Allow schhist2web and friends to run from a directory outside the working tree.

- scripts/gitenealogy: now requires the repository directory to be passed
- scripts/schhist2web: adapted for above change
- scripts/schhist2web: change to the repository's directory before each
  call to git
- scripts/Makefile: added demo upload and Xue build
- scripts/Makefile (all): added usage information

scripts/Makefile

@@ -1,9 +1,31 @@
-.PHONY:		all ben-wpan-schhist
+SHELL = /bin/bash
+
+.PHONY:		all ben-wpan-schhist xue-schhist
+
+# All the targets are for demo purposes pnly !
 
 all:
+		@echo "possible targets:" 2>&1
+		@echo "  ben-wpan-schhist ben-wpan-schhist-upload" 2>&1
+		@echo "  xue-schhist xue-schhist-upload" 2>&1
+		@exit 1
 
 ben-wpan-schhist:
 	SCHHIST_TITLE=ben-wpan/atrf \
 	  SCHHIST_HOME_URL=http://projects.qi-hardware.com/index.php/p/ben-wpan/ \
 	  SCHHIST_COMMIT_TEMPLATE='http://projects.qi-hardware.com/index.php/p/ben-wpan/source/commit/{}/' \
 	  ./schhist2web atrf/wpan-atrf.sch
+
+ben-wpan-schhist-upload:
+	 rsync -a --progress _out/{index.html,unchanged.png,thum*,diff*} \
+	   werner@host:/home/httpd/almesberger/misc/ben/demo/
+
+xue-schhist:
+	SCHHIST_TITLE=Xue \
+	  SCHHIST_HOME_URL=http://projects.qi-hardware.com/index.php/p/xue/ \
+	  SCHHIST_COMMIT_TEMPLATE='http://projects.qi-hardware.com/index.php/p/xue/source/commit/{}/' \
+	  ./schhist2web ../../xue kicad/xue-rnc/xue-rnc.sch _xue
+
+xue-schhist-upload:
+	 rsync -a --progress _xue/{index.html,unchanged.png,thum*,diff*} \
+	   werner@host:/home/httpd/almesberger/misc/ben/demo2/