comparison mercurial/dispatch.py @ 48186:6edc8800dbc3

dispatch: use detailed exit code 250 for keyboard interrupt

Among our users at Google, we're still seeing several percent of
commands fail with exit code 255. I suspect keyboard interrupts is an
important remaining reason.

This is a resend of D10086 with some fixes for pager handling added
ahead of it.

Differential Revision: https://phab.mercurial-scm.org/D11628

48185:2f2107c01dee

                # SIGPIPE was raised. we cannot print anything in this case.
                pass
            except IOError as inst:
                if inst.errno != errno.EPIPE:
                    raise
            ret = -1
        finally:
            duration = util.timer() - starttime
            try:
                req.ui.flush()  # record blocked times
            except BaseException:

48186:6edc8800dbc3

                # SIGPIPE was raised. we cannot print anything in this case.
                pass
            except IOError as inst:
                if inst.errno != errno.EPIPE:
                    raise
            if req.ui.configbool(b'ui', b'detailed-exit-code'):
                ret = 250
            else:
                ret = -1
        finally:
            duration = util.timer() - starttime
            try:
                req.ui.flush()  # record blocked times
            except BaseException: