---
 bin/egencache | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/bin/egencache b/bin/egencache
index 6407a44..11f49c6 100755
--- a/bin/egencache
+++ b/bin/egencache
@@ -170,6 +170,12 @@ def parse_args(args):
                help="output file for use.local.desc data (or '-' for stdout)",
                dest="uld_output")
 
+       uc = parser.add_argument_group('--update-changelogs options')
+       uc.add_argument("--changelog-output",
+               help="output filename for change logs",
+               dest="changelog_output",
+               default="ChangeLog")
+
        options, args = parser.parse_known_args(args)
 
        if options.jobs:
@@ -739,7 +745,7 @@ class _special_filename(_filename_base):
                        return self.file_name < other.file_name
 
 class GenChangeLogs(object):
-       def __init__(self, portdb):
+       def __init__(self, portdb, changelog_output):
                self.returncode = os.EX_OK
                self._portdb = portdb
                self._wrapper = textwrap.TextWrapper(
@@ -747,6 +753,7 @@ class GenChangeLogs(object):
                                initial_indent = '  ',
                                subsequent_indent = '  '
                        )
+               self._changelog_output = changelog_output
 
        @staticmethod
        def grab(cmd):
@@ -756,7 +763,7 @@ class GenChangeLogs(object):
 
        def generate_changelog(self, cp):
                try:
-                       output = io.open('ChangeLog',
+                       output = io.open(self._changelog_output,
                                mode='w', encoding=_encodings['repo.content'],
                                errors='backslashreplace')
                except IOError as e:
@@ -1132,7 +1139,8 @@ def egencache_main(args):
                ret.append(gen_desc.returncode)
 
        if options.update_changelogs:
-               gen_clogs = GenChangeLogs(portdb)
+               gen_clogs = GenChangeLogs(portdb,
+                       changelog_output=options.changelog_output)
                gen_clogs.run()
                ret.append(gen_clogs.returncode)
 
-- 
2.6.2


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