1#!/bin/sh
2# Prints a package's identification PACKAGE VERSION or PACKAGE.
3#
4# Copyright (C) 2001-2003, 2005 Free Software Foundation, Inc.
5#
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 2, or (at your option)
9# any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, write to the Free Software
18# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20want_version="$1"
21
22# NLS nuisances: Letter ranges are different in the Estonian locale.
23LC_ALL=C
24
25while true; do
26  if test -f configure; then
27    package=`(grep '^PACKAGE_NAME=' configure; grep '^ *PACKAGE=' configure) | grep -v '=[ 	]*$' | sed -e '1q' | sed -e 's/^[^=]*=//' | sed -e "s/^'//" -e "s/'$//"`
28    case "$package" in
29      *[\"\$\`\{\}]*)
30        # Some packages (gcal) retrieve the package name dynamically.
31        package=
32        ;;
33    esac
34    if test -n "$package"; then
35      is_gnu=`LC_ALL=C grep "GNU $package" * 2>/dev/null | grep -v '^libtool:'`
36      if test -n "$is_gnu"; then
37        package="GNU $package"
38      fi
39      if test -n "$want_version"; then
40        version=`(grep '^PACKAGE_VERSION=' configure; grep '^ *VERSION=' configure) | grep -v '=[ 	]*$' | sed -e '1q' | sed -e 's/^[^=]*=//' | sed -e "s/^'//" -e "s/'$//"`
41        case "$version" in
42          *[\"\$\`\{\}]*)
43            # Some packages (gcal, gcc, clisp) retrieve the version dynamically.
44            version=
45            ;;
46        esac
47        if test -n "$version"; then
48          echo "$package $version"
49        else
50          echo "$package"
51        fi
52      else
53        echo "$package"
54      fi
55      exit 0
56    fi
57  fi
58  dir=`basename \`pwd\``
59  case "$dir" in
60    i18n)
61      # This directory name, used in GNU make, is not the top level directory.
62      ;;
63    *[A-Za-z]*[0-9]*)
64      package=`echo "$dir" | sed -e 's/^\([^0-9]*\)[0-9].*$/\1/' -e 's/[-_]$//'`
65      if test -n "$want_version"; then
66        version=`echo "$dir" | sed -e 's/^[^0-9]*\([0-9].*\)$/\1/'`
67        echo "$package $version"
68      else
69        echo "$package"
70      fi
71      exit 0
72      ;;
73  esac
74  # Go to parent directory
75  last=`/bin/pwd`
76  cd ..
77  curr=`/bin/pwd`
78  if test "$last" = "$curr"; then
79    # Oops, didn't find the package name.
80    if test -n "$want_version"; then
81      echo "PACKAGE VERSION"
82    else
83      echo "PACKAGE"
84    fi
85    exit 0
86  fi
87done
88