399 lines
9.3 KiB
Bash
399 lines
9.3 KiB
Bash
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#!/bin/sh
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#
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# Original Author: Tim Mooney (mooney@plains.NoDak.edu)
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# Improvements by: Ken Estes <kestes@staff.mail.com>
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#
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# This file is distributed under the terms of the GNU General Public License
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#
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# vpkg-provides.sh is part of RPM, the Red Hat Package Manager.
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# vpkg-provides.sh searches a list of directories (based on what OS
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# it's being executed on) for shared libraries and interpreter files
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# that have been installed by some packaging system other than RPM.
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# It then generates a spec file that can be used to build a "virtual
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# package" that provides all of these things without actually
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# installing any files. The spec file in effect tells rpm what it
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# needs to know about operating system files which are not under rpm
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# control. This makes it much easier to use RPM on non-Linux systems.
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# By default the script also generates a %verifyscript (with hard
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# coded $shlib_dirs, $ignore_dirs values) which will check that the
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# checksum of each file in the directories searched has not changed
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# since the package was built.
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# Comments: This script is a quick hack. A better solution is to use the
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# vendor's package management commands to actually query what's installed, and
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# build one or more spec files based on that. This is something
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# I intend to write, probably in perl, but the need for something like this
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# first effort was great, so I didn't want to wait until the better solution
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# was done.
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# The complete specfile will be sent to stdout.
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# you will need to create a spec_header for the virtual package. This
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# header will provide such specfile information as:
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#
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# Summary:
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# Name:
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# Version:
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# Release:
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# Copyright:
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# Group:
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# Source:
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# most of the command line arguments have defaults
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usage="usage: $0 --spec_header '/path/to/os-base-header.spec' \n"
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usage="$usage\t[--find_provides '/path/to/find-provides']\n"
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usage="$usage\t[--shlib_dirs 'dirs:which:contain:shared:libs']\n"
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usage="$usage\t[--ignore_dirs 'egrep|pattern|of|paths|to|ignore']\n"
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# these two should be unnessary as the regular dependency analysis
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# should take care of interpreters as well as shared libraries.
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usage="$usage\t[--interp_dirs 'dirs:which:contain:interpreters']\n"
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usage="$usage\t[--interps 'files:to:assume:are:installed']\n"
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usage="$usage\t[--no_verify]\n"
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# this command may not be portable to all OS's, does something else
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# work? can this be set in the case $osname statement?
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sum_cmd="xargs cksum"
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date=`date`
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hostname=`uname -n`
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# if some subdirectories of the system directories needs to be ignored
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# (eg /usr/local is a subdirectory of /usr but should not be part of
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# the virtual package) then call this script with ignore_dirs set to a
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# vaild egrep pattern which discribes the directories to ignored.
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PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb:/usr/bsd
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export PATH
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#
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# The (OS independent) default values.
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#
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spec_header='/usr/lib/rpm/os-base-header.spec';
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interps="sh:csh:ksh:dtksh:wish:tclsh:perl:awk:gawk:nawk:oawk"
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find_provides='/usr/lib/rpm/find-provides';
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# no file names begin with this character so it is a good default
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# for dirs to ignore.
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ignore_dirs="@"
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osname=`uname -s`
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if test $? -ne 0 || test X$osname = X ; then
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echo "I can't determine what platform this is. Exiting"
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exit 1
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fi
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#
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# Set OS dependent defaults
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#
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case $osname in
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OSF1)
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shlib_dirs='/shlib:/usr/shlib:/usr/dt/lib:/usr/opt'
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interp_dirs='/bin:/usr/bin:/sbin:/usr/dt/bin:/usr/bin/posix'
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;;
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HP-UX)
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shlib_dirs='/usr/shlib:/usr/dt/lib:/opt'
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shlib_dirs="$shlib_dirs:/usr/bms:/usr/obam:/usr/sam"
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interp_dirs='/bin:/usr/bin:/sbin:/usr/dt/bin:/usr/bin/posix'
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;;
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AIX)
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shlib_dirs='/usr/lib:/usr/ccs/lib:/usr/dt/lib:/usr/lpp:/usr/opt'
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interp_dirs='/bin:/usr/bin:/sbin:/usr/dt/bin'
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;;
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SunOS)
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shlib_dirs='/etc/lib:/etc/vx:/opt:/usr/lib:/usr/ccs/lib:/usr/dt/lib'
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shlib_dirs="$shlib_dirs:/usr/4lib:/usr/openwin/lib:/usr/snadm/lib"
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shlib_dirs="$shlib_dirs:/usr/ucblib:/usr/xpg4/lib"
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interp_dirs='/bin:/usr/bin:/sbin:/usr/dt/bin:/usr/xpg4/bin'
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;;
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IRIX|IRIX64)
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shlib_dirs='/lib:/usr/lib:/usr/lib32:/usr/lib64'
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# Irix always makes me laugh...
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shlib_dirs="$shlib_dirs:/usr/ToolTalk:/usr/xfsm:/usr/SpeedShop"
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shlib_dirs="$shlib_dirs:/usr/sgitcl:/usr/SGImeeting:/usr/pcp/lib"
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shlib_dirs="$shlib_dirs:/usr/Motif-2.1"
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interp_dirs='/bin:/usr/bin:/sbin:/usr/sbin:/usr/dt/bin'
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;;
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*)
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echo "I'm sorry. I haven't been configured yet to work on $osname."
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echo "Please poke around your system and try figure out what directories"
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echo "I should be searching for shared libraries. Once you have this"
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echo "information, email it to rpm-list@redhat.com, so that your OS"
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echo "will be supported by some future version of this script."
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echo ""
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echo "Thanks!"
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echo
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exit 2
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;;
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esac
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# allow the user to change defaults with the command line arguments.
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# Loop over all args
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while :
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do
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# Break out if there are no more args
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case $# in
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0)
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break
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;;
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esac
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# Get the first arg, and shuffle
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option=$1
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shift
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# Make all options have two hyphens
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orig_option=$option # Save original for error messages
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case $option in
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--*) ;;
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-*) option=-$option ;;
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esac
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case $option in
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--spec_header)
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spec_header=$1
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shift
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;;
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--ignore_dirs)
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ignore_dirs=$1
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shift
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;;
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--find_provides)
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find_provides=$1
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shift
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;;
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--shlib_dirs)
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shlib_dirs=$1
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shift
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;;
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--interp_dirs)
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interp_dirs=$1
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shift
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;;
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--interps)
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interps=$1
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shift
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;;
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--no_verify)
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no_verify=1
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;;
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--help)
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echo $usage
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exit 0
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;;
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*)
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echo "$0: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
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exit 1
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;;
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esac
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done
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# consistancy checks on the arguments
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if [ ! -f $spec_header ]; then
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echo "You must pass me the full path to the partial spec file"
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echo "as my first argument, since this file does not appear in the"
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echo "default location of $default_spec_header"
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echo
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echo $usage
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echo
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exit 9
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fi
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if [ ! -f $find_provides ]; then
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echo "You must pass me the full path to the find-provides script as my"
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echo "second argument, since find-provides does not appear in the"
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echo "default location of $default_find_provides"
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echo
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echo $usage
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echo
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exit 9
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fi
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provides_tmp=/tmp/provides.$$
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if test -f $provides_tmp ; then
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echo "$provides_tmp already exists. Exiting."
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exit 11
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fi
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#
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# iterate through all the directories in shlib_dirs, looking for shared
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# libraries
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#
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for d in `echo $shlib_dirs | sed -e 's/:/ /g'`
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do
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find $d -type f -print 2>/dev/null | egrep -v \'$ignore_dirs\' | $find_provides >> $provides_tmp
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done
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sum_tmp=/tmp/sum.$$
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if test -f $sum_tmp ; then
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echo "$sum_tmp already exists. Exiting."
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exit 11
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fi
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#
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# iterate through all the directories in shlib_dirs, record the sum
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#
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for d in `echo $shlib_dirs | sed -e 's/:/ /g'`
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do
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find $d -type f -print 2>/dev/null | egrep -v \'$ignore_dirs\' | $sum_cmd >> $sum_tmp
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done
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#
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# output the initial part of the spec file
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#
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cat $spec_header
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#
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# output the 'Provides: ' part of the spec file
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#
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{
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#
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# Output the shared libraries
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#
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for f in `cat $provides_tmp | sort -u`
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do
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echo "Provides: $f"
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done
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#
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# Output the available shell interpreters
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#
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for d in `echo $interp_dirs | sed -e 's/:/ /g'`
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do
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for f in `echo $interps | sed -e 's/:/ /g'`
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do
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if test -f $d/$f ; then
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echo "Provides: $d/$f"
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fi
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done
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done
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} | sed -e 's/%/%%/g'
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#
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# Output the discription of the spec file
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#
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cat <<_EIEIO_
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%description
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This is a virtual RPM package. It contains no actual files. It uses the
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\`Provides' token from RPM 3.x and later to list many of the shared libraries
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and interpreters that are part of the base operating system and associated
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OS packages for $osname.
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This virtual package was constructed based on the vendor/system software
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installed on the '$osname' machine named '$hostname', as of the date
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'$date'.
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Input to the script:
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spec_header=$spec_header
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ignore_dirs=$ignore_dirs
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find_provides=$find_provides
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shlib_dirs=$shlib_dirs
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interp_dirs=$interp_dirs
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interps=$interps
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_EIEIO_
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#
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# Output the build sections of the spec file
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#
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echo '%prep'
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echo '# nothing to do'
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echo '%build'
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echo '# nothing to do'
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echo '%install'
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echo '# nothing to do'
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echo '%clean'
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echo '# nothing to do'
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if [ -z "${no_verify}" ]; then
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#
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# Output the optional verify section of the spec file
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#
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cat <<_EIEIO_
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%verifyscript
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PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/ucb:/usr/bsd
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export PATH
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sum_current_tmp=/tmp/rpm.sum.current.\$\$
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if test -f \$sum_current_tmp ; then
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echo "\$sum_current_tmp already exists. Exiting."
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exit 11
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fi
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sum_package_tmp=/tmp/rpm.sum.package.\$\$
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if test -f \$sum_package_tmp ; then
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echo "\$sum_package_tmp already exists. Exiting."
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exit 11
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fi
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for d in `echo $shlib_dirs | sed -e 's/:/ /g'`
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do
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find \$d -type f -print 2>/dev/null | egrep -v \'$ignore_dirs\' | $sum_cmd >> \$sum_current_tmp
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done
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cat >\$sum_package_tmp <<_EOF_
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_EIEIO_
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# the contents of the temporary file are hardcoded into the verify
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# script so that the file can be reproduced at verification time.
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cat $sum_tmp | sed -e 's/%/%%/g'
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cat <<_EIEIO_
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_EOF_
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cmp \$sum_package_tmp \$sum_current_tmp
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if [ \$? -ne 0 ]; then
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echo"Differences found by: cmp \$sum_package_tmp \$sum_current_tmp"
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exit \$?
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fi
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_EIEIO_
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# end optional verify section
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fi
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#
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# Output the files section of the spec file
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#
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echo '%files'
|
||
|
|
echo '# no files in a virtual package'
|
||
|
|
|
||
|
|
exit 0
|