build/buildinfo.sh

   1 #!/bin/sh
   2 #
   3 # Licensed to the Apache Software Foundation (ASF) under one or more
   4 # contributor license agreements.  See the NOTICE file distributed with
   5 # this work for additional information regarding copyright ownership.
   6 # The ASF licenses this file to You under the Apache License, Version 2.0
   7 # (the "License"); you may not use this file except in compliance with
   8 # the License.  You may obtain a copy of the License at
   9 #
  10 #     http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS,
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 # See the License for the specific language governing permissions and
  16 # limitations under the License.
  17 #
  18 #
  19 # buildinfo.sh -- Determine Build Information
  20 # Initially written by Ralf S. Engelschall <rse@apache.org>
  21 # for the Apache's Autoconf-style Interface (APACI)
  22
  23 #
  24 #   argument line handling
  25 #
  26 error=no
  27 if [ $# -ne 1 -a $# -ne 2 ]; then
  28     error=yes
  29 fi
  30 if [ $# -eq 2 -a "x$1" != "x-n" ]; then
  31     error=yes
  32 fi
  33 if [ "x$error" = "xyes" ]; then
  34     echo "$0:Error: invalid argument line"
  35     echo "$0:Usage: $0 [-n] <format-string>"
  36     echo "Where <format-string> can contain:"
  37     echo "   %u ...... substituted by determined username    (foo)"
  38     echo "   %h ...... substituted by determined hostname    (bar)"
  39     echo "   %d ...... substituted by determined domainname  (.com)"
  40     echo "   %D ...... substituted by determined day         (DD)"
  41     echo "   %M ...... substituted by determined month       (MM)"
  42     echo "   %Y ...... substituted by determined year        (YYYYY)"
  43     echo "   %m ...... substituted by determined monthname   (Jan)"
  44     exit 1
  45 fi
  46 if [ $# -eq 2 ]; then
  47     newline=no
  48     format_string="$2"
  49 else
  50     newline=yes
  51     format_string="$1"
  52 fi
  53
  54 #
  55 #   initialization
  56 #
  57 username=''
  58 hostname=''
  59 domainname=''
  60 time_day=''
  61 time_month=''
  62 time_year=''
  63 time_monthname=''
  64
  65 #
  66 #   determine username
  67 #
  68 username="$LOGNAME"
  69 if [ "x$username" = "x" ]; then
  70     username="$USER"
  71     if [ "x$username" = "x" ]; then
  72         username="`(whoami) 2>/dev/null |\
  73                    awk '{ printf("%s", $1); }'`"
  74         if [ "x$username" = "x" ]; then
  75             username="`(who am i) 2>/dev/null |\
  76                        awk '{ printf("%s", $1); }'`"
  77             if [ "x$username" = "x" ]; then
  78                 username='unknown'
  79             fi
  80         fi
  81     fi
  82 fi
  83
  84 #
  85 #   determine hostname and domainname
  86 #
  87 hostname="`(uname -n) 2>/dev/null |\
  88            awk '{ printf("%s", $1); }'`"
  89 if [ "x$hostname" = "x" ]; then
  90     hostname="`(hostname) 2>/dev/null |\
  91                awk '{ printf("%s", $1); }'`"
  92     if [ "x$hostname" = "x" ]; then
  93         hostname='unknown'
  94     fi
  95 fi
  96 case $hostname in
  97     *.* )
  98         domainname=".`echo $hostname | cut -d. -f2-`"
  99         hostname="`echo $hostname | cut -d. -f1`"
 100         ;;
 101 esac
 102 if [ "x$domainname" = "x" ]; then
 103     if [ -f /etc/resolv.conf ]; then
 104         domainname="`egrep '^[  ]*domain' /etc/resolv.conf | head -1 |\
 105                      sed -e 's/.*domain//' \
 106                          -e 's/^[       ]*//' -e 's/^ *//' -e 's/^      *//' \
 107                          -e 's/^\.//' -e 's/^/./' |\
 108                      awk '{ printf("%s", $1); }'`"
 109         if [ "x$domainname" = "x" ]; then
 110             domainname="`egrep '^[      ]*search' /etc/resolv.conf | head -1 |\
 111                          sed -e 's/.*search//' \
 112                              -e 's/^[   ]*//' -e 's/^ *//' -e 's/^      *//' \
 113                              -e 's/ .*//' -e 's/        .*//' \
 114                              -e 's/^\.//' -e 's/^/./' |\
 115                          awk '{ printf("%s", $1); }'`"
 116         fi
 117     fi
 118 fi
 119
 120 #
 121 #   determine current time
 122 #
 123 time_day="`date '+%d' | awk '{ printf("%s", $1); }'`"
 124 time_month="`date '+%m' | awk '{ printf("%s", $1); }'`"
 125 time_year="`date '+%Y' 2>/dev/null | awk '{ printf("%s", $1); }'`"
 126 if [ "x$time_year" = "x" ]; then
 127     time_year="`date '+%y' | awk '{ printf("%s", $1); }'`"
 128     case $time_year in
 129         [5-9][0-9]) time_year="19$time_year" ;;
 130         [0-4][0-9]) time_year="20$time_year" ;;
 131     esac
 132 fi
 133 case $time_month in
 134     1|01) time_monthname='Jan' ;;
 135     2|02) time_monthname='Feb' ;;
 136     3|03) time_monthname='Mar' ;;
 137     4|04) time_monthname='Apr' ;;
 138     5|05) time_monthname='May' ;;
 139     6|06) time_monthname='Jun' ;;
 140     7|07) time_monthname='Jul' ;;
 141     8|08) time_monthname='Aug' ;;
 142     9|09) time_monthname='Sep' ;;
 143       10) time_monthname='Oct' ;;
 144       11) time_monthname='Nov' ;;
 145       12) time_monthname='Dec' ;;
 146 esac
 147
 148 #
 149 #   create result string
 150 #
 151 if [ "x$newline" = "xyes" ]; then
 152     echo $format_string |\
 153     sed -e "s;%u;$username;g" \
 154         -e "s;%h;$hostname;g" \
 155         -e "s;%d;$domainname;g" \
 156         -e "s;%D;$time_day;g" \
 157         -e "s;%M;$time_month;g" \
 158         -e "s;%Y;$time_year;g" \
 159         -e "s;%m;$time_monthname;g"
 160 else
 161     echo "${format_string}&" |\
 162     sed -e "s;%u;$username;g" \
 163         -e "s;%h;$hostname;g" \
 164         -e "s;%d;$domainname;g" \
 165         -e "s;%D;$time_day;g" \
 166         -e "s;%M;$time_month;g" \
 167         -e "s;%Y;$time_year;g" \
 168         -e "s;%m;$time_monthname;g" |\
 169     awk '-F&' '{ printf("%s", $1); }'
 170 fi
 171