diff options
Diffstat (limited to 'build-aux/mdate-sh')
| -rwxr-xr-x | build-aux/mdate-sh | 49 |
1 files changed, 36 insertions, 13 deletions
diff --git a/build-aux/mdate-sh b/build-aux/mdate-sh index cd916c0a..b3719cf7 100755 --- a/build-aux/mdate-sh +++ b/build-aux/mdate-sh @@ -1,10 +1,9 @@ #!/bin/sh # Get modification time of a file or directory and pretty-print it. -scriptversion=2005-06-29.22 +scriptversion=2010-08-21.06; # UTC -# Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005 Free Software -# Foundation, Inc. +# Copyright (C) 1995-2013 Free Software Foundation, Inc. # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995 # # This program is free software; you can redistribute it and/or modify @@ -18,8 +17,7 @@ scriptversion=2005-06-29.22 # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software Foundation, -# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# along with this program. If not, see <http://www.gnu.org/licenses/>. # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a @@ -30,16 +28,26 @@ scriptversion=2005-06-29.22 # bugs to <bug-automake@gnu.org> or send patches to # <automake-patches@gnu.org>. +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +fi + case $1 in '') - echo "$0: No file. Try \`$0 --help' for more information." 1>&2 + echo "$0: No file. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: mdate-sh [--help] [--version] FILE -Pretty-print the modification time of FILE. +Pretty-print the modification day of FILE, in the format: +1 January 1970 Report bugs to <bug-automake@gnu.org>. EOF @@ -51,6 +59,13 @@ EOF ;; esac +error () +{ + echo "$0: $1" >&2 + exit 1 +} + + # Prevent date giving response in another language. LANG=C export LANG @@ -60,7 +75,7 @@ LC_TIME=C export LC_TIME # GNU ls changes its time format in response to the TIME_STYLE -# variable. Since we cannot assume `unset' works, revert this +# variable. Since we cannot assume 'unset' works, revert this # variable to its documented default. if test "${TIME_STYLE+set}" = set; then TIME_STYLE=posix-long-iso @@ -75,27 +90,32 @@ if ls -L /dev/null 1>/dev/null 2>&1; then else ls_command='ls -l -d' fi +# Avoid user/group names that might have spaces, when possible. +if ls -n /dev/null 1>/dev/null 2>&1; then + ls_command="$ls_command -n" +fi -# A `ls -l' line looks as follows on OS/2. +# A 'ls -l' line looks as follows on OS/2. # drwxrwx--- 0 Aug 11 2001 foo # This differs from Unix, which adds ownership information. # drwxrwx--- 2 root root 4096 Aug 11 2001 foo # # To find the date, we split the line on spaces and iterate on words # until we find a month. This cannot work with files whose owner is a -# user named `Jan', or `Feb', etc. However, it's unlikely that `/' +# user named "Jan", or "Feb", etc. However, it's unlikely that '/' # will be owned by a user whose name is a month. So we first look at # the extended ls output of the root directory to decide how many # words should be skipped to get the date. # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below. -set x`ls -l -d /` +set x`$ls_command /` # Find which argument is the month. month= command= until test $month do + test $# -gt 0 || error "failed parsing '$ls_command /' output" shift # Add another shift to the command. command="$command shift;" @@ -115,8 +135,10 @@ do esac done +test -n "$month" || error "failed parsing '$ls_command /' output" + # Get the extended ls output of the file or directory. -set dummy x`eval "$ls_command \"\$save_arg1\""` +set dummy x`eval "$ls_command \"\\\$save_arg1\""` # Remove all preceding arguments eval $command @@ -197,5 +219,6 @@ echo $day $month $year # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" # End: |