[PATCH 4 of 5 evolve-ext] evolve: add selector for trouble types

[Laurent Charignon]

# HG changeset patch
# User Laurent Charignon <lcharignon at fb.com>
# Date 1431532715 25200
#      Wed May 13 08:58:35 2015 -0700
# Node ID f7b2e0e5e05e76d181c99e6ed3fbcc9508cc0c33
# Parent  96db44ca62d46ac9b57042885e40adb8c1fd9e4e
evolve: add selector for trouble types

This patch adds command line flags to select the kind of troubles to solve.
It is limited to --rev. The default of --rev remains solving all three kinds of
troubles.

diff --git a/hgext/evolve.py b/hgext/evolve.py
--- a/hgext/evolve.py
+++ b/hgext/evolve.py
@@ -1243,6 +1243,9 @@
         'ask for confirmation before performing the action'),
     ('A', 'any', False, 'also consider troubled changesets unrelated to current working directory'),
     ('r', 'rev', '', 'solves troubles of these revisions'),
+    ('', 'bumped', False, 'with --rev: solves only bumped changesets'),
+    ('', 'divergent', False, 'with --rev: solves only divergent changesets'),
+    ('', 'unstable', False, 'with --rev: solves only unstable changesets'),
     ('a', 'all', False, 'evolve all troubled changesets in the repo '
                         '(implies any)'),
     ('c', 'continue', False, 'continue an interrupted evolution'),
@@ -1281,6 +1284,7 @@
     dryrunopt = opts['dry_run']
     confirmopt = opts['confirm']
     revopt = opts['rev']
+    troubletypes = ['bumped', 'divergent', 'unstable']
     ui.setconfig('ui', 'forcemerge', opts.get('tool', ''), 'evolve')
     troubled = set(repo.revs('troubled()'))
 
@@ -1304,7 +1308,12 @@
     # Rev specified on the commands line
     if revopt:
         revs = repo.revs(revopt)
-        troubled = repo.revs('troubled()')
+        # () as we use these in a revset
+        specifictypes = [t + '()' for t in troubletypes if opts[t]]
+        if specifictypes:
+            troubled = repo.revs(' or '.join(specifictypes))
+        else:
+            troubled = repo.revs('troubled()')
         _revs = revs & troubled
         if not _revs:
             ui.write_err("No troubled changes in the specified revset\n")
diff --git a/tests/test-evolve.t b/tests/test-evolve.t
--- a/tests/test-evolve.t
+++ b/tests/test-evolve.t
@@ -1001,7 +1001,9 @@
   |
   o  0	: a0 - test
   
-  $ hg evolve --rev "14::"
+  $ hg evolve --rev "14::" --bumped
+  No troubled changes in the specified revset
+  $ hg evolve --rev "14::" --unstable
   move:[15] add gg
   atop:[18] a3
   move:[16] add gh