errors: catch the new Error class in scmutil and chgserver

Differential Revision: https://phab.mercurial-scm.org/D10739

mercurial/chgserver.py

@@ -515,7 +515,7 b' class chgcmdserver(commandserver.server)'
             if inst.hint:
                 self.ui.error(_(b"(%s)\n") % inst.hint)
             errorraised = True
-        except error.Abort as inst:
+        except error.Error as inst:
             if inst.detailed_exit_code is not None:
                 detailed_exit_code = inst.detailed_exit_code
             self.ui.error(inst.format())

mercurial/scmutil.py

@@ -205,7 +205,7 b' def callcatch(ui, func):'
         detailed_exit_code = 50
     except error.WdirUnsupported:
         ui.error(_(b"abort: working directory revision cannot be specified\n"))
-    except error.Abort as inst:
+    except error.Error as inst:
         if inst.detailed_exit_code is not None:
             detailed_exit_code = inst.detailed_exit_code
         if inst.coarse_exit_code is not None: