Examining a single changeset in Mercurial
Pass -v to log and it will print out additional information, including a list of files changed.
Example:
hg log -v -r<rev> | grep ^files
I was looking for the same thing and found the following command, which is more what I was looking for:
hg status --change <rev>
Found in this article.
If you want to see how did the contents of the files were changed for a given revision you can use:
hg diff --change <rev>
If you want to see the diff between the current revision and the one you are interested in, you can use:
hg diff -r <rev>