[StGIT PATCH 4/6] Simplify merge_recursive

["Karl Hasselström" <kha@treskal.com>]

From: David Kågedal <davidk@lysator.liu.se>

Listing the unmerged files is unnecessary, since the information
isn't really used anyway. Just note if the merge failed or succeeded.

Signed-off-by: David Kågedal <davidk@lysator.liu.se>
Signed-off-by: Karl Hasselström <kha@treskal.com>

---

 stgit/git.py |   32 +-------------------------------
 1 files changed, 1 insertions(+), 31 deletions(-)

diff --git a/stgit/git.py b/stgit/git.py
index 82cb211..173cc4b 100644
--- a/stgit/git.py
+++ b/stgit/git.py
@@ -642,40 +642,10 @@ def merge_recursive(base, head1, head2):
     """
     refresh_index()
 
-    err_output = None
-    # this operation tracks renames but it is slower (used in
-    # general when pushing or picking patches)
     try:
         # discard output to mask the verbose prints of the tool
         GRun('git-merge-recursive', base, '--', head1, head2).discard_output()
-    except GitRunException, ex:
-        err_output = str(ex)
-        pass
-
-    # check the index for unmerged entries
-    files = {}
-
-    for line in GRun('git-ls-files', '--unmerged', '--stage', '-z'
-                     ).raw_output().split('\0'):
-        if not line:
-            continue
-
-        mode, hash, stage, path = stages_re.findall(line)[0]
-
-        if not path in files:
-            files[path] = {}
-            files[path]['1'] = ('', '')
-            files[path]['2'] = ('', '')
-            files[path]['3'] = ('', '')
-
-        files[path][stage] = (mode, hash)
-
-    if err_output and not files:
-        # if no unmerged files, there was probably a different type of
-        # error and we have to abort the merge
-        raise GitException, err_output
-
-    if files:
+    except GitRunException:
         raise GitException, 'GIT index merging failed (possible conflicts)'
 
 def merge(base, head1, head2):