From 55d17a61017378b907a79bbeee5fb614737956e0 Mon Sep 17 00:00:00 2001
From: Maniack Crudelis <maniackcrudelis@users.noreply.github.com>
Date: Sun, 9 Feb 2020 19:11:06 +0100
Subject: [PATCH] Add the helper ynh_install_php

---
 data/helpers.d/php | 80 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/data/helpers.d/php b/data/helpers.d/php
index 41af467c5..224c0a3d9 100644
--- a/data/helpers.d/php
+++ b/data/helpers.d/php
@@ -65,3 +65,83 @@ ynh_remove_fpm_config () {
 	ynh_secure_remove --file="$fpm_config_dir/conf.d/20-$app.ini" 2>&1
 	ynh_systemd_action --service_name=$fpm_service --action=reload
 }
+
+# Install another version of php.
+#
+# usage: ynh_install_php --phpversion=phpversion [--package=packages]
+# | arg: -v, --phpversion - Version of php to install.
+# | arg: -p, --package - Additionnal php packages to install
+ynh_install_php () {
+	# Declare an array to define the options of this helper.
+	local legacy_args=vp
+	declare -Ar args_array=( [v]=phpversion= [p]=package= )
+	local phpversion
+	local package
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+	package=${package:-}
+
+	# Store phpversion into the config of this app
+	ynh_app_setting_set $app phpversion $phpversion
+
+	if [ "$phpversion" == "7.0" ]
+	then
+		ynh_die "Do not use ynh_install_php to install php7.0"
+	fi
+
+	# Store the ID of this app and the version of php requested for it
+	echo "$YNH_APP_INSTANCE_NAME:$phpversion" | tee --append "/etc/php/ynh_app_version"
+
+	# Add an extra repository for those packages
+	ynh_install_extra_repo --repo="https://packages.sury.org/php/ $(lsb_release -sc) main" --key="https://packages.sury.org/php/apt.gpg" --priority=995 --name=extra_php_version
+
+	# Install requested dependencies from this extra repository.
+	# Install php-fpm first, otherwise php will install apache as a dependency.
+	ynh_add_app_dependencies --package="php${phpversion}-fpm"
+	ynh_add_app_dependencies --package="php$phpversion php${phpversion}-common $package"
+
+	# Set php7.0 back as the default version for php-cli.
+	update-alternatives --set php /usr/bin/php7.0
+
+	# Pin this extra repository after packages are installed to prevent sury of doing shit
+	ynh_pin_repo --package="*" --pin="origin \"packages.sury.org\"" 200 --name=extra_php_version
+	ynh_pin_repo --package="php7.0*" --pin="origin \"packages.sury.org\"" 600 --name=extra_php_version --append
+
+	# Advertise service in admin panel
+	yunohost service add php${phpversion}-fpm --log "/var/log/php${phpversion}-fpm.log"
+}
+
+# Remove the specific version of php used by the app.
+#
+# usage: ynh_install_php
+ynh_remove_php () {
+	# Get the version of php used by this app
+	local phpversion=$(ynh_app_setting_get $app phpversion)
+
+	if [ "$phpversion" == "7.0" ] || [ -z "$phpversion" ]
+	then
+		if [ "$phpversion" == "7.0" ]
+		then
+			ynh_print_err "Do not use ynh_remove_php to install php7.0"
+		fi
+		return 0
+	fi
+
+	# Remove the line for this app
+	sed --in-place "/$YNH_APP_INSTANCE_NAME:$phpversion/d" "/etc/php/ynh_app_version"
+
+	# If no other app uses this version of php, remove it.
+	if ! grep --quiet "$phpversion" "/etc/php/ynh_app_version"
+	then
+		# Purge php dependences for this version.
+		ynh_package_autopurge "php$phpversion php${phpversion}-fpm php${phpversion}-common"
+		# Remove the service from the admin panel
+		yunohost service remove php${phpversion}-fpm
+	fi
+
+	# If no other app uses alternate php versions, remove the extra repo for php
+	if [ ! -s "/etc/php/ynh_app_version" ]
+	then
+		ynh_secure_remove /etc/php/ynh_app_version
+	fi
+}