Updating mercurial (stop laughing) to 1.6.3. I updated master, f14, f13.
Made some mistake on f12. Now:
git status
# On branch f12
# Your branch is ahead of 'origin/f12/master' by 1 commit.
#
nothing to commit (working directory clean)
git merge master
Already up-to-date.
fedpkg build
Could not initiate build: There are unpushed changes in your repo