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Member "msmtp-1.8.5/build-aux/mdate-sh" (12 Jan 2019, 6106 Bytes) of package /linux/privat/msmtp-1.8.5.tar.xz:


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    1 #!/bin/sh
    2 # Get modification time of a file or directory and pretty-print it.
    3 
    4 scriptversion=2018-03-07.03; # UTC
    5 
    6 # Copyright (C) 1995-2018 Free Software Foundation, Inc.
    7 # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
    8 #
    9 # This program is free software; you can redistribute it and/or modify
   10 # it under the terms of the GNU General Public License as published by
   11 # the Free Software Foundation; either version 2, or (at your option)
   12 # any later version.
   13 #
   14 # This program is distributed in the hope that it will be useful,
   15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17 # GNU General Public License for more details.
   18 #
   19 # You should have received a copy of the GNU General Public License
   20 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
   21 
   22 # As a special exception to the GNU General Public License, if you
   23 # distribute this file as part of a program that contains a
   24 # configuration script generated by Autoconf, you may include it under
   25 # the same distribution terms that you use for the rest of that program.
   26 
   27 # This file is maintained in Automake, please report
   28 # bugs to <bug-automake@gnu.org> or send patches to
   29 # <automake-patches@gnu.org>.
   30 
   31 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   32   emulate sh
   33   NULLCMD=:
   34   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   35   # is contrary to our usage.  Disable this feature.
   36   alias -g '${1+"$@"}'='"$@"'
   37   setopt NO_GLOB_SUBST
   38 fi
   39 
   40 case $1 in
   41   '')
   42      echo "$0: No file.  Try '$0 --help' for more information." 1>&2
   43      exit 1;
   44      ;;
   45   -h | --h*)
   46     cat <<\EOF
   47 Usage: mdate-sh [--help] [--version] FILE
   48 
   49 Pretty-print the modification day of FILE, in the format:
   50 1 January 1970
   51 
   52 Report bugs to <bug-automake@gnu.org>.
   53 EOF
   54     exit $?
   55     ;;
   56   -v | --v*)
   57     echo "mdate-sh $scriptversion"
   58     exit $?
   59     ;;
   60 esac
   61 
   62 error ()
   63 {
   64   echo "$0: $1" >&2
   65   exit 1
   66 }
   67 
   68 
   69 # Prevent date giving response in another language.
   70 LANG=C
   71 export LANG
   72 LC_ALL=C
   73 export LC_ALL
   74 LC_TIME=C
   75 export LC_TIME
   76 
   77 # Use UTC to get reproducible result.
   78 TZ=UTC0
   79 export TZ
   80 
   81 # GNU ls changes its time format in response to the TIME_STYLE
   82 # variable.  Since we cannot assume 'unset' works, revert this
   83 # variable to its documented default.
   84 if test "${TIME_STYLE+set}" = set; then
   85   TIME_STYLE=posix-long-iso
   86   export TIME_STYLE
   87 fi
   88 
   89 save_arg1=$1
   90 
   91 # Find out how to get the extended ls output of a file or directory.
   92 if ls -L /dev/null 1>/dev/null 2>&1; then
   93   ls_command='ls -L -l -d'
   94 else
   95   ls_command='ls -l -d'
   96 fi
   97 # Avoid user/group names that might have spaces, when possible.
   98 if ls -n /dev/null 1>/dev/null 2>&1; then
   99   ls_command="$ls_command -n"
  100 fi
  101 
  102 # A 'ls -l' line looks as follows on OS/2.
  103 #  drwxrwx---        0 Aug 11  2001 foo
  104 # This differs from Unix, which adds ownership information.
  105 #  drwxrwx---   2 root  root      4096 Aug 11  2001 foo
  106 #
  107 # To find the date, we split the line on spaces and iterate on words
  108 # until we find a month.  This cannot work with files whose owner is a
  109 # user named "Jan", or "Feb", etc.  However, it's unlikely that '/'
  110 # will be owned by a user whose name is a month.  So we first look at
  111 # the extended ls output of the root directory to decide how many
  112 # words should be skipped to get the date.
