add doxygen script updating gh-pages

diff --git a/doxygen_gh-pages.sh b/doxygen_gh-pages.sh
new file mode 100755 (executable)
index 0000000..770f098
--- /dev/null
+++ b/doxygen_gh-pages.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+set -e
+
+TMPDIR=$(mktemp -d)
+git-new-workdir . $TMPDIR gh-pages
+
+( \
+       cat Doxyfile; \
+       echo "OUTPUT_DIRECTORY=$TMPDIR"; \
+       echo "HTML_OUTPUT=."; \
+) | doxygen -
+
+cd $TMPDIR
+git add -A
+git commit -m "update docs"
+cd -
+rm -r $TMPDIR
+