Add new file

arch-setup/arch-pacman-cleanup.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+
+import os,re, datetime
+d = '/var/lib/pacman/local'
+
+packages = os.listdir(d)
+packages.sort()
+packages.remove('ALPM_DB_VERSION')
+
+pkgname_search = re.compile('^(.*?)-[0-9]')
+
+old_packages = []
+
+for pkg1 in packages:
+        if pkg1 in old_packages:
+                continue
+                
+        #get package name
+        matches = pkgname_search.findall(pkg1)
+        print(pkg1)
+        if matches == []:
+                continue
+        pkgname = matches[0]
+        
+        #look for other items with the same package name
+        for pkg2 in packages:
+                if pkg2 == pkg1:
+                        continue
+                if pkg2 in old_packages:
+                        continue
+                if pkgname == pkgname_search.findall(pkg2)[0]:
+                        # We now have two duplicate packages, we want to delete the old one
+                        
+                        old_package = pkg1
+                        path1 = os.path.join(d,pkg1)
+                        path2 = os.path.join(d,pkg2)
+                        if os.stat(path1).st_mtime > os.stat(path2).st_mtime:
+                                old_package = pkg2
+                        
+                        old_packages.append(old_package)
+                        #print ('duplicate found:\t')
+                        #print (pkg1)
+                        #print (pkg2)
+                        #print ('old:', old_package)
+                        
+                        oldpath = os.path.join(d,old_package)
+                        target = os.path.join('/var/lib/pacman/OLD',old_package)
+                        cmd = 'mv "%s" "%s"' % (oldpath, target)
+                        
+                        #double-check that the oldpath still exists (it may have been removed in a previous pass)
+                        if os.path.exists(oldpath):
+                                print(cmd)
+                                os.system(cmd)