update install

scripts/install

@@ -8,6 +8,7 @@
 
 source _common.sh
 source /usr/share/yunohost/helpers
+source ynh_install_ruby
 
 #=================================================
 # MANAGE SCRIPT FAILURE
@@ -149,32 +150,14 @@ chown -R "$app": "$final_path"
 #=================================================
 # SPECIFIC SETUP
 #=================================================
-# ...
+# INSTALLING RUBY
 #=================================================
 
-# TODO: try to use ynh_install_ruby from https://github.com/YunoHost-Apps/Experimental_helpers
+ynh_install_ruby --ruby_version=2.6.0
-# Install de rbenv
-(
-	cd $final_path/.rbenv
-	src/configure && make -C src
 
-	echo "export PATH=\"$final_path/.rbenv/bin:$final_path/live/bin:\$PATH\"
+#=================================================
-eval \"\$(rbenv init -)\"" > $final_path/.profile
+# MODIFY A CONFIG FILE
-	echo "export PATH=\"$final_path/.rbenv/bin:$final_path/live/bin:\$PATH\"" > $final_path/.bashrc
+#=================================================
-)
-
-# Install ruby-build
-(
-	exec_as "$app" $final_path/.rbenv/bin/rbenv install 2.6.0 || true
-	exec_as "$app" $final_path/.rbenv/bin/rbenv global 2.6.0  || true 
-	exec_as "$app" $final_path/.rbenv/versions/2.6.0/bin/ruby -v 
-)
-
-# Create symlink for ruby
-rm /usr/bin/ruby || true
-ln -s $final_path/.rbenv/versions/2.6.0/bin/ruby /usr/bin/ruby || true
-
-# Adjust Mastodon config
 
 cp -a $final_path/live/.env.production.sample $final_path/live/.env.production
 ynh_replace_string "REDIS_HOST=redis"         "REDIS_HOST=127.0.0.1"        "${final_path}/live/.env.production"
@@ -202,16 +185,25 @@ ynh_replace_string "SMTP_FROM_ADDRESS=notifications@example.com" "SMTP_FROM_ADDR
 ynh_replace_string "#SMTP_AUTH_METHOD=plain"                     "SMTP_AUTH_METHOD=none"                            "${final_path}/live/.env.production"
 ynh_replace_string "#SMTP_OPENSSL_VERIFY_MODE=peer"              "SMTP_OPENSSL_VERIFY_MODE=none"                    "${final_path}/live/.env.production"
 
-# Preconfig CSS & JS
+#=================================================
-# Install Mastodon
+# STORE THE CONFIG FILE CHECKSUM
-# Give right permission for the app
+#=================================================
+
+# Calculate and store the config file checksum into the app settings
+ynh_store_file_checksum "${final_path}/live/.env.production"
+
+#=================================================
+# INSTALLING MASTODON
+#=================================================
+ynh_print_info "Installing Mastodon..."
+
 chown -R "$app": "$final_path"
 
 (
 	cd "$final_path/live"
 	su mastodon <<INSTALL
-		$final_path/.rbenv/versions/2.6.0/bin/gem install bundler:1.16.6 --no-ri --no-rdoc
+		$final_path/.rbenv/versions/2.6.0/bin/gem update --system
-		$final_path/.rbenv/versions/2.6.0/bin/gem install bundler
+		$final_path/.rbenv/versions/2.6.0/bin/gem install bundler --no-document
 		$final_path/.rbenv/versions/2.6.0/bin/bundle install \
 		-j$(getconf _NPROCESSORS_ONLN) \
 		--deployment --without development test

scripts/ynh_install_ruby

@@ -0,0 +1,140 @@
+#!/bin/bash
+
+# Need also the helper https://github.com/YunoHost-Apps/Experimental_helpers/blob/master/ynh_handle_getopts_args/ynh_handle_getopts_args
+
+rbenv_install_dir="/opt/rbenv"
+# RBENV_ROOT is the directory of rbenv, it needs to be loaded as a environment variable.
+export RBENV_ROOT="$rbenv_install_dir"
+
+# Install ruby version management
+#
+# [internal]
+#
+# usage: ynh_install_rbenv
+ynh_install_rbenv () {
+  echo "Installation of rbenv - ruby version management" >&2
+  # Build an app.src for rbenv
+  mkdir -p "../conf"
+  echo "SOURCE_URL=https://github.com/rbenv/rbenv/archive/v1.1.1.tar.gz
+SOURCE_SUM=41f1a60714c55eceb21d692a469aee1ec4f46bba351d0dfcb0c660ff9cf1a1c9" > "../conf/rbenv.src"
+  # Download and extract rbenv
+  ynh_setup_source "$rbenv_install_dir" rbenv
+
+  # Build an app.src for ruby-build
+  mkdir -p "../conf"
+  echo "SOURCE_URL=https://github.com/rbenv/ruby-build/archive/v20180329.tar.gz
+SOURCE_SUM=4c8610c178ef2fa6bb29d4bcfca52608914632a51a56a5e70aeec8bf0894167b" > "../conf/ruby-build.src"
+  # Download and extract ruby-build
+  ynh_setup_source "$rbenv_install_dir/plugins/ruby-build" ruby-build
+
+  (cd $rbenv_install_dir
+  ./src/configure && make -C src)
+
+# Create shims directory if needed
+if [ ! -d $rbenv_install_dir/shims ] ; then
+  mkdir $rbenv_install_dir/shims
+fi
+}
+
+# Install a specific version of ruby
+#
+# ynh_install_ruby will install the version of ruby provided as argument by using rbenv.
+#
+# rbenv (ruby version management) stores the target ruby version in a .ruby_version file created in the target folder (using rbenv local <version>)
+# It then uses that information for every ruby user that uses rbenv provided ruby command
+#
+# This helper creates a /etc/profile.d/rbenv.sh that configures PATH environment for rbenv
+# for every LOGIN user, hence your user must have a defined shell (as opposed to /usr/sbin/nologin)
+#
+# Don't forget to execute ruby-dependent command in a login environment
+# (e.g. sudo --login option)
+# When not possible (e.g. in systemd service definition), please use direct path
+# to rbenv shims (e.g. $RBENV_ROOT/shims/bundle)
+#
+# usage: ynh_install_ruby ruby_version user
+# | arg: -v, --ruby_version= - Version of ruby to install.
+#        If possible, prefer to use major version number (e.g. 8 instead of 8.10.0).
+#        The crontab will handle the update of minor versions when needed.
+ynh_install_ruby () {
+  # Declare an array to define the options of this helper.
+  declare -Ar args_array=( [v]=ruby_version= )
+  # Use rbenv, https://github.com/rbenv/rbenv to manage the ruby versions
+  local ruby_version
+  # Manage arguments with getopts
+  ynh_handle_getopts_args "$@"
+
+  # Create $rbenv_install_dir
+  mkdir -p "$rbenv_install_dir/plugins/ruby-build"
+
+  # Load rbenv path in PATH
+  CLEAR_PATH="$rbenv_install_dir/bin:$PATH"
+
+  # Remove /usr/local/bin in PATH in case of ruby prior installation
+  PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@')
+
+  # Move an existing ruby binary, to avoid to block rbenv
+  test -x /usr/bin/ruby && mv /usr/bin/ruby /usr/bin/ruby_rbenv
+
+  # If rbenv is not previously setup, install it
+  if ! type rbenv > /dev/null 2>&1
+  then
+    ynh_install_rbenv
+  fi
+
+  # Restore /usr/local/bin in PATH (if needed)
+  PATH=$CLEAR_PATH
+
+  # And replace the old ruby binary
+  test -x /usr/bin/ruby_rbenv && mv /usr/bin/ruby_rbenv /usr/bin/ruby
+
+  # Install the requested version of ruby
+  CONFIGURE_OPTS="--disable-install-doc" MAKE_OPTS="-j2" rbenv install --skip-existing $ruby_version
+
+  # Store the ID of this app and the version of ruby requested for it
+  echo "$YNH_APP_ID:$ruby_version" | tee --append "$rbenv_install_dir/ynh_app_version"
+
+  # Store ruby_version into the config of this app
+  ynh_app_setting_set $app ruby_version $ruby_version
+
+  # Set environment for ruby users
+  echo  "#rbenv
+export RBENV_ROOT=$rbenv_install_dir
+export PATH=\"$rbenv_install_dir/bin:$PATH\"
+eval \"\$(rbenv init -)\"
+#rbenv" > /etc/profile.d/rbenv.sh
+
+  # Load the right environment for the Installation
+  eval "$(rbenv init -)"
+
+  (cd $final_path
+  rbenv local $ruby_version)
+}
+
+# Remove the version of ruby used by the app.
+#
+# This helper will check if another app uses the same version of ruby,
+# if not, this version of ruby will be removed.
+# If no other app uses ruby, rbenv will be also removed.
+#
+# usage: ynh_remove_ruby
+ynh_remove_ruby () {
+  ruby_version=$(ynh_app_setting_get $app ruby_version)
+
+  # Remove the line for this app
+  sed --in-place "/$YNH_APP_ID:$ruby_version/d" "$rbenv_install_dir/ynh_app_version"
+
+  # If no other app uses this version of ruby, remove it.
+  if ! grep --quiet "$ruby_version" "$rbenv_install_dir/ynh_app_version"
+  then
+    $rbenv_install_dir/bin/rbenv uninstall --force $ruby_version
+  fi
+
+  # Remove rbenv environment configuration
+  rm /etc/profile.d/rbenv.sh
+
+  # If no other app uses rbenv, remove rbenv and dedicated group
+  if [ ! -s "$rbenv_install_dir/ynh_app_version" ]
+  then
+    ynh_secure_remove "$rbenv_install_dir"
+  fi
+}