Improvements and bugfixes to the depot_tools doc generation process.

docs/src/make_docs.sh

 #!/bin/bash -e
 shopt -s nullglob
 
 cd $(dirname "$0")
 
 # Script which takes all the asciidoc git-*.txt files in this directory, renders
 # them to html + manpage format using git 1.9's doc toolchain, then puts
 # them in depot_tools to be committed.
 
 ensure_in_path() {
@@ skipping 23 matching lines @@
 ASCIIDOC_HASH=7fed0aff1b30
 if [[ ! -d asciidoc || $(cd asciidoc && hg id -i) != $ASCIIDOC_HASH ]]
 then
   echo Cloning asciidoc
   rm -rf asciidoc
   hg clone -r $BRANCH https://asciidoc.googlecode.com/hg/ asciidoc
   (cd asciidoc && ln -s asciidoc.py asciidoc)
 fi
 echo Asciidoc up to date at $ASCIIDOC_HASH \($BRANCH\)
 
+export PATH=`pwd`/asciidoc:$PATH
+
 # We pull ansi2hash to convert demo script output
 BRANCH=1.0.6
 ANSI2HTML_HASH=6282ab7a24a5a7eab2e0b23bb0055234c533a6e9
 if [[ ! -d ansi2html || $(git -C ansi2html rev-parse HEAD) != $ANSI2HTML_HASH ]]
 then
   echo Cloning ansi2html
   rm -rf ansi2html
   git clone  --single-branch --branch $BRANCH --depth 1 \
     https://github.com/ralphbean/ansi2html.git 2> /dev/null
   curl https://bitbucket.org/gutworth/six/raw/a875ac34c777fe801569c6c5299bf1a35aa578cd/six.py > \
@@ skipping 185 matching lines @@
 do
   echo Copying ../man1/$x
   cp "git/Documentation/$x" ../man1
 done
 
 for x in "${MAN7_TARGETS[@]}"
 do
   echo Copying ../man7/$x
   cp "git/Documentation/$x" ../man7
 done