lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | #! /bin/sh |
| 2 | |
| 3 | # Install an aclocal-style M4 file. A script is needed to do this |
| 4 | # because we want to do serial-number checking; newer versions of |
| 5 | # macro files should always be preferred. |
| 6 | |
| 7 | # Usage: |
| 8 | # acinstall file directory installprogram [install-args]... |
| 9 | |
| 10 | # Copyright 1996 Free Software Foundation, Inc. |
| 11 | |
| 12 | # This program is free software; you can redistribute it and/or modify |
| 13 | # it under the terms of the GNU General Public License as published by |
| 14 | # the Free Software Foundation; either version 2, or (at your option) |
| 15 | # any later version. |
| 16 | |
| 17 | # This program is distributed in the hope that it will be useful, |
| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | # GNU General Public License for more details. |
| 21 | |
| 22 | # You should have received a copy of the GNU General Public License |
| 23 | # along with this program; if not, write to the Free Software |
| 24 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 25 | # 02110-1301, USA. |
| 26 | |
| 27 | file="$1" |
| 28 | dir="$2" |
| 29 | shift |
| 30 | shift |
| 31 | |
| 32 | localserial=`grep '^# serial ' $file | sed -e 's/^# serial \([0-9][0-9]*\).*$/\1/; q'` |
| 33 | if test -z "$localserial"; then |
| 34 | echo "acinstall: no serial number in $file" 1>&2 |
| 35 | exit 1 |
| 36 | fi |
| 37 | |
| 38 | # Maybe if the installed file has no serial number we should just |
| 39 | # assume it is ancient. |
| 40 | instserial=`grep '^# serial ' $dir/$file | sed -e 's/^# serial \([0-9][0-9]*\).*$/\1/; q'` |
| 41 | if test -z "$instserial"; then |
| 42 | echo "acinstall: no serial number in $dir/$file" 1>&2 |
| 43 | exit 1 |
| 44 | fi |
| 45 | |
| 46 | if test $localserial -lt $instserial; then |
| 47 | # Installed file is newer. |
| 48 | exit 0 |
| 49 | fi |
| 50 | |
| 51 | # Install the file. |
| 52 | $* $file $dir/$file |