better archive directory handling

Adjust preferred content expressions so that content in archive directories
is preferred until it has reached an archive or smallarchive repository.

Types/StandardGroups.hs

@@ -55,21 +55,22 @@ descStandardGroup UnwantedGroup = "unwanted: remove content from this repository
 
 {- See doc/preferred_content.mdwn for explanations of these expressions. -}
 preferredContent :: StandardGroup -> String
-preferredContent ClientGroup = lastResort
-	"exclude=*/archive/* and exclude=archive/*"
-preferredContent TransferGroup = lastResort
-	"not (inallgroup=client and copies=client:2) and " ++ preferredContent ClientGroup
+preferredContent ClientGroup = lastResort $
+	"(exclude=*/archive/* and exclude=archive/*) or (" ++ notArchived ++ ")"
+preferredContent TransferGroup = lastResort $
+	"not (inallgroup=client and copies=client:2) and (" ++ preferredContent ClientGroup ++ ")"
 preferredContent BackupGroup = "include=*"
-preferredContent IncrementalBackupGroup = lastResort
+preferredContent IncrementalBackupGroup = lastResort $
 	"include=* and (not copies=incrementalbackup:1)"
 preferredContent SmallArchiveGroup = lastResort $
-	"(include=*/archive/* or include=archive/*) and " ++ preferredContent FullArchiveGroup
-preferredContent FullArchiveGroup = lastResort
-	"not (copies=archive:1 or copies=smallarchive:1)"
+	"(include=*/archive/* or include=archive/*) and (" ++ preferredContent FullArchiveGroup ++ ")"
+preferredContent FullArchiveGroup = lastResort notArchived
 preferredContent SourceGroup = "not (copies=1)"
-preferredContent ManualGroup = lastResort
-	"present and exclude=*/archive/* and exclude=archive/*"
+preferredContent ManualGroup = "present and (" ++ preferredContent ClientGroup ++ ")"
 preferredContent UnwantedGroup = "exclude=*"
+
+notArchived :: String
+notArchived = "not (copies=archive:1 or copies=smallarchive:1)"
   	
 {- Most repositories want any content that is only on untrusted
  - or dead repositories. -}

debian/changelog

@@ -6,6 +6,9 @@ git-annex (4.20130406) UNRELEASED; urgency=low
     remotes, to avoid delays.
     Thanks, guilhem for the patch.
   * Bugfix: Direct mode no longer repeatedly checksums duplicated files.
+  * Adjust preferred content expressions so that content in archive
+    directories is preferred until it has reached an archive or smallarchive
+    repository.
 
  -- Joey Hess <joeyh@debian.org>  Sat, 06 Apr 2013 15:24:15 -0400
 

doc/preferred_content.mdwn

@@ -86,9 +86,10 @@ any repository that can will back it up.)
 
 ### client
 
-All content is preferred, unless it's in a "archive" directory.
+All content is preferred, unless it's for a file in a "archive" directory,
+which has reached an archive repository.
 
-`(exclude=*/archive/* and exclude=archive/*) or (not copies=semitrusted+:1)`
+`((exclude=*/archive/* and exclude=archive/*) or (not (copies=archive:1 or copies=smallarchive:1))) or (not copies=semitrusted+:1)`
 
 ### transfer
 
@@ -100,7 +101,7 @@ USB drive used in a sneakernet.
 The preferred content expression for these causes them to get and retain
 data until all clients have a copy.
 
-`(not (inallgroup=client and copies=client:2) and exclude=*/archive/* and exclude=archive/*) or (not copies=semitrusted+:1)`
+`(not (inallgroup=client and copies=client:2) and ($client)`
 
 The "copies=client:2" part of the above handles the case where
 there is only one client repository. It makes a transfer repository
@@ -152,15 +153,18 @@ data until a copy has been sent to some other repository.
 
 ### manual
 
-This gives you full manual control over what content is stored in the
+This gives you nearly full manual control over what content is stored in the
 repository. This allows using the [[assistant]] without it trying to keep a
 local copy of every file. Instead, you can manually run `git annex get`,
-`git annex drop`, etc to manage content.
+`git annex drop`, etc to manage content. Only content that is present
+is preferred.
 
-Only content that is present is preferred. Content in "archive"
-directories is never preferred.
+The exception to this manual control is that content that a client
+repository would not want is not preferred. So, files in archive
+directories are not preferred once their content has 
+reached an archive repository.
 
-`(present and exclude=*/archive/* and exclude=archive/*) or (not copies=semitrusted+:1)`
+`present and ($client)`
 
 ### unwanted
 

doc/todo/assistant_smarter_archive_directory_handling.mdwn

@@ -27,3 +27,5 @@ Something vaguely like this should work as the preferred content
 expression for the clients:
 
 	exclude=archive/* or (include=archive/* and (not (copies=archive:1 or copies=smallarchive:1)))
+
+> [[done]] --[[Joey]]