dodoc.sh

   1 #!/bin/sh
   2 #
   3 # This script is called from the post-update hook, and when
   4 # the master branch is updated, run in $HOME/git-doc, like
   5 # this:
   6 : <<\END_OF_COMMENTARY
   7
   8 $ cat >hooks/post-update
   9 #!/bin/sh
  10 case " $* " in
  11 *' refs/heads/master '*)
  12         echo $HOME/git-doc/dodoc.sh | at now
  13         ;;
  14 esac
  15 exec git update-server-info
  16 $ chmod +x hooks/post-update
  17
  18 END_OF_COMMENTARY
  19
  20 # $HOME/git-doc is a clone of the git.git repository and
  21 # has the master branch checkd out.  We update the working
  22 # tree and build pre-formatted documentation pages, install
  23 # in doc-htmlpages and doc-manapges subdirectory here.
  24 # These two are their own git repository, and when they are
  25 # updated the updates are pushed back into their own branches
  26 # in git.git repository.
  27
  28 ID=`git rev-parse --verify refs/heads/master` || exit $?
  29
  30 unset GIT_DIR
  31
  32 : ${PUBLIC=/pub/software/scm/git/docs} &&
  33 : ${MASTERREPO=`pwd`} &&
  34 : ${DOCREPO=`dirname "$0"`} &&
  35 test "$DOCREPO" != "" &&
  36 cd "$DOCREPO" || exit $?
  37
  38 DOCREPO=`pwd`
  39
  40 tmp=`pwd`/.doctmp-$$
  41 trap 'rm -f "$tmp".*' 0
  42
  43 (
  44         git pull "$MASTERREPO" master &&
  45         git fetch --tags "$MASTERREPO"
  46 ) >/dev/null 2>/dev/null || exit $?
  47 test $(git rev-parse --verify refs/heads/master) == "$ID" &&
  48 NID=$(git describe --abbrev=4 "$ID") &&
  49 test '' != "$NID" ||  exit $?
  50
  51 # Set up subrepositories
  52 for type in man html
  53 do
  54         test -d doc-${type}pages || (
  55                 mkdir doc-${type}pages &&
  56                 cd doc-${type}pages &&
  57                 git init-db || exit $?
  58
  59                 git fetch-pack "$MASTERREPO" ${type} |
  60                 while read sha1 name
  61                 do
  62                         case "$name" in
  63                         refs/heads/${type})
  64                                 git update-ref HEAD $sha1 &&
  65                                 git checkout || exit $?
  66                                 break
  67                                 ;;
  68                         esac
  69                 done || exit $?
  70         ) || exit
  71         rm -fr doc-$type-inst
  72 done
  73
  74 make >./:html.log 2>&1 \
  75         -C Documentation -j 2 \
  76         WEBDOC_DEST="$DOCREPO/doc-html-inst" install-webdoc || exit
  77
  78 make >./:man.log 2>&1 \
  79         -C Documentation -j 2 \
  80         man1="$DOCREPO/doc-man-inst/man1" \
  81         man5="$DOCREPO/doc-man-inst/man5" \
  82         man7="$DOCREPO/doc-man-inst/man7" \
  83         man1dir="$DOCREPO/doc-man-inst/man1" \
  84         man5dir="$DOCREPO/doc-man-inst/man5" \
  85         man7dir="$DOCREPO/doc-man-inst/man7" install || exit
  86
  87 for type in html man
  88 do
  89         find doc-$type-inst -type f |
  90         while read path
  91         do
  92                 it=$(expr "$path" : doc-$type-inst/'\(.*\)') || continue
  93                 t="doc-${type}pages/$it"
  94                 test -f "$t" && diff -q "$path" "$t" && continue
  95                 mkdir -p "$(dirname "$t")" &&
  96                 echo ": $t" && rm -f "$t" && ln "$path" "$t" || exit
  97                 ( cd doc-${type}pages && git add "$it" )
  98         done || exit
  99
 100         find doc-$type-inst -type f |
 101         sed -e 's|^doc-'$type'-inst/||' | sort >"$tmp.1" &&
 102         (cd doc-${type}pages && git ls-files | sort) >"$tmp.2" &&
 103         comm -13 "$tmp.1" "$tmp.2" |
 104         ( cd doc-${type}pages && xargs rm -f -- ) || exit
 105
 106         (
 107                 cd doc-${type}pages
 108
 109                 case "$type" in
 110                 html)
 111                         TYPE='HTML docs'
 112                         rm -f index.html
 113                         ln -sf git.html index.html
 114                         git add index.html
 115                         ;;
 116                 man)
 117                         TYPE='manpages'
 118                         ;;
 119                 esac
 120
 121                 if git commit -a -m "Autogenerated $TYPE for $NID"
 122                 then
 123                         git send-pack "$MASTERREPO" master:refs/heads/$type \
 124                         >/dev/null 2>&1
 125                 else
 126                         echo "* No changes in $type docs"
 127                 fi
 128         ) || exit
 129 done
 130
 131 if test -d $PUBLIC
 132 then
 133         # This is iffy...
 134         mv Documentation/git.html Documentation/saved-git-html
 135         make >>./:html.log 2>&1 \
 136                 -C Documentation \
 137                 WEBDOC_DEST="$PUBLIC" ASCIIDOC_EXTRA='-a stalenotes' \
 138                 install-webdoc &&
 139         mv Documentation/saved-git-html Documentation/git.html
 140 else
 141         echo "* No public html at $PUBLIC"
 142 fi || exit $?
 143
 144 echo '
 145
 146 *** ALL DONE ***
 147 ' >>./:html.log