From b3fdb1c93593faa6fb674937155f911beb2f0200 Mon Sep 17 00:00:00 2001
From: Dean Troyer <dtroyer@gmail.com>
Date: Mon, 17 Nov 2014 12:45:09 -0600
Subject: [PATCH] Simplify docs build

Remove unnecessary old code from tools/build_docs.sh; it now only builds
docs for the current branch in the current working directory.

Fix the merging if the git log changes into changes.html.

Change-Id: I965dc3383b6317807ca0d47fe42648a19e96b57b
---
 doc/source/changes.rst |  2 +
 tools/build_docs.sh    | 87 ++++--------------------------------------
 tox.ini                |  2 +-
 3 files changed, 11 insertions(+), 80 deletions(-)

diff --git a/doc/source/changes.rst b/doc/source/changes.rst
index f4a326d60e..abe132c31c 100644
--- a/doc/source/changes.rst
+++ b/doc/source/changes.rst
@@ -8,3 +8,5 @@ Recent Changes What's been happening?
 These are the commits to DevStack for the last six months. For the
 complete list see `the DevStack project in
 Gerrit <https://review.openstack.org/#/q/status:merged+project:openstack-dev/devstack,n,z>`__.
+
+%GIT_LOG%
diff --git a/tools/build_docs.sh b/tools/build_docs.sh
index f52b179b7e..929d1e0e6c 100755
--- a/tools/build_docs.sh
+++ b/tools/build_docs.sh
@@ -1,35 +1,19 @@
 #!/usr/bin/env bash
 
-# **build_docs.sh** - Build the gh-pages docs for DevStack
+# **build_docs.sh** - Build the docs for DevStack
 #
 # - Install shocco if not found on PATH and INSTALL_SHOCCO is set
 # - Clone MASTER_REPO branch MASTER_BRANCH
 # - Re-creates ``doc/build/html`` directory from existing repo + new generated script docs
 
 # Usage:
-## build_docs.sh [-o <out-dir>] [-g] [master|<repo> [<branch>]]
-## <repo>           The DevStack repository to clone (default is DevStack github repo)
-##                  If a repo is not supplied use the current directory
-##                  (assumed to be a DevStack checkout) as the source.
-## <branch>         The DevStack branch to check out (default is master; ignored if
-##                  repo is not specified)
-## .                Use the current repo and branch (do not use with -p to
-##                  prevent stray files in the workspace being added tot he docs)
+## build_docs.sh [-o <out-dir>]
 ## -o <out-dir>     Write the static HTML output to <out-dir>
 ##                  (Note that <out-dir> will be deleted and re-created to ensure it is clean)
-## -g               Update the old gh-pages repo  (set PUSH=1 to actually push up to RCB)
 
 # Defaults
 # --------
 
-# Source repo/branch for DevStack
-MASTER_REPO=${MASTER_REPO:-git://git.openstack.org/openstack-dev/devstack}
-MASTER_BRANCH=${MASTER_BRANCH:-master}
-
-# http://devstack.org is a GitHub gh-pages site in the https://github.com/cloudbuilders/devtack.git repo
-GH_PAGES_REPO=git@github.com:cloudbuilders/devstack.git
-
-DOCS_SOURCE=doc/source
 HTML_BUILD=doc/build/html
 
 # Keep track of the devstack directory
@@ -60,10 +44,8 @@ if ! which shocco; then
 fi
 
 # Process command-line args
-while getopts go: c; do
+while getopts o: c; do
     case $c in
-        g)  GH_UPDATE=1
-            ;;
         o)  HTML_BUILD=$OPTARG
             ;;
     esac
@@ -71,55 +53,24 @@ done
 shift `expr $OPTIND - 1`
 
 
-if [[ -n "$1" ]]; then
-    master="master"
-    if [[ "${master/#$1}" != "master" ]]; then
-        # Partial match on "master"
-        REPO=$MASTER_REPO
-    else
-        REPO=$1
-    fi
-    REPO_BRANCH=${2:-$MASTER_BRANCH}
-fi
-
-# Check out a specific DevStack branch
-if [[ -n $REPO ]]; then
-    # Make a workspace
-    TMP_ROOT=$(mktemp -d work-docs-XXXX)
-    echo "Building docs in $TMP_ROOT"
-    cd $TMP_ROOT
-
-    # Get the master branch
-    git clone $REPO devstack
-    cd devstack
-    if [[ -n "$REPO_BRANCH" ]]; then
-        git checkout $REPO_BRANCH
-    fi
-fi
-
-# Assumption is we are now in the DevStack workspace to be processed
-
 # Processing
 # ----------
 
-# Clean up build dir
-rm -rf $HTML_BUILD
+# Ensure build dir exists
 mkdir -p $HTML_BUILD
 
 # Get fully qualified dirs
-FQ_DOCS_SOURCE=$(cd $DOCS_SOURCE && pwd)
 FQ_HTML_BUILD=$(cd $HTML_BUILD && pwd)
 
-# Get repo static
-cp -pr $FQ_DOCS_SOURCE/* $FQ_HTML_BUILD
-
 # Insert automated bits
 GLOG=$(mktemp gitlogXXXX)
+echo "<ul>" >$GLOG
 git log \
     --pretty=format:'            <li>%s - <em>Commit <a href="https://review.openstack.org/#q,%h,n,z">%h</a> %cd</em></li>' \
     --date=short \
-    --since '6 months ago' | grep -v Merge >$GLOG
-sed -e $"/%GIT_LOG%/r $GLOG" $FQ_DOCS_SOURCE/changes.html >$FQ_HTML_BUILD/changes.html
+    --since '6 months ago' | grep -v Merge >>$GLOG
+echo "</ul>" >>$GLOG
+sed -i~ -e $"/^.*%GIT_LOG%.*$/r $GLOG" -e $"/^.*%GIT_LOG%.*$/s/^.*%GIT_LOG%.*$//" $FQ_HTML_BUILD/changes.html
 rm -f $GLOG
 
 # Build list of scripts to process
@@ -138,28 +89,6 @@ for f in $(find functions functions-common lib samples -type f -name \*); do
 done
 echo "$FILES" >doc/files
 
-if [[ -n $GH_UPDATE ]]; then
-    GH_ROOT=$(mktemp -d work-gh-XXXX)
-    cd $GH_ROOT
-
-    # Pull the latest docs branch from devstack.org repo
-    git clone -b gh-pages $GH_PAGES_REPO gh-docs
-
-    # Get the generated files
-    cp -pr $FQ_HTML_BUILD/* gh-docs
-
-    # Collect the new generated pages
-    (cd gh-docs; find . -name \*.html -print0 | xargs -0 git add)
-
-    # Push our changes back up to the docs branch
-    if ! git diff-index HEAD --quiet; then
-        git commit -a -m "Update script docs"
-        if [[ -n $PUSH ]]; then
-            git push
-        fi
-    fi
-fi
-
 # Clean up or report the temp workspace
 if [[ -n REPO && -n $PUSH_REPO ]]; then
     echo rm -rf $TMP_ROOT
diff --git a/tox.ini b/tox.ini
index c8d3909805..a958ae7ba4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -36,5 +36,5 @@ setenv =
   TOP_DIR={toxinidir}
   INSTALL_SHOCCO=true
 commands = 
-	bash tools/build_docs.sh
 	python setup.py build_sphinx
+	bash tools/build_docs.sh