I've received a few reports of:

error: inflate: data stream error (incorrect header check)
fatal: serious inflate inconsistency
fatal: index-pack failed
error: Could not fetch origin

TBR=mmoss@chromium.org
BUG=

Review URL: https://codereview.chromium.org/205443003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@258147 0039d316-1c4b-4281-b951-d872f2087c98