sg ci logs: fix ci branch, improve error handling (!27145) · Merge requests · Administrator / sourcegraph · GitLab

Administrator requested to merge sg-ci-logs-fixes into main Nov 05, 2021

Created by: bobheadxi

fix getCIBranch always failing in CI (https://buildkite.com/sourcegraph/sourcegraph/builds/115202#4d7735c5-9892-46c5-a8b1-2c514abe5cfb/65-66)
better message for missing bk timestamps
continue pushing logs on error
set additional branch label from BUILDKITE_BRANCH only