* reinstall, install, remove paths:

  - if there are changes in the config file, keep them, store
    new config file with ".new" prefix in that case. don't ask 
    me why it took this many changes. all tested well.

AUTHORS

-Authors:
+Authors and contributors
+------------------------
 
 Eray Özkural <eray [at] pardus.org.tr>
 Barış Metin <baris [at] pardus.org.tr>
-A. Murat Eren <meren [at] pardus.org.tr>
 S. Çağlar Onur <caglar [at] pardus.org.tr>
+A. Murat Eren <meren [at] pardus.org.tr>
+Faik Uygur <faik [at] pardus.org.tr>
 Gürer Özen <gurer [at] pardus.org.tr>
 İsmail Dönmez <ismail [at] pardus.org.tr>
-Faik Uygur <faik [at] pardus.org.tr>
+Görkem Çetin <gorkem [at] pardus.org.tr>
 Bahadır Kandemir <bahadir [at] pardus.org.tr>
+Ahmet Aygun <ahmet.aygun [at] pardus.org.tr>
+Onur Küçük <onur [at] pardus.org.tr>
+Furkan Duman <fduman [at] pardus.org.tr>

pisi/atomicoperations.py

@@ -27,13 +27,11 @@ import pisi.packagedb as packagedb
 import pisi.dependency as dependency
 import pisi.util as util
 from pisi.specfile import *
-#from pisi.package import Package
 from pisi.metadata import MetaData
 from pisi.files import Files
 from pisi.uri import URI
 import pisi.ui
 from pisi.version import Version
-#import conflicts
 
 class Error(pisi.Error):
     pass
@@ -268,6 +266,7 @@ class Install(AtomicOperation):
 
         ctx.ui.notify(pisi.ui.extracting, package = self.pkginfo, files = self.files)
 
+        config_changed = []
         if self.reinstall:
             # remove left over files
             new = set(map(lambda x: str(x.path), self.files.list))
@@ -276,11 +275,46 @@ class Install(AtomicOperation):
             old_fileinfo = {}
             for fileinfo in self.old_files.list:
                 old_fileinfo[str(fileinfo.path)] = fileinfo
-            for path in old:
-                if path in leftover or old_fileinfo[path].type == ctx.const.conf:
+            for path in leftover:
                     Remove.remove_file( old_fileinfo[path] )
+                    
+            # handle special cases for upgrades
+            overlap = old & new
+            self.files.list.sort(key=lambda x:x.path)
+            self.old_files.list.sort(key=lambda x:x.path)
+            def get_upgrades(list):
+                return filter(lambda x : str(x.path) in overlap, list)
+            (upgrade_new, upgrade_old) = map(get_upgrades, [self.files.list, self.old_files.list])
+            for newf, oldf in zip(upgrade_new, upgrade_old):
+                assert newf.path == oldf.path
+                if newf.type == 'config' and oldf.type == 'config': # config upgrade
+                    fpath = pisi.util.join_path(ctx.config.dest_dir(), oldf.path)
+                    if os.path.exists(fpath) and pisi.util.sha1_file(fpath) != oldf.hash:
+                        # old config file changed, don't overwrite                        
+                        config_changed.append(fpath)
+                        if os.path.exists(fpath + '.old'):
+                            os.unlink(fpath + '.old')
+                        os.rename(fpath, fpath + '.old')
+                    else:
+                        # old config file not changed, overwrite
+                        pass
+        else:
+            for file in self.files.list:
+                if file.type == 'config':
+                    fpath = pisi.util.join_path(ctx.config.dest_dir(), file.path)
+                    if os.path.exists(fpath): # there is an old config file lying around
+                        config_changed.append(fpath)
+                        if os.path.exists(fpath + '.old'):
+                            os.unlink(fpath + '.old')
+                        os.rename(fpath, fpath + '.old')
 
         self.package.extract_install(ctx.config.dest_dir())
+        
+        for path in config_changed:
+            if os.path.exists(path + '.new'):
+                os.unlink(path + '.new')
+            os.rename(path, path + '.new')
+            os.rename(path + '.old', path)
 
     def store_pisi_files(self):
         """put files.xml, metadata.xml, actions.py and COMAR scripts
@@ -415,14 +449,19 @@ class Remove(AtomicOperation):
         ctx.ui.notify(pisi.ui.removed, package = self.package, files = self.files)
 
     def check_dependencies(self):
+        #FIXME: why is this not implemented? -- exa
         #we only have to check the dependencies to ensure the
         #system will be consistent after this removal
         pass
         # is there any package who depends on this package?
 
+    @staticmethod
     def remove_file(fileinfo):
         fpath = pisi.util.join_path(ctx.config.dest_dir(), fileinfo.path)
 
+        # FIXME: the following is obsolete becuase --ignore-file-conflicts
+        # is just a workaround that will be removed soon. --exa
+
         # we should check if the file is also provided by another
         # package (this is clearly the package's fault but we
         # shouldn't left system in an inconsistent state).
@@ -432,17 +471,14 @@ class Remove(AtomicOperation):
                 ctx.ui.warning(_('Not removing conflicted file : %s') % fpath) 
                 return
 
-        # TODO: We have to store configuration files for futher
-        # usage. Currently we'are doing it like rpm does, saving
-        # with a prefix and leaving the user to edit it. In the future
-        # we'll have a plan for these configuration files.
         if fileinfo.permanent:
             # do not remove precious files :)
-            # just write anything permanent="true" for instance
-            return
-        if fileinfo.type == ctx.const.conf:
-            if os.path.isfile(fpath):
-                os.rename(fpath, fpath + ".oldconfig")
+            pass
+        elif fileinfo.type == ctx.const.conf:
+            # config files are precious, leave them as they are
+            # unless they are the same as provided by package.
+            if os.path.exists(fpath) and pisi.util.sha1_file(fpath) == fileinfo.hash:
+                os.unlink(fpath)
         else:
             if os.path.isfile(fpath) or os.path.islink(fpath):
                 os.unlink(fpath)
@@ -458,8 +494,6 @@ class Remove(AtomicOperation):
                 os.rmdir(dpath)
                 dpath = os.path.dirname(dpath)
 
-    remove_file = staticmethod(remove_file)
-    
     def run_preremove(self):
         if ctx.comar and self.package.providesComar:
             import pisi.comariface as comariface
@@ -471,7 +505,7 @@ class Remove(AtomicOperation):
                 else:
                     raise e
         else:
-            # TODO: store this somewhere
+            # FIXME: store this somewhere
             pass
 
     def remove_pisi_files(self):

pisi/environment.py

@@ -58,8 +58,8 @@ def read_env_d(envdir):
         # skip backup and version control files
         if name.endswith("~") or name.endswith(".bak") or name.endswith(",v"):
             continue
-        # skip pisi's .oldconfig files
-        if name.endswith(".oldconfig"):
+        # skip pisi's new config files
+        if name.endswith(".new"):
             continue
         paths.append(path)
     paths.sort()