1 files changed, 78 insertions, 0 deletions
diff --git a/utils/gen_fast_metamanifest.py b/utils/gen_fast_metamanifest.py
new file mode 100755
index 0000000..b95c08e
--- /dev/null
+++ b/utils/gen_fast_metamanifest.py
@@ -0,0 +1,78 @@
+#!/usr/bin/env python
+# Ultra-optimized Meta-Manifest writing.
+# (c) 2017 Michał Górny
+# Licensed under the terms of 2-clause BSD license
+
+import datetime
+import glob
+import io
+import os
+import os.path
+import subprocess
+import sys
+
+sys.path.insert(0, os.path.dirname(__file__))
+
+import gen_fast_manifest
+
+
+def manifest_dir_generator():
+    with io.open('profiles/categories', 'r') as f:
+        categories = [x.strip() for x in f]
+
+    for c in categories:
+        # all package directories
+        for d in glob.glob(os.path.join(c, '*/')):
+            yield d
+        # category directory
+        yield c
+        # md5-cache for the category
+        yield os.path.join('metadata/md5-cache', c)
+
+    # few special metadata directories
+    yield 'metadata/glsa'
+    yield 'metadata/md5-cache'
+    yield 'metadata/news'
+
+    # top-level dirs
+    yield 'metadata'
+    yield 'eclass'
+    yield 'licenses'
+    yield 'profiles'
+
+    # finally, the whole repo
+    yield '.'
+
+
+def gen_metamanifest(top_dir):
+    os.chdir(top_dir)
+    alldirs = manifest_dir_generator()
+
+    # pre-populate IGNORE entries
+    with io.open('metadata/Manifest', 'wb') as f:
+        f.write(b'''IGNORE timestamp
+IGNORE timestamp.chk
+IGNORE timestamp.commit
+IGNORE timestamp.x
+''')
+    with io.open('Manifest', 'wb') as f:
+        f.write(b'''IGNORE distfiles
+IGNORE local
+IGNORE packages
+''')
+
+    # call the fast-gen routine
+    for path in alldirs:
+        gen_fast_manifest.gen_manifest(path)
+
+    # write timestamp
+    with io.open('Manifest', 'ab') as f:
+        f.write(datetime.datetime.utcnow().strftime('TIMESTAMP %Y-%m-%dT%H:%M:%SZ\n').encode('ascii'))
+
+
+if __name__ == '__main__':
+    if len(sys.argv) != 2:
+        print('Usage: {} <top-directory>'.format(sys.argv[0]))
+        sys.exit(1)
+
+    gen_metamanifest(sys.argv[1])