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/

scripts/gitenealogy

@@ -14,15 +14,30 @@
 
 usage()
 {
-    echo "usage: $0 path" 2>&1
+    cat <<EOF 2>&1
+usage: $0 repo-dir path
+
+  The file to trace must be at repo-dir/path
+EOF
     exit 1
 }
 
 
-[ -z "$1" -o ! -z "$2" ] && usage
-[ ! -f "$1" ] && usage
+if [ -z "$2" -o ! -z "$3" ]; then
+    usage
+fi
 
-git log --follow --name-status "$1" |
+if [ ! -d "$1" -o ! -d "$1/.git" ]; then
+    echo "no git repository at $1" 1>&2
+    exit 1
+fi
+if [ ! -f "$1/$2" ]; then
+    echo "cannot find $2" 2>&1
+    exit 1
+fi
+
+cd "$1" || exit
+git log --follow --name-status "$2" |
     awk '
 /^commit /{ if (c) print c, n; c = $2 }
 { if (NF) n = $(NF) }

scripts/schhist2web

@@ -114,8 +114,8 @@ fi
 [ -z "$1" ] || usage
 
 PATH=`dirname "$0"`:"$PATH"
-first=`gitenealogy "$dir/$sch" | sed '$s/ .*//p;d'`
-schname=`gitenealogy "$dir/$sch" | sed '$s/^.* //p;d'`
+first=`gitenealogy "$dir" "$sch" | sed '$s/ .*//p;d'`
+schname=`gitenealogy "$dir" "$sch" | sed '$s/^.* //p;d'`
 
 rm -rf "$out/diff_*" "$out/thumb_*" "$out/names"
 $no_cache && rm -rf "$cache"
@@ -123,11 +123,11 @@ mkdir -p "$out/names"
 mkdir -p "$cache"
 
 head=
-for n in $first `git rev-list --reverse $first..HEAD`; do
-    git show  --pretty=format:'' --name-only $n |
+for n in $first `cd "$dir" && git rev-list --reverse $first..HEAD`; do
+    ( cd "$dir" && git show  --pretty=format:'' --name-only $n; ) |
       egrep -q '\.sch$|\.pro$|\.lib$' || continue
     echo Processing $n
-    new=`gitenealogy "$dir/$sch" | sed "/^$n /s///p;d"`
+    new=`gitenealogy "$dir" "$sch" | sed "/^$n /s///p;d"`
     if [ ! -z "$new" ]; then
 	echo Name change $schname to $new 1>&2
 	schname="$new"
@@ -181,7 +181,7 @@ EOF
 } >"$index"
 
 next="$head"
-for n in `git rev-list $first..HEAD~1` $first; do
+for n in `cd "$dir" && git rev-list $first..HEAD~1` $first; do
     [ -d "$cache/ppm_$n" ] || continue
     empty=true
     s="<TR><TR>"
@@ -229,7 +229,7 @@ $s<TD valign="middle">
 EOF
     mkdir -p "$out/diff_$next" "$out/thumb_$next"
 	    echo "<PRE>"
-	    git log --pretty=short $next~1..$next |
+	    ( cd "$dir" && git log --pretty=short $next~1..$next; ) |
 	      if [ -z "$SCHHIST_COMMIT_TEMPLATE" ]; then
 		cat
 	      else