375 lines
10 KiB
Bash
375 lines
10 KiB
Bash
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#!/bin/sh
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#
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# Makeself version 2.1.x
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# by Stephane Peter <megastep@megastep.org>
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#
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# $Id: makeself.sh,v 1.51 2004/09/07 22:16:53 megastep Exp $
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#
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# Utility to create self-extracting tar.gz archives.
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# The resulting archive is a file holding the tar.gz archive with
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# a small Shell script stub that uncompresses the archive to a temporary
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# directory and then executes a given script from withing that directory.
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#
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# Makeself home page: http://www.megastep.org/makeself/
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#
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# Version 2.0 is a rewrite of version 1.0 to make the code easier to read and maintain.
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#
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# Version history :
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# - 1.0 : Initial public release
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# - 1.1 : The archive can be passed parameters that will be passed on to
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# the embedded script, thanks to John C. Quillan
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# - 1.2 : Package distribution, bzip2 compression, more command line options,
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# support for non-temporary archives. Ideas thanks to Francois Petitjean
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# - 1.3 : More patches from Bjarni R. Einarsson and Francois Petitjean:
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# Support for no compression (--nocomp), script is no longer mandatory,
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# automatic launch in an xterm, optional verbose output, and -target
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# archive option to indicate where to extract the files.
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# - 1.4 : Improved UNIX compatibility (Francois Petitjean)
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# Automatic integrity checking, support of LSM files (Francois Petitjean)
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# - 1.5 : Many bugfixes. Optionally