  113 
  114 # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
  115 set x`$ls_command /`
  116 
  117 # Find which argument is the month.
  118 month=
  119 command=
  120 until test $month
  121 do
  122   test $# -gt 0 || error "failed parsing '$ls_command /' output"
  123   shift
  124   # Add another shift to the command.
  125   command="$command shift;"
  126   case $1 in
  127     Jan) month=January; nummonth=1;;
  128     Feb) month=February; nummonth=2;;
  129     Mar) month=March; nummonth=3;;
  130     Apr) month=April; nummonth=4;;
  131     May) month=May; nummonth=5;;
  132     Jun) month=June; nummonth=6;;
  133     Jul) month=July; nummonth=7;;
  134     Aug) month=August; nummonth=8;;
  135     Sep) month=September; nummonth=9;;
  136     Oct) month=October; nummonth=10;;
  137     Nov) month=November; nummonth=11;;
  138     Dec) month=December; nummonth=12;;
  139   esac
  140 done
  141 
  142 test -n "$month" || error "failed parsing '$ls_command /' output"
  143 
  144 # Get the extended ls output of the file or directory.
  145 set dummy x`eval "$ls_command \"\\\$save_arg1\""`
  146 
  147 # Remove all preceding arguments
  148 eval $command
  149 
  150 # Because of the dummy argument above, month is in $2.
  151 #
  152 # On a POSIX system, we should have
  153 #
  154 # $# = 5
  155 # $1 = file size
  156 # $2 = month
  157 # $3 = day
  158 # $4 = year or time
  159 # $5 = filename
  160 #
  161 # On Darwin 7.7.0 and 7.6.0, we have
  162 #
  163 # $# = 4
  164 # $1 = day
  165 # $2 = month
  166 # $3 = year or time
  167 # $4 = filename
  168 
  169 # Get the month.
  170 case $2 in
  171   Jan) month=January; nummonth=1;;
  172   Feb) month=February; nummonth=2;;
  173   Mar) month=March; nummonth=3;;
  174   Apr) month=April; nummonth=4;;
  175   May) month=May; nummonth=5;;
  176   Jun) month=June; nummonth=6;;
  177   Jul) month=July; nummonth=7;;
  178   Aug) month=August; nummonth=8;;
  179   Sep) month=September; nummonth=9;;
  180   Oct) month=October; nummonth=10;;
  181   Nov) month=November; nummonth=11;;
  182   Dec) month=December; nummonth=12;;
  183 esac
  184 
  185 case $3 in
  186   ???*) day=$1;;
  187   *) day=$3; shift;;
  188 esac
  189 
  190 # Here we have to deal with the problem that the ls output gives either
  191 # the time of day or the year.
  192 case $3 in
  193   *:*) set `date`; eval year=\$$#
  194        case $2 in
  195      Jan) nummonthtod=1;;
  196      Feb) nummonthtod=2;;
  197      Mar) nummonthtod=3;;
  198      Apr) nummonthtod=4;;
  199      May) nummonthtod=5;;
  200      Jun) nummonthtod=6;;
  201      Jul) nummonthtod=7;;
  202      Aug) nummonthtod=8;;
  203      Sep) nummonthtod=9;;
  204      Oct) nummonthtod=10;;
  205      Nov) nummonthtod=11;;
  206      Dec) nummonthtod=12;;
  207        esac
  208        # For the first six month of the year the time notation can also
  209        # be used for files modified in the last year.
  210        if (expr $nummonth \> $nummonthtod) > /dev/null;
  211        then
  212      year=`expr $year - 1`
  213        fi;;
  214   *) year=$3;;
  215 esac
  216 
  217 # The result.
  218 echo $day $month $year
  219 
  220 # Local Variables:
  221 # mode: shell-script
  222 # sh-indentation: 2
  223 # eval: (add-hook 'before-save-hook 'time-stamp)
  224 # time-stamp-start: "scriptversion="
  225 # time-stamp-format: "%:y-%02m-%02d.%02H"
  226 # time-stamp-time-zone: "UTC0"
  227 # time-stamp-end: "; # UTC"
  228 # End: