X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=build-aux%2Fgnu-web-doc-update;fp=build-aux%2Fgnu-web-doc-update;h=268ecc068df9a6897d9949180d501f1b31fab5f0;hb=d57728a6ca2413a7c564d8b7bb13d9e5a5a180f3;hp=851f8b899bb21f2664488debf5ee162c5e106091;hpb=dc84183747ce1703eb99685b5dbde1f65a143c06;p=debian%2Fgzip

diff --git a/build-aux/gnu-web-doc-update b/build-aux/gnu-web-doc-update
index 851f8b8..268ecc0 100755
--- a/build-aux/gnu-web-doc-update
+++ b/build-aux/gnu-web-doc-update
@@ -1,15 +1,10 @@
 #!/bin/sh
 # Run this after each non-alpha release, to update the web documentation at
 # http://www.gnu.org/software/$pkg/manual/
-# This script must be run from the top-level directory,
-# assumes you're using git for revision control,
-# and requires a .prev-version file as well as a Makefile,
-# from which it extracts the version number and package name, respectively.
-# Also, it assumes all documentation is in the doc/ sub-directory.
 
-VERSION=2009-07-21.16; # UTC
+VERSION=2012-12-16.14; # UTC
 
-# Copyright (C) 2009-2012 Free Software Foundation, Inc.
+# Copyright (C) 2009-2013 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -24,9 +19,6 @@ VERSION=2009-07-21.16; # UTC
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Requirements: everything required to bootstrap your package,
-# plus these: git, cvs, cvsu, rsync, mktemp
-
 ME=$(basename "$0")
 warn() { printf '%s: %s\n' "$ME" "$*" >&2; }
 die() { warn "$*"; exit 1; }
@@ -36,13 +28,18 @@ help()
   cat <<EOF
 Usage: $ME
 
-Run this script from top_srcdir (no options or arguments) after each
-non-alpha release, to update the web documentation at
-http://www.gnu.org/software/\$pkg/manual/ Run it from your project's
-the top-level directory.
+Run this script from top_srcdir (no arguments) after each non-alpha
+release, to update the web documentation at
+http://www.gnu.org/software/\$pkg/manual/
+
+This script assumes you're using git for revision control, and
+requires a .prev-version file as well as a Makefile, from which it
+extracts the version number and package name, respectively.  Also, it
+assumes all documentation is in the doc/ sub-directory.
 
 Options:
   -C, --builddir=DIR  location of (configured) Makefile (default: .)
+  -n, --dry-run       don't actually commit anything
   --help              print this help, then exit
   --version           print version number, then exit
 
@@ -64,7 +61,52 @@ EOF
   exit
 }
 
+# find_tool ENVVAR NAMES...
+# -------------------------
+# Search for a required program.  Use the value of ENVVAR, if set,
+# otherwise find the first of the NAMES that can be run (i.e.,
+# supports --version).  If found, set ENVVAR to the program name,
+# die otherwise.
+#
+# FIXME: code duplication, see also bootstrap.
+find_tool ()
+{
+  find_tool_envvar=$1
+  shift
+  find_tool_names=$@
+  eval "find_tool_res=\$$find_tool_envvar"
+  if test x"$find_tool_res" = x; then
+    for i
+    do
+      if ($i --version </dev/null) >/dev/null 2>&1; then
+       find_tool_res=$i
+       break
+      fi
+    done
+  else
+    find_tool_error_prefix="\$$find_tool_envvar: "
+  fi
+  test x"$find_tool_res" != x \
+    || die "one of these is required: $find_tool_names"
+  ($find_tool_res --version </dev/null) >/dev/null 2>&1 \
+    || die "${find_tool_error_prefix}cannot run $find_tool_res --version"
+  eval "$find_tool_envvar=\$find_tool_res"
+  eval "export $find_tool_envvar"
+}
+
+## ------ ##
+## Main.  ##
+## ------ ##
+
+# Requirements: everything required to bootstrap your package, plus
+# these.
+find_tool CVS cvs
+find_tool GIT git
+find_tool RSYNC rsync
+find_tool XARGS gxargs xargs
+
 builddir=.
+dryrun=
 while test $# != 0
 do
   # Handle --option=value by splitting apart and putting back on argv.
@@ -80,28 +122,29 @@ do
   case $1 in
     --help|--version) ${1#--};;
     -C|--builddir) shift; builddir=$1; shift ;;
+    -n|--dry-run) dryrun=echo; shift;;
     --*) die "unrecognized option: $1";;
     *) break;;
   esac
 done
 
 test $# = 0 \
-  || die "$ME: too many arguments"
+  || die "too many arguments"
 
 prev=.prev-version
-version=$(cat $prev) || die "$ME: no $prev file?"
+version=$(cat $prev) || die "no $prev file?"
 pkg=$(sed -n 's/^PACKAGE = \(.*\)/\1/p' $builddir/Makefile) \
-  || die "$ME: no Makefile?"
+  || die "no Makefile?"
 tmp_branch=web-doc-$version-$$
-current_branch=$(git branch | sed -ne '/^\* /{s///;p;q;}')
+current_branch=$($GIT branch | sed -ne '/^\* /{s///;p;q;}')
 
 cleanup()
 {
   __st=$?
-  rm -rf "$tmp"
-  git checkout "$current_branch"
-  git submodule update --recursive
-  git branch -d $tmp_branch
+  $dryrun rm -rf "$tmp"
+  $GIT checkout "$current_branch"
+  $GIT submodule update --recursive
+  $GIT branch -d $tmp_branch
   exit $__st
 }
 trap cleanup 0
@@ -111,8 +154,8 @@ trap 'exit $?' 1 2 13 15
 # just-released version number, not some string like 7.6.18-20761.
 # That version string propagates into all documentation.
 set -e
-git checkout -b $tmp_branch v$version
-git submodule update --recursive
+$GIT checkout -b $tmp_branch v$version
+$GIT submodule update --recursive
 ./bootstrap
 srcdir=$(pwd)
 cd "$builddir"
@@ -125,16 +168,21 @@ set +e
 
 tmp=$(mktemp -d web-doc-update.XXXXXX) || exit 1
 ( cd $tmp \
-    && cvs -d $USER@cvs.sv.gnu.org:/webcvs/$pkg co $pkg )
-rsync -avP "$builddir"/doc/manual/ $tmp/$pkg/manual
+    && $CVS -d $USER@cvs.sv.gnu.org:/webcvs/$pkg co $pkg )
+$RSYNC -avP "$builddir"/doc/manual/ $tmp/$pkg/manual
 
 (
   cd $tmp/$pkg/manual
 
-  # Add any new files:
-  cvsu --types='?'|sed s/..// | xargs --no-run-if-empty -- cvs add -ko
+  # Add all the files.  This is simpler than trying to add only the
+  # new ones because of new directories: it would require iterating on
+  # adding the outer directories, and then their contents.
+  #
+  # find guarantees that we add outer directories first.
+  find . -name CVS -prune -o -print             \
+    | $XARGS --no-run-if-empty -- $dryrun $CVS add -ko
 
-  cvs ci -m $version
+  $dryrun $CVS ci -m $version
 )
 
 # Local variables: