Use hg diff -r BRANCH1:BRANCH2 , where BRANCH1 and BRANCH2 are branch names. This will show you the differences between the heads of the two branches.
The message “updated x files” appeared because the files were changed on the source branch, not necessarily because the files were changed on another branch. Mercurial shows you the union of sets of modified files from both branches.
Niall C. Apr 24 2018-12-12T00: 00Z
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