jcs: Ongoing improvements

- Add option -p <prefix> to jcs install
  - Replace jcs install by sudo jcs install here and there
  - Remove /etc/jcs/jcs.mk on init

scripts/jcs

@@ -188,6 +188,11 @@ usage() {
 			echo done
 		fi
 	fi
+	if [ -f /etc/jcs/jcs.mk ]; then
+		echo -n " + removing /etc/jcs/jcs.mk ... "
+		rm /etc/jcs/jcs.mk
+		echo done
+	fi
 	# --- be downward compatible <
 	# --- be downward compatible >
 	if [ -f /etc/jcs/jcs.mk ] ; then
@@ -317,23 +322,25 @@ usage() {
 # ============================ here we go!
 # ================================================
 
-set -- `getopt b:htf $*`
+set -- `getopt b:p:htf $*`
 while [ ! "$1" = "--" ] ; do
   case $1 in
   -b)
   	BCKPDIR=$2
-	shift 2;;
-  -f)
-  	FORCE=1
 	shift;;
+  -f)
+  	FORCE=1;;
   -t)
-  	TEST=1
+  	TEST=1;;
+  -p)
+  	PREFIX=$2
 	shift;;
   -h)
   	usage; exit 0;;
    *)
 	usage; exit 1;;
    esac
+shift
 done
 shift
 	
@@ -408,6 +415,9 @@ for NEXT_SECTION in $SECTIONS "$LAST_LINE_MARKER"; do
       BACKUP_GROUP=$cfg_jcs_group
     fi
   fi
+  if [ -n "$PREFIX" ]; then
+    TARGET_DIR=$PREFIX/$TARGET_DIR
+  fi
   if [ ! -d "$TARGET_DIR" ] ; then
     if [ -z "$TARGET_DIR_MODE" ] ; then
 	echo "Don't know how to create target directory \"$TARGET_DIR\". TARGET_DIR_MODE not specified."
@@ -484,6 +494,10 @@ for NEXT_SECTION in $SECTIONS "$LAST_LINE_MARKER"; do
     # ------------ execute shell scripts
     exec_scripts $SECTION
 
+    if [ -n "$PREFIX" ]; then
+      TARGET_DIR=$PREFIX/$TARGET_DIR
+    fi
+
     echo "---- Section [$SECTION] -- installing $INSTALLATION_SUBJECT ----" 
     echo "             ($SOURCE_DIR -> $TARGET_DIR)" 
    
@@ -1873,11 +1887,11 @@ define recurse_subdirs
 endef
 
 %.done: %.inf
-	jcs install $<
+	sudo jcs install $<
 	touch $@
 
 %.su_done: %.inf
-	jcs install -b setup -f $<
+	sudo jcs install -b setup -f $<
 	touch $@
 
 install_inf: $(INF_DONE)
@@ -1885,7 +1899,7 @@ install_inf: $(INF_DONE)
 install_inf.old: checkroot checkdirs
 	@echo "####" checking installation information files ... ;\
 	if [ -n "`find . -name '*.inf' -maxdepth 1`" ] ; then \
-		jcs install *.inf ;\
+		sudo jcs install *.inf ;\
 	fi |  $(TEE) -a $(INSTALL_LOG)
 
 install_link:
@@ -1901,7 +1915,7 @@ setup_inf: $(INF_SU_DONE)
 setup_inf.old: checkroot checkdirs
 	@echo "####" checking installation information files ... ;\
 	if [ -n "`find . -name '*.inf' -maxdepth 1`" ] ; then \
-		jcs install -b setup -f *.inf ;\
+		sudo jcs install -b setup -f *.inf ;\
 	fi | $(TEE) -a $(SETUP_LOG)
 
 setup_link: checkroot checkdirs
@@ -1913,7 +1927,7 @@ setup_link: checkroot checkdirs
 test_inf: checkdirs
 	@echo "####" testing installation information files ... ;\
 	if [ -n "`find . -name '*.inf' -maxdepth 1`" ] ; then \
-		jcs install *.inf -t ;\
+		sudo jcs install *.inf -t ;\
 	fi | $(TEE) -a $(INSTALL_LOG)
 
 test_link: checkdirs
@@ -1952,7 +1966,7 @@ dist: clean
 	mv $(MOD).tar.gz $(MOD)
 	
 checkroot:
-	@if [ `whoami` != root ] ; then echo "Only root can do this." >&2; exit 1; fi
+#	@if [ `whoami` != root ] ; then echo "Only root can do this." >&2; exit 1; fi
 
 checkdirs:
 	@test -f /etc/jcs/jcs.conf || exit 1 ;\