Re: How to delete old yumdb entries?

[James Antill <james-yum@xxxxxxx>]

Mike Fleetwood <mike.fleetwood@xxxxxxxxxxxxxx> writes:

> Hi,
>
> I always upgrade my Fedora OS and this seems to have lead to a lot of
> old entries in my yumdb for old packages from previous versions of
> Fedora, which take quite a bit of space.  Is there anything special I
> need to do to delete them or do I just use rm?
>
> Commands below suggest at about 3/4 of the entries are for old
> packages from previous versions of Fedora.

 That's a lot, as this should only happen when transactions are
aborted before yum runs the cleanup on delete ... try this:

diff --git a/yumdb.py b/yumdb.py
index 8a4888e..ac683bf 100755
--- a/yumdb.py
+++ b/yumdb.py
@@ -7,8 +7,24 @@ import fnmatch
 import yum
 import shlex
 
+import os
+import glob
+
 parser = None
 
+# FIXME: Internal knowledge
+def _load_all_package_paths(db_path):
+    # glob the path and get a dict of pkgs to their subdir
+    glb = '%s/*/*/' % db_path
+    pkgdirs = glob.glob(glb)
+    _packages = {}
+    for d in pkgdirs:
+        if d[-1] == '/':
+            d = d[:-1]
+        pkgid = os.path.basename(d).split('-')[0]
+        _packages[pkgid] = d
+    return _packages
+
 def setup_opts():
     version = "0.0.1"
     vers_txt = "Manage yum groups metadata version %s" % version
@@ -183,6 +199,14 @@ def run_cmd(yb, args, inshell=False):
                 if ykey not in ndata:
                     continue
                 print " " * 4, ykey, '=', getattr(pkg.yumdb_info, ykey)
+    elif args[0] == 'extra':
+        yumdb_packages = _load_all_package_paths(yb.rpmdb.yumdb.conf.db_path)
+        for pkg in sorted(yb.rpmdb.returnPackages()):
+            if pkg.pkgid in yumdb_packages:
+                del yumdb_packages[pkg.pkgid]
+        for pkgid in yumdb_packages:
+            print "%s: %s" % (pkgid, yumdb_packages[pkgid])
+
     elif args[0] == 'shell' and not inshell:
         args.pop(0)
         if args:

...those dirs. should be safe to just delete (rm -rf), we can look at
doing something to make it a bit easier.

-- 
James Antill -- james@xxxxxxx
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