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#!/bin/sh
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# buildinfo.sh -- Determine Build Information
# Initially written by Ralf S. Engelschall <rse@apache.org>
# for the Apache's Autoconf-style Interface (APACI)
#
# argument line handling
#
error=no
if [ $# -ne 1 -a $# -ne 2 ]; then
error=yes
fi
if [ $# -eq 2 -a "x$1" != "x-n" ]; then
error=yes
fi
if [ "x$error" = "xyes" ]; then
echo "$0:Error: invalid argument line"
echo "$0:Usage: $0 [-n] <format-string>"
echo "Where <format-string> can contain:"
echo " %u ...... substituted by determined username (foo)"
echo " %h ...... substituted by determined hostname (bar)"
echo " %d ...... substituted by determined domainname (.com)"
echo " %D ...... substituted by determined day (DD)"
echo " %M ...... substituted by determined month (MM)"
echo " %Y ...... substituted by determined year (YYYYY)"
echo " %m ...... substituted by determined monthname (Jan)"
exit 1
fi
if [ $# -eq 2 ]; then
newline=no
format_string="$2"
else
newline=yes
format_string="$1"
fi
#
# initialization
#
username=''
hostname=''
domainname=''
time_day=''
time_month=''
time_year=''
time_monthname=''
#
# determine username
#
username="$LOGNAME"
if [ "x$username" = "x" ]; then
username="$USER"
if [ "x$username" = "x" ]; then
username="`(whoami) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ "x$username" = "x" ]; then
username="`(who am i) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ "x$username" = "x" ]; then
username='unknown'
fi
fi
fi
fi
#
# determine hostname and domainname
#
hostname="`(uname -n) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ "x$hostname" = "x" ]; then
hostname="`(hostname) 2>/dev/null |\
awk '{ printf("%s", $1); }'`"
if [ "x$hostname" = "x" ]; then
hostname='unknown'
fi
fi
case $hostname in
*.* )
domainname=".`echo $hostname | cut -d. -f2-`"
hostname="`echo $hostname | cut -d. -f1`"
;;
esac
if [ "x$domainname" = "x" ]; then
if [ -f /etc/resolv.conf ]; then
domainname="`egrep '^[ ]*domain' /etc/resolv.conf | head -1 |\
sed -e 's/.*domain//' \
-e 's/^[ ]*//' -e 's/^ *//' -e 's/^ *//' \
-e 's/^\.//' -e 's/^/./' |\
awk '{ printf("%s", $1); }'`"
if [ "x$domainname" = "x" ]; then
domainname="`egrep '^[ ]*search' /etc/resolv.conf | head -1 |\
sed -e 's/.*search//' \
-e 's/^[ ]*//' -e 's/^ *//' -e 's/^ *//' \
-e 's/ .*//' -e 's/ .*//' \
-e 's/^\.//' -e 's/^/./' |\
awk '{ printf("%s", $1); }'`"
fi
fi
fi
#
# determine current time
#
time_day="`date '+%d' | awk '{ printf("%s", $1); }'`"
time_month="`date '+%m' | awk '{ printf("%s", $1); }'`"
time_year="`date '+%Y' 2>/dev/null | awk '{ printf("%s", $1); }'`"
if [ "x$time_year" = "x" ]; then
time_year="`date '+%y' | awk '{ printf("%s", $1); }'`"
case $time_year in
[5-9][0-9]) time_year="19$time_year" ;;
[0-4][0-9]) time_year="20$time_year" ;;
esac
fi
case $time_month in
1|01) time_monthname='Jan' ;;
2|02) time_monthname='Feb' ;;
3|03) time_monthname='Mar' ;;
4|04) time_monthname='Apr' ;;
5|05) time_monthname='May' ;;
6|06) time_monthname='Jun' ;;
7|07) time_monthname='Jul' ;;
8|08) time_monthname='Aug' ;;
9|09) time_monthname='Sep' ;;
10) time_monthname='Oct' ;;
11) time_monthname='Nov' ;;
12) time_monthname='Dec' ;;
esac
#
# create result string
#
if [ "x$newline" = "xyes" ]; then
echo $format_string |\
sed -e "s;%u;$username;g" \
-e "s;%h;$hostname;g" \
-e "s;%d;$domainname;g" \
-e "s;%D;$time_day;g" \
-e "s;%M;$time_month;g" \
-e "s;%Y;$time_year;g" \
-e "s;%m;$time_monthname;g"
else
echo "${format_string}&" |\
sed -e "s;%u;$username;g" \
-e "s;%h;$hostname;g" \
-e "s;%d;$domainname;g" \
-e "s;%D;$time_day;g" \
-e "s;%M;$time_month;g" \
-e "s;%Y;$time_year;g" \
-e "s;%m;$time_monthname;g" |\
awk '-F&' '{ printf("%s", $1); }'
fi
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