project.py: fix performance issue with --reference when the mirrored repository has many refs
Change-Id: Id0183903597f872eee80ca32a8050125b187a3d4
diff --git a/project.py b/project.py
index 0d60fc6..ae771c4 100644
--- a/project.py
+++ b/project.py
@@ -1963,15 +1963,17 @@
ids.add(ref_id)
tmp.add(r)
- tmp_packed = ''
- old_packed = ''
+ tmp_packed_lines = []
+ old_packed_lines = []
for r in sorted(all_refs):
line = '%s %s\n' % (all_refs[r], r)
- tmp_packed += line
+ tmp_packed_lines.append(line)
if r not in tmp:
- old_packed += line
+ old_packed_lines.append(line)
+ tmp_packed = ''.join(tmp_packed_lines)
+ old_packed = ''.join(old_packed_lines)
_lwrite(packed_refs, tmp_packed)
else:
alt_dir = None
