More flexible configuration of the path to SQL script files. There is a new

configuration option in the script containing the default path to the
directory containing SQL script files. The value of that option will be
updated during make install. Relative pathnames are converted to absolute
pathnames with respect to the location of the ser_postgres.sh script.

scripts/postgres/ser_postgres.sh

@@ -11,6 +11,8 @@
 DEFAULT_DBNAME="ser"
 DEFAULT_SQLUSER="postgres"
 
+DEFAULT_SCRIPT_DIR=""
+
 DEFAULT_PSQL="/usr/bin/psql"
 DEFAULT_PG_DUMP="/usr/bin/pg_dump"
 
@@ -26,10 +28,10 @@ Usage: $COMMAND create  [database]
        $COMMAND drop    [database]
        $COMMAND backup  [database] <file> 
        $COMMAND restore [database] <file>
-   
-  Command 'create' creates database named '${DBNAME}' containing tables 
-  needed for SER and SERWeb. In addition to that two users are created, 
-  one with read/write permissions and one with read-only permissions.
+
+  Command 'create' creates database named '${DBNAME}' containing tables needed
+  for SER and SERWeb. In addition to that two users are created, one with
+  read/write permissions and one with read-only permissions.
 
   Commmand 'drop' deletes database named '${DBNAME}' and associated users.
 
@@ -86,7 +88,7 @@ db_drop()
     # Revoke user permissions
 
     echo "Dropping database $1"
-    $CMD "template1" < ${DROP_SCRIPT}
+    $CMD "template1" < ${SCRIPT_DIR}/${DROP_SCRIPT}
     echo "DROP DATABASE $1" | $CMD "template1" 
 }
 
@@ -96,11 +98,22 @@ db_create ()
 {
     echo "Creating database $1"
     echo "CREATE DATABASE $1" | $CMD "template1"
-    $CMD $1 < $CREATE_SCRIPT
-    $CMD $1 < $DATA_SCRIPT
+    $CMD $1 < ${SCRIPT_DIR}/${CREATE_SCRIPT}
+    $CMD $1 < ${SCRIPT_DIR}/${DATA_SCRIPT}
 }
 
 
+# Convert relative path to the script directory to absolute if necessary by
+# extracting the directory of this script and prefixing the relative path with
+# it.
+abs_script_dir()
+{
+  	my_dir=`dirname $0`;
+  	if [ "${SCRIPT_DIR:0:1}" != "/" ] ; then
+  	    SCRIPT_DIR="${my_dir}/${SCRIPT_DIR}"
+  	fi
+}
+
 
 # Main program
 
@@ -138,6 +151,10 @@ if [ -z "$DROP_SCRIPT" ]; then
     DROP_SCRIPT=$DEFAULT_DROP_SCRIPT;
 fi
 
+if [ -z "$SCRIPT_DIR" ]; then
+	SCRIPT_DIR=$DEFAULT_SCRIPT_DIR;
+fi
+
 if [ $# -eq 0 ]; then
     usage
     exit 1
@@ -152,6 +169,8 @@ fi
 CMD="$PSQL ${DBHOST} -U $SQLUSER"
 DUMP_CMD="$PG_DUMP ${DBHOST} -U $SQLUSER"
 
+abs_script_dir
+
 case $1 in
     create) # Create SER database and users
 	shift