[packagekit] yum: detecting file conflicts and using a custom error

[Richard Hughes]

On Tue, 2008-04-15 at 14:14 +0100, Richard Hughes wrote:
> Now, if yum can't give us sane error types, we can screenscrape, as
> yum is always run in the C locale by packagekit. If nobody has any
> complaints, I'm going to add heuristic code to the yum backend to send
> proper errors.

Adding these few lines of code:

diff --git a/backends/yum/helpers/yumBackend.py b/backends/yum/helpers/yumBackend.py
index dfd44c7..0c5a55e 100644
--- a/backends/yum/helpers/yumBackend.py
+++ b/backends/yum/helpers/yumBackend.py
@@ -1005,8 +1005,11 @@ class PackageKitYumBackend(PackageKitBaseBackend):
                                              'GPG')
                 self.error(ERROR_GPG_FAILURE,"GPG key not imported.")
             except yum.Errors.YumBaseError, ye:
-                retmsg = "Error in Transaction Processing;" + self._format_msgs(ye.value)
-                self.error(ERROR_TRANSACTION_ERROR,retmsg)
+                message = self._format_msgs(ye.value)
+                if message.find ("conflicts with file") != -1:
+                    self.error(ERROR_FILE_CONFLICTS,message)
+                else:
+                    self.error(ERROR_TRANSACTION_ERROR,message)
 
     def remove(self, allowdep, package):
         '''

Means we get the attached dialog, which, I'm sure you'll agree is much
better than "Transaction Error". I've merged the patch to git master.

Richard.

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