composer-setup.php');"
 }
 
-# Install PHP if it's missing
-
-
-# Persistent / runtime dependencies
-RUNTIME_DEPS="wget ca-certificates git build-essential xz-utils"
-
-# PHP dependencies
-PHP_DEPS="libssl-dev libcurl4-openssl-dev libedit-dev libsqlite3-dev libxml2-dev zlib1g-dev libsodium-dev libonig-dev"
-
-. /etc/os-release
-
-if [ "${VERSION_CODENAME}" = "bionic" ]; then
-    PHP_DEPS="${PHP_DEPS} libargon2-0-dev"
-else
-    PHP_DEPS="${PHP_DEPS} libargon2-dev"
-fi
-
-# Dependencies required for running "phpize"
-PHPIZE_DEPS="autoconf dpkg-dev file g++ gcc libc-dev make pkg-config re2c"
-
-# Install dependencies
-check_packages $RUNTIME_DEPS $PHP_DEPS $PHPIZE_DEPS
-
 install_php() {
     PHP_VERSION="$1"
     PHP_INSTALL_DIR="${PHP_DIR}/${PHP_VERSION}"
@@ -216,30 +191,48 @@ install_php() {
     echo "xdebug.mode = debug" >> "${XDEBUG_INI}"
     echo "xdebug.start_with_request = yes" >> "${XDEBUG_INI}"
     echo "xdebug.client_port = 9003" >> "${XDEBUG_INI}"
+}
 
-    # Install PHP Composer if needed
-    if [[ "${INSTALL_COMPOSER}" = "true" ]] || [[ $(composer --version) = "" ]]; then
-        addcomposer
-    fi
+if [ "${PHP_VERSION}" != "none" ]; then
+    # Persistent / runtime dependencies
+    RUNTIME_DEPS="wget ca-certificates git build-essential xz-utils"
 
-    CURRENT_DIR="${PHP_DIR}/current"
-    if [[ ! -d "${CURRENT_DIR}" ]]; then
-        ln -s -r "${PHP_INSTALL_DIR}" ${CURRENT_DIR}
-    fi
+    # PHP dependencies
+    PHP_DEPS="libssl-dev libcurl4-openssl-dev libedit-dev libsqlite3-dev libxml2-dev zlib1g-dev libsodium-dev libonig-dev"
 
-    if [ "${OVERRIDE_DEFAULT_VERSION}" = "true" ]; then
-        if [[ $(ls -l ${CURRENT_DIR}) != *"-> ${PHP_INSTALL_DIR}"* ]] ; then
-            rm "${CURRENT_DIR}"
-            ln -s -r "${PHP_INSTALL_DIR}" "${CURRENT_DIR}"
-        fi
+    . /etc/os-release
+
+    if [ "${VERSION_CODENAME}" = "bionic" ]; then
+        PHP_DEPS="${PHP_DEPS} libargon2-0-dev"
+    else
+        PHP_DEPS="${PHP_DEPS} libargon2-dev"
     fi
 
-    rm -rf "${PHP_SRC_DIR}"
-    updaterc "if [[ \"\${PATH}\" != *\"${CURRENT_DIR}\"* ]]; then export PATH=\"${CURRENT_DIR}/bin:\${PATH}\"; fi"
-}
+    # Dependencies required for running "phpize"
+    PHPIZE_DEPS="autoconf dpkg-dev file g++ gcc libc-dev make pkg-config re2c"
 
-find_version_from_git_tags PHP_VERSION https://github.com/php/php-src "tags/php-"
-install_php "${PHP_VERSION}"
+    # Install dependencies
+    check_packages $RUNTIME_DEPS $PHP_DEPS $PHPIZE_DEPS
+
+    find_version_from_git_tags PHP_VERSION https://github.com/php/php-src "tags/php-"
+    install_php "${PHP_VERSION}"
+
+    PHP_SRC="${PHP_INSTALL_DIR}/bin/php"
+else
+    set +e
+        PHP_SRC=$(which php)
+    set -e
+fi
+
+# Install PHP Composer if needed
+if [[ "${INSTALL_COMPOSER}" = "true" ]]; then
+    if [ -z "${PHP_SRC}" ]; then
+        echo "(!) Could not install Composer. PHP not found."
+        exit 1
+    fi
+
+    addcomposer
+fi
 
 # Additional php versions to be installed but not be set as default.
 if [ ! -z "${ADDITIONAL_VERSIONS}" ]; then
@@ -253,9 +246,26 @@ if [ ! -z "${ADDITIONAL_VERSIONS}" ]; then
     IFS=$OLDIFS
 fi
 
-chown -R "${USERNAME}:php" "${PHP_DIR}"
-chmod -R g+r+w "${PHP_DIR}"
-find "${PHP_DIR}" -type d -print0 | xargs -n 1 -0 chmod g+s
+if [ "${PHP_VERSION}" != "none" ]; then
+    CURRENT_DIR="${PHP_DIR}/current"
+    if [[ ! -d "${CURRENT_DIR}" ]]; then
+        ln -s -r "${PHP_INSTALL_DIR}" ${CURRENT_DIR}
+    fi
+
+    if [ "${OVERRIDE_DEFAULT_VERSION}" = "true" ]; then
+        if [[ $(ls -l ${CURRENT_DIR}) != *"-> ${PHP_INSTALL_DIR}"* ]] ; then
+            rm "${CURRENT_DIR}"
+            ln -s -r "${PHP_INSTALL_DIR}" "${CURRENT_DIR}"
+        fi
+    fi
+
+    rm -rf "${PHP_SRC_DIR}"
+    updaterc "if [[ \"\${PATH}\" != *\"${CURRENT_DIR}\"* ]]; then export PATH=\"${CURRENT_DIR}/bin:\${PATH}\"; fi"
+
+    chown -R "${USERNAME}:php" "${PHP_DIR}"
+    chmod -R g+r+w "${PHP_DIR}"
+    find "${PHP_DIR}" -type d -print0 | xargs -n 1 -0 chmod g+s
+fi
 
 # Clean up
 rm -rf /var/lib/apt/lists/*

test/php/install_additional_php.sh

@@ -9,5 +9,7 @@ check "php version 8.1.4 installed as default" php --version | grep 8.1.4
 check "php version 8.0.17 installed"   ls -l /usr/local/php | grep 8.0.17
 check "php version 8.0.3 installed"  ls -l /usr/local/php | grep 8.0.3
 
+check "composer-version" composer --version
+
 # Report result
 reportResults

test/php/install_only_composer.sh

+#!/bin/bash
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+check "composer-version" composer --version
+
+# Report result
+reportResults

test/php/install_php_8.sh

@@ -6,6 +6,7 @@ set -e
 source dev-container-features-test-lib
 
 check "php-version-8-is-installed" bash -c "php --version | grep '8.'"
+check "composer-version" composer --version
 
 # Report result
 reportResults

test/php/install_php_8_2.sh

@@ -6,6 +6,7 @@ set -e
 source dev-container-features-test-lib
 
 check "php-version-8.2-is-installed" bash -c "php --version | grep '8.2'"
+check "composer-version" composer --version
 
 # Report result
 reportResults

test/php/scenarios.json

@@ -23,5 +23,14 @@
                 "version": "8.2"
             }
         }
+    },
+    "install_only_composer": {
+        "image": "mcr.microsoft.com/devcontainers/php:latest",
+        "features": {
+            "php": {
+                "version": "none",
+                "installComposer": true
+            }
+        }
     }
 }

test/php/test.sh

@@ -7,7 +7,7 @@ source dev-container-features-test-lib
 
 check "PHP version" php --version
 check "Mbstring loaded" php -r "extension_loaded('mbstring') || throw new Error('Extension Mbstring is not loaded');"
-check "Composer version" composer --version
+check "composer-version" composer --version
 
 # Report result
 reportResults
\ No newline at end of file