Merge pull request #89 from YunoHost-Apps/enh-change-url

[Enh] Add change_url script

scripts/change_url

@@ -0,0 +1,120 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+old_domain=$YNH_APP_OLD_DOMAIN
+old_path=$YNH_APP_OLD_PATH
+
+new_domain=$YNH_APP_NEW_DOMAIN
+new_path=$YNH_APP_NEW_PATH
+
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+
+# Needed for helper "ynh_add_nginx_config"
+final_path=$(ynh_app_setting_get $app final_path)
+
+# Add settings here as needed by your application
+#db_name=$(ynh_app_setting_get "$app" db_name)
+#db_pwd=$(ynh_app_setting_get $app db_pwd)
+
+#=================================================
+# CHECK THE SYNTAX OF THE PATHS
+#=================================================
+
+test -n "$old_path" || old_path="/"
+test -n "$new_path" || new_path="/"
+new_path=$(ynh_normalize_url_path $new_path)
+old_path=$(ynh_normalize_url_path $old_path)
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+
+# Change the path in the nginx config file
+if [ $change_path -eq 1 ]
+then
+	# Make a backup of the original nginx config file if modified
+	ynh_backup_if_checksum_is_different "$nginx_conf_path"
+	# Set global variables for nginx helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Bug in Nginx with locations and aliases (see http://stackoverflow.com/a/35102259 )
+	if [ $path_url = "/" ]; then
+	  sed -i "s@__LOCATION_HACK__@@g" ../conf/nginx.conf
+	  sed -i "s@__PATH_HACK__@/@g" ../conf/nginx.conf
+	else
+	  sed -i "s@__LOCATION_HACK__@$path_url@g" ../conf/nginx.conf
+	  sed -i "s@__PATH_HACK__@$path_url$path_url@g" ../conf/nginx.conf
+	fi
+	# Create a dedicated nginx config
+	ynh_add_nginx_config
+fi
+
+# Change the domain for nginx
+if [ $change_domain -eq 1 ]
+then
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum "$nginx_conf_path"
+	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum "/etc/nginx/conf.d/$new_domain.d/$app.conf"
+fi
+
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+# MODIFY URL IN CONFIG.PHP
+#=================================================
+
+if [ $change_domain -eq 1 ]
+then
+    ynh_replace_string $old_domain $new_domain $final_path/config.php
+fi
+
+if [ $change_path -eq 1 ]
+then
+    ynh_replace_string $old_path $new_path $final_path/config.php
+fi
+
+#=================================================
+# GENERIC FINALISATION
+#=================================================
+# RELOAD NGINX
+#=================================================
+
+systemctl reload nginx