pump: prevent pump progress from an exit with 0 if the pump become `offline` (#769)#778

Merged

weekface merged 1 commit intopingcap:release-1.0from sre-bot:release-1.0-2e70a739d3ea

Aug 16, 2019

+5

Commits on Aug 16, 2019

fix pump offline: pump progress will exit with 0 if offline

weekface
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