1 files changed, 55 insertions, 0 deletions
diff --git a/scripts.new/bin/fill-cache b/scripts.new/bin/fill-cache
new file mode 100755
index 0000000..ebb8bf9
--- /dev/null
+++ b/scripts.new/bin/fill-cache
@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-
+
+import csv
+import argparse
+import json
+
+
+def import_LUT(src):
+    with open(src) as srcf:
+        return json.loads(srcf.read())
+
+
+def lookup(LUT, category, pkg, SLOT):
+    try:
+        return LUT[category][pkg][SLOT]
+    except:
+        return []
+
+
+parser = argparse.ArgumentParser(
+    description='Lookup [groupId][artifactId] related to [category][pkg name] and fill a new cache')
+parser.add_argument('--src-cache', dest='src', action='store',
+                    required=True, help='source cache file, with no (groupId, artifactId)')
+parser.add_argument('--dst-cache', dest='dst', action='store',
+                    required=True, help='the cache have (groupId, artifactId)')
+parser.add_argument('--LUT', dest='lut', action='store',
+                    required=True, help='the lookup table mapping Gentoo pkgs and Maven pkgs')
+
+if __name__ == '__main__':
+    args = parser.parse_args()
+
+    LUT = import_LUT(args.lut)
+
+    old_cache = csv.reader(
+        open(args.src, 'r'),
+        delimiter=':')
+    new_cache = csv.writer(
+        open(args.dst, 'w'),
+        delimiter=':',
+        lineterminator='\n')
+
+    for line in old_cache:
+        if len(line) == 1:
+            new_cache.writerow(line)
+        elif line[0].startswith('#'):
+            new_cache.writerow(line)
+        elif line[5]:
+            # if it already has an equibalent groupId
+            new_cache.writerow(line)
+        else:
+            for equiv_id in lookup(LUT, line[0], line[1], line[3]):
+                line[5:7] = equiv_id
+                line[7] = line[2]
+                new_cache.writerow(line)