X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=adu.ggo;h=873cc22cdca5d2102f27fc3731515c9e84048d3c;hb=e505632b96561200b3d5d308b14b853d48952aab;hp=84187eb19b7f52667242f9e882fe22872103bb14;hpb=7231c544e2ee3f53f5b2c8bc393b7fd1e0b8d0a7;p=adu.git

diff --git a/adu.ggo b/adu.ggo
index 84187eb..873cc22 100644
--- a/adu.ggo
+++ b/adu.ggo
@@ -26,17 +26,6 @@ details="
 	line option takes precedence.
 "
 
-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)"
@@ -48,6 +37,46 @@ 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"
 ###############
@@ -58,7 +87,6 @@ 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
 
@@ -105,7 +133,6 @@ option "base-dir" b
 #~~~~~~~~~~~~~~~~~~
 "directory to traverse"
 string typestr="path"
-dependon="create"
 optional
 details="
 	The base directory to be traversed recursively. A warning