Added Debian 7 support for PHP 5.5 to PHP 5.6 upgrade

ee/cli/plugins/stack_upgrade.py

@@ -52,9 +52,16 @@ class EEStackUpgradeController(CementBaseController):
 
         # PHP 5.6 to 5.6
         elif (self.app.pargs.php56):
+            if EEVariables.ee_platform_distro == "Ubuntu":
                 if not os.path.isfile("/etc/apt/sources.list.d/"
                                       "ondrej-php5-trusty.list"):
                     Log.error("Unable to find PHP 5.5")
+            else:
+                if not(os.path.isfile(EEVariables.ee_repo_file_path) and
+                       EEFileUtils.grep(self, EEVariables.ee_repo_file_path,
+                                        "php55")):
+                    Log.error("Unable to find PHP 5.5")
+
             Log.info(self, "During PHP update process non nginx-cached"
                      " parts of your site may remain down")
 
@@ -63,9 +70,16 @@ class EEStackUpgradeController(CementBaseController):
                 start_upgrade = input("Do you want to continue:[y/N]")
                 if start_upgrade != "Y" and start_upgrade != "y":
                     Log.error(self, "Not starting PHP package update")
-            EEFileUtils.remove(self, ['/etc/apt/sources.list.d/'
-                                      'ondrej-php5-trusty.list'])
+
+            if EEVariables.ee_platform_distro == "Ubuntu":
+                EERepo.remove(self, ppa="ppa:ondrej/php5")
                 EERepo.add(self, ppa=EEVariables.ee_php_repo)
+            else:
+                EERepo.remove(self, repo_url="deb http://packages.dotdeb.org "
+                              "{0}-php55 all"
+                              .format(EEVariables.ee_platform_codename))
+                EERepo.add(self, repo_url=EEVariables.ee_php_repo)
+
             Log.info(self, "Updating apt-cache, please wait...")
             EEAptGet.update(self)
             Log.info(self, "Installing packages, please wait ...")

ee/core/apt_repo.py

@@ -54,16 +54,31 @@ class EERepo():
                                            "'{ppa_name}'"
                                      .format(ppa_name=ppa))
 
-    def remove(self, ppa=None):
+    def remove(self, ppa=None, repo_url=None):
         """
         This function used to remove ppa's
         If ppa is provided adds repo file to
             /etc/apt/sources.list.d/
         command.
         """
+        if ppa:
             EEShellExec.cmd_exec(self, "add-apt-repository -y "
                                  "--remove '{ppa_name}'"
                                  .format(ppa_name=repo_url))
+        elif repo_url:
+            repo_file_path = ("/etc/apt/sources.list.d/"
+                              + EEVariables().ee_repo_file)
+
+            try:
+                repofile = open(path_to_file, "w+")
+                repofile.write(repofile.read().replace(repo_url, ""))
+                repofile.close()
+            except IOError as e:
+                Log.debug(self, "{0}".format(e))
+                Log.error(self, "File I/O error.")
+            except Exception as e:
+                Log.debug(self, "{0}".format(e))
+                Log.error(self, "Unable to remove repo")
 
     def add_key(self, keyids, keyserver=None):
         """