Change _small.db layout a bit, to include virtual packages consisely at the

[deb/packages.git] / BACKEND

diff --git a/BACKEND b/BACKEND
index f3a57537e4372fa8b98eced5faaf0a6f0897b5ac..445a45db391b046c22b775402eea2e8026bb78b9 100644 (file)
--- a/BACKEND
+++ b/BACKEND
@@ -20,14 +20,14 @@ Generated by means of Packages.gz files:
 |  value: \0 separated tuples of "archive suite arch component section priority version shortdescription"
 |          (so you can split on spaces in 8 pieces, but need to not split further
 |          because shortdescription can have spaces)
-|          arch can also be 'virtual', with c/s/p/v being undefined then, and
-|          shortdescription being a space-separated list of packages providing
-|          the package that is the key
   Notes: - maybe add did right before shortdescription?
-         - TODO: make sure for each (archive,suite), newest package is shown
-           first, and all newest versions for each such section is first, so
-           that one can efficiently lookup just the newest entry for a given
-           (archive,suite)
+                - for each suite, newest package is shown first, and (suite,
+                  architecture) is unique, the newest one is choosen. Once you find
+                  the right suite, you know you've got the newest, once you found
+                  your (suite,arch), you know you've found the only unique such entry
+                - The very first element is different (TODO: maybe should be
+                  different DB then?), a \01 separated hash of suite -> provided-by,
+                  like "suite1\01prov1 prov2\01suite2\01prov1"
 
 | package_postfixes.db:
 |  key: a postfix string of a package name