doc: gitignore; ./build-website.bash --no-commit

.gitignore

@@ -4,4 +4,6 @@
 .*
 build/
 dist/
+doc/changelog.rst
 venv*
+website-build/

build-website.bash

@@ -3,12 +3,21 @@ set -e
 
 build="$PWD/website-build"
 usage="Builds eventlet.net website static pages into ${build}.
-Requires sphinx-build, git and Github account."
+Requires sphinx-build, git and Github account.
 
+  --no-commit        Just build HTML, skip any git operations."
+
+commit=1
 while [ -n "$1" ]; do
-	# TODO: parse args
+    case $1 in
+    --no-commit)
+        commit=0
+        ;;
+    *)
         echo "$usage" >&2
         exit 1
+        ;;
+    esac
 	shift
 done
 
@@ -18,7 +27,7 @@ if ! which sphinx-build >/dev/null; then
 	exit 1
 fi
 
-if ! git status >/dev/null; then
+if [ $commit -eq 1 ] && ! git status >/dev/null; then
 	echo "git not found. git and Github account are required to update online documentation." >&2
 	echo "Links: http://git-scm.com/ https://github.com/" >&2
 	exit 1
@@ -40,7 +49,9 @@ cp NEWS doc/changelog.rst
 sphinx-build -b html -d "$build/tmp" -n -q "doc" "$build/doc"
 rm -rf "$build/tmp"
 rm -f "$build/doc/.buildinfo"
+rm -f "doc/changelog.rst"
 
+if [ $commit -eq 1 ]; then
     echo "3. Updating git branch gh-pages"
     source_name=`git rev-parse --abbrev-ref HEAD`
     source_id=`git rev-parse --short HEAD`
@@ -60,3 +71,4 @@ git status
 
     read -p "Carefully read git status output above, press Enter to continue or Ctrl+C to abort"
     git commit --edit -m "Website built from $source_name $source_id"
+fi