Reorganize the build-farm "prepare-source" magic a little.

This makes it easier for a user to request a copy of the
configure scripts via rsync ("./prepare-source fetch").

configure

@@ -6,23 +6,21 @@
 dir=`dirname $0`
 realconfigure="$dir/configure.sh"
 
-if [ ! -f "$realconfigure" ]; then
+if test ! -f "$realconfigure"; then
     if test x"$dir" != x -a x"$dir" != x.; then
 	curdir=`pwd`
 	cd "$dir"
     else
 	curdir=''
     fi
-    if make -f prepare-source.mak conf; then
-	:
-    elif [ -f "$HOME/build_farm/build_test.fns" ]; then
+    if test -f "$HOME/build_farm/build_test.fns"; then
 	# Allow the build farm to grab latest files via rsync.
-	if perl --version >/dev/null; then
-	    files='c*'
-	else
-	    files='[cp]*'
-	fi
-	rsync -pvz rsync://rsync.samba.org/rsyncftp/generated-files/"$files" .
+	fetch=fetch
+    else
+	fetch=''
+    fi
+    if ./prepare-source $fetch; then
+	:
     else
 	echo 'Failed to build configure.sh and/or config.h.in -- giving up.' >&2
 	rm -f "$realconfigure"

prepare-source

 #!/bin/sh
-# Use autoconf, autoheader, yodl, etc. to ready the generated files in the
-# release.  This is typically used after applying a diff from the "patches"
-# directory in a CVS-checked-out version.
-#
-# NOTE:  if you use a diff from the "patches" directory of a *release tar*
-# (as opposed to from CVS), this is not needed (but doesn't hurt anything).
+# Use autoconf and autoheader to create configure.sh and config.h.in.
+# If unsuccessful and the "fetch" option was provided, grab the latest
+# development versions of these files (only useful with a dev checkout).
 dir=`dirname $0`
 if test x"$dir" != x -a x"$dir" != x.; then
     cd "$dir"
 fi
-make -f prepare-source.mak
+if make -f prepare-source.mak; then
+    :
+elif test x"$1" = x"fetch"; then
+    if perl --version >/dev/null 2>/dev/null; then
+	files='c*'
+    else
+	files='[cp]*'
+    fi
+    rsync -pvz rsync://rsync.samba.org/rsyncftp/generated-files/"$files" .
+else
+    exit 1
+fi