Add --binary flag to commands that generate diffs

[stgit] / stgit / git.py

diff --git a/stgit/git.py b/stgit/git.py
index d7eb48e..86630ce 100644 (file)
--- a/stgit/git.py
+++ b/stgit/git.py
@@ -298,14 +298,18 @@ def set_head_file(ref):
              [os.path.join('refs', 'heads', ref)]) != 0:
         raise GitException, 'Could not set head to "%s"' % ref
 
+def set_branch(branch, val):
+    """Point branch at a new commit object."""
+    if __run('git-update-ref', [branch, val]) != 0:
+        raise GitException, 'Could not update %s to "%s".' % (branch, val)
+
 def __set_head(val):
     """Sets the HEAD value
     """
     global __head
 
     if not __head or __head != val:
-        if __run('git-update-ref HEAD', [val]) != 0:
-            raise GitException, 'Could not update HEAD to "%s".' % val
+        set_branch('HEAD', val)
         __head = val
 
     # only allow SHA1 hashes
@@ -767,20 +771,28 @@ def status(files = None, modified = False, new = False, deleted = False,
         else:
             print '%s' % fs[1]
 
-def diff(files = None, rev1 = 'HEAD', rev2 = None, out_fd = None):
+def diff(files = None, rev1 = 'HEAD', rev2 = None, out_fd = None,
+         binary = False):
     """Show the diff between rev1 and rev2
     """
     if not files:
         files = []
 
+    args = []
+    if binary:
+        args.append('--binary')
+
     if rev1 and rev2:
-        diff_str = _output(['git-diff-tree', '-p', rev1, rev2, '--'] + files)
+        diff_str = _output(['git-diff-tree', '-p'] + args
+                           + [rev1, rev2, '--'] + files)
     elif rev1 or rev2:
         refresh_index()
         if rev2:
-            diff_str = _output(['git-diff-index', '-p', '-R', rev2, '--'] + files)
+            diff_str = _output(['git-diff-index', '-p', '-R']
+                               + args + [rev2, '--'] + files)
         else:
-            diff_str = _output(['git-diff-index', '-p', rev1, '--'] + files)
+            diff_str = _output(['git-diff-index', '-p']
+                               + args + [rev1, '--'] + files)
     else:
         diff_str = ''