bundle: do no check the changegroup version if no changegroup is included
We don't need to check the compatibility of something we will not use.
In practice this was getting in the was of `streamv2` bundles on a narrow
repository as the 'cg.version=02' value was rejected by this checks.
======================
rebase --dry-run tests
======================
Test behavior associated with `hg rebase --dry-run`
Setup
=====
$ hg init r1
$ cd r1
$ echo one > f01.txt
$ echo two > f02.txt
$ echo three > f03.txt
$ hg add
adding f01.txt
adding f02.txt
adding f03.txt
$ hg ci -m 'ci-1' f01.txt f02.txt f03.txt
$ hg book base; hg book -i
$ echo add-to-one >> f01.txt
$ hg ci -m 'br-1' f01.txt
$ hg book branch-1; hg book -i
$ hg up base; hg book -i
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(activating bookmark base)
$ echo add-to-two >> f02.txt
$ hg ci -m 'br-2' f02.txt
created new head
$ hg book branch-2; hg book -i
$ hg up branch-1; hg book -i
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
(activating bookmark branch-1)
$ hg log -G
o changeset: 2:d408211b0a6f
| bookmark: branch-2
| tag: tip
| parent: 0:99418d161ee0
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: br-2
|
| @ changeset: 1:ab62441498e5
|/ bookmark: branch-1
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: br-1
|
o changeset: 0:99418d161ee0
bookmark: base
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: ci-1
Check the working copy changes do not get wiped out
===================================================
$ echo add-to-three >> f03.txt
f03 is modified
$ hg st
M f03.txt
$ hg diff
diff -r ab62441498e5 f03.txt
--- a/f03.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/f03.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,2 @@
three
+add-to-three
$ hg rebase -v -n -s branch-2 -d branch-1 --config extensions.rebase=
starting dry-run rebase; repository will not be changed
rebasing 2:d408211b0a6f branch-2 tip "br-2"
resolving manifests
getting f02.txt
committing files:
f02.txt
committing manifest
committing changelog
rebase merging completed
dry-run rebase completed successfully; run without -n/--dry-run to perform this rebase
f03 changes are lost
$ hg st
M f03.txt
$ hg diff
diff -r ab62441498e5 f03.txt
--- a/f03.txt Thu Jan 01 00:00:00 1970 +0000
+++ b/f03.txt Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,2 @@
three
+add-to-three