OwnedCommitViewer should include the preceding commit.
Created attachment 325426 [details] Patch
Comment on attachment 325426 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=325426&action=review > Websites/perf.webkit.org/public/v3/components/commit-log-viewer.js:39 > + let fetchSingleCommit = !precedingRevision || precedingRevision == lastRevision; Use const. > Websites/perf.webkit.org/public/v3/components/commit-log-viewer.js:59 > + this._precedingCommit = precedingCommit[0]; You should check this._fetchingPromise != promise here to avoid showing results for the old range. > Websites/perf.webkit.org/public/v3/components/commit-log-viewer.js:88 > + let commits_to_process = commits && precedingCommit && precedingCommit.ownsCommits() ? [precedingCommit].concat(commits) : commits; Use camelCase. In fact, I think we can just assign directly to commits in the case we have precedingCommit.