topics: return early so that other if conditions don't get execute (issue5600)
We were not returning after the _changetopics() call and hence the if's below it
were also executed which resulted in changing of current topic.
This prevent current topic to be updated even when we only affect changeset
unrelated to the working copy.
Not that the rebase output change as it expose a new bug (rebased changeset gain
a topic)
Set up some configs
$ cat >> $HGRCPATH <<EOF
> [extensions]
> rebase=
> EOF
$ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH
Test the instability listing
$ hg init r2
$ cd r2
$ echo a > a && hg ci -Am a
adding a
$ echo b > b && hg ci -Am b
adding b
$ echo c > c && hg ci -Am c
adding c
$ hg up 0
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ echo a >> a && hg ci --amend -m a
2 new unstable changesets
$ hg evolve --list
d2ae7f538514: b
unstable: cb9a9f314b8b (obsolete parent)
177f92b77385: c
unstable: d2ae7f538514 (unstable parent)
$ cd ..
Test the bumpedness listing
$ hg init r3
$ cd r3
$ echo a > a && hg ci -Am a
adding a
$ echo b > b && hg ci --amend -m ab
$ hg phase --public --rev 0 --hidden
1 new bumped changesets
$ hg evolve --list
88cc282e27fc: ab
bumped: cb9a9f314b8b (immutable precursor)
$ cd ..
Test the divergence listing
$ hg init r1
$ cd r1
$ echo a > a && hg ci -Am a
adding a
$ hg up 0
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo b > b && hg ci -Am b
adding b
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo c > c && hg ci -Am c
adding c
created new head
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo d > d && hg ci -Am d
adding d
created new head
$ hg rebase -s 1 -d 2
rebasing 1:d2ae7f538514 "b"
$ hg rebase -s 1 -d 3 --hidden --config experimental.allowdivergence=True
rebasing 1:d2ae7f538514 "b"
2 new divergent changesets
$ hg evolve --list
c882616e9d84: b
divergent: a922b3733e98 (draft) (precursor d2ae7f538514)
a922b3733e98: b
divergent: c882616e9d84 (draft) (precursor d2ae7f538514)
$ hg evolve --list --rev c882616e9d84
c882616e9d84: b
divergent: a922b3733e98 (draft) (precursor d2ae7f538514)
$ hg phase -p a922b3733e98
$ hg evolve --list
c882616e9d84: b
divergent: a922b3733e98 (public) (precursor d2ae7f538514)
$ cd ..