Mercurial > hg-stable

changeset 28520:84cc72c5771e

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dispatch: catch KeyboardInterrupt more broadly Because _runcatch() can run long operations in its exception handler, it wasn't enough to catch KeyboardInterrupt at the same level. For example, "hg unknown" will load all extension modules, so we could easily make it crashed by Ctrl-C.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 27 Dec 2015 13:38:46 +0900
parents 518a5030acba
children c3ed14344cd9
files mercurial/dispatch.py
diffstat 1 files changed, 9 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/dispatch.py	Sun Mar 13 16:46:49 2016 -0700
+++ b/mercurial/dispatch.py	Sun Dec 27 13:38:46 2015 +0900
@@ -120,11 +120,18 @@
     ret = None
     try:
         ret = _runcatch(req)
-        return ret
+    except KeyboardInterrupt:
+        try:
+            req.ui.warn(_("interrupted!\n"))
+        except IOError as inst:
+            if inst.errno != errno.EPIPE:
+                raise
+        ret = -1
     finally:
         duration = time.time() - starttime
         req.ui.log("commandfinish", "%s exited %s after %0.2f seconds\n",
                    msg, ret or 0, duration)
+    return ret
 
 def _runcatch(req):
     def catchterm(*args):
@@ -313,11 +320,7 @@
         else:
             ui.warn(_("abort: %s\n") % inst.strerror)
     except KeyboardInterrupt:
-        try:
-            ui.warn(_("interrupted!\n"))
-        except IOError as inst:
-            if inst.errno != errno.EPIPE:
-                raise
+        raise
     except MemoryError:
         ui.warn(_("abort: out of memory\n"))
     except SystemExit as inst: