51 lines
1.5 KiB
Bash
Executable File
51 lines
1.5 KiB
Bash
Executable File
#! /bin/sh
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# Install an aclocal-style M4 file. A script is needed to do this
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# because we want to do serial-number checking; newer versions of
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# macro files should always be preferred.
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# Usage:
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# acinstall file directory installprogram [install-args]...
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# Copyright 1996 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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file="$1"
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dir="$2"
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shift
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shift
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localserial=`grep '^# serial ' $file | sed -e 's/^# serial \([0-9][0-9]*\).*$/\1/; q'`
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if test -z "$localserial"; then
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echo "acinstall: no serial number in $file" 1>&2
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exit 1
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fi
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# Maybe if the installed file has no serial number we should just
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# assume it is ancient.
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instserial=`grep '^# serial ' $dir/$file | sed -e 's/^# serial \([0-9][0-9]*\).*$/\1/; q'`
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if test -z "$instserial"; then
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echo "acinstall: no serial number in $dir/$file" 1>&2
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exit 1
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fi
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if test $localserial -lt $instserial; then
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# Installed file is newer.
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exit 0
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fi
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# Install the file.
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$* $file $dir/$file
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