Switch composer version

Author: Greg Bowler

Dockerfile

@@ -1,9 +1,17 @@
-FROM composer:1.10.15
+FROM ghcr.io/php-actions/php-build:latest
 
 LABEL repository="https://github.com/php-actions/composer"
 LABEL homepage="https://github.com/php-actions/composer"
 LABEL maintainer="Greg Bowler <[email protected]>"
 
+RUN curl https://getcomposer.org/download/1.10.17/composer.phar > composer-1.phar
+RUN curl https://getcomposer.org/download/2.0.6/composer.phar > composer-2.phar
+RUN chmod +x *.phar
+RUN ln -s $(pwd)/composer-1.phar /usr/local/bin/composer-1
+RUN ln -s $(pwd)/composer-2.phar /usr/local/bin/composer-2
+RUN ln -s /usr/local/bin/composer-2 /usr/local/bin/composer
+COPY switch-composer-version /usr/local/bin/.
+
 COPY entrypoint /usr/local/bin/entrypoint
 ENTRYPOINT ["/usr/local/bin/entrypoint"]
 CMD ["help"]

action.yml

@@ -1,6 +1,16 @@
 name: 'Composer (php-actions)'
 description: 'Use the Composer CLI in your Github Actions.'
 inputs:
+  php_version:
+    description: What version of PHP to use
+    default: latest
+    required: false
+
+  composer_version:
+    description: What version of Composer to use
+    default: latest
+    required: false
+
   command:
     description: Composer command to run
     required: true

entrypoint

@@ -1,6 +1,18 @@
 #!/bin/bash
 set -e
 
+if [ -n "$action_php_version" ]
+then
+	echo "Using PHP version: $action_php_version"
+	switch-php-version $action_php_version
+fi
+
+if [ -n "$action_composer_version" ]
+then
+	echo "Using Composer version: $action_composer_version"
+	switch-composer-version $action_composer_version
+fi
+
 command_string="composer"
 
 if [ -n "$action_ssh_key" ]

switch-composer-version

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+
+if [ "$1" = "latest" ]
+then
+	version=2
+else
+	version=$1
+fi
+
+composer_bin="/usr/local/bin/composer-$version"
+
+if test -f $composer_bin
+then
+	rm -f /usr/local/bin/composer
+	ln -s "$composer_bin" "/usr/local/bin/composer"
+	echo "Successfully linked $composer_bin"
+else
+	echo "Error linking $composer_bin: version doesn't exit"
+	exit 1
+fi