X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=blobdiff_plain;f=adu.ggo;h=643bbbff618728a865fd779aa29c363812b40f3c;hp=5da5908d7b9d7c467eac1044f0b3a75306028822;hb=2e24b91148dda8ea52b308a4b5e0ef08c0f11267;hpb=1bcb6f2930d9cfcd649f2cfcef5032f9ae53ca7a

diff --git a/adu.ggo b/adu.ggo
index 5da5908..643bbbf 100644
--- a/adu.ggo
+++ b/adu.ggo
@@ -1,4 +1,4 @@
-# Copyright (C) 2008 Andre Noll <maan@systemlinux.org>
+# Copyright (C) 2008 Andre Noll <maan@tuebingen.mpg.de>
 #
 # Licensed under the GPL v2. For licencing details see COPYING.
 
@@ -14,17 +14,6 @@ usage patterns of subdirectories and/or files owned by a given user id.
 section "General options"
 #########################
 
-option "database-dir" d
-#~~~~~~~~~~~~~~~~~~~~~~
-"directory containing the osl tables"
-string typestr="path"
-required
-details="
-	Full path to the directory containing the osl tables. This
-	directory must exist. It must be writable for the user running
-	adu in --create mode and readable in --select mode.
-
-"
 option "loglevel" l
 #~~~~~~~~~~~~~~~~~~
 "Set loglevel (0-6)"
@@ -36,6 +25,46 @@ details="
 	goes to stdout. Lower values mean more verbose logging.
 "
 
+defgroup "database"
+#==================
+groupdesc="
+	There are two ways to specify a database directory. You can either
+	specify a full path using the database-dir option or a root path
+	using the database-root option. In the latter case, a directory
+	structure matching that of the base-dir argument is created
+	below the given full path.
+
+	The advantage of using database-root is that the base-dir is
+	used to find the relevant database both in create and select mode
+	and you do not have to care for setting the database-dir explicitly.
+"
+
+groupoption "database-dir" d
+#~~~~~~~~~~~~~~~~~~~~~~~~~~~
+"directory containing the osl tables"
+group="database"
+string typestr="path"
+details="
+	Full path to the directory containing the osl tables. This
+	directory is created if it does not exist. It must be writable for the
+	user running adu in --create mode and readable in --select mode.
+"
+
+groupoption "database-root" r
+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+"directory containing directories containing the osl tables"
+group="database"
+string typestr="path"
+default="/var/lib/adu"
+dependon="base-dir"
+optional
+details="
+	Base path to the directory containing the osl tables. The real
+	database-dir is generated by appending base-dir. This
+	directory is created if it does not exist. When used in select
+	mode you have to specify the base-dir as well.
+"
+
 ###############
 section "Modes"
 ###############
@@ -46,7 +75,6 @@ groupdesc="
 	adu may be started in one of three possible modes, each of
 	which corresponds to a different command line option. Exactly
 	one of these options must be given.
-
 "
 required
 
@@ -93,7 +121,6 @@ option "base-dir" b
 #~~~~~~~~~~~~~~~~~~
 "directory to traverse"
 string typestr="path"
-dependon="create"
 optional
 details="
 	The base directory to be traversed recursively. A warning
@@ -126,6 +153,36 @@ details="
 	users. Decreasing the value causes adu to use slightly less memory.
 "
 
+option "bloom-filter-order" B
+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+"use bloom filters for hard link detection"
+int typestr="order"
+dependon="create"
+default="23"
+optional
+details="
+	Allocate bloom filters of size 2^order bits. Each regular
+	file with hard link count greater than one is added to these
+	filters which allows to detect hard links on a per-user basis.
+	Greater values reduce the probability of false positives but
+	require more memory.
+
+	Values less than 10 deactivate this feature so that no hard
+	links are being detected.
+"
+
+option "num-bloom-filter-hash-functions" N
+#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+"number of hash functions for the bloom filters"
+int typestr="num"
+dependon="create"
+default="10"
+optional
+details="
+	Cause each entry which is added to the bloom filter to set
+	\"num\" bits of the bloom filter.
+"
+
 ##############################
 section "Options for --select"
 ##############################