It should be 4 spaces... I found where the default is set, here's a quick untested patch with no configurability. You can also change your personal preferences under Differences -> Preferences diff --git a/gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/AccountDiffPreference.java b/gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/AccountDiffPreference.java index 3b04725..5c689aa 100644 --- a/gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/AccountDiffPreference.java +++ b/gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/AccountDiffPreference.java @@ -58,7 +58,7 @@ public class AccountDiffPreference { public static AccountDiffPreference createDefault(Account.Id accountId) { AccountDiffPreference p = new AccountDiffPreference(accountId); p.setIgnoreWhitespace(Whitespace.IGNORE_NONE); - p.setTabSize(8); + p.setTabSize(4); p.setLineLength(100); p.setSyntaxHighlighting(true); p.setShowWhitespaceErrors(true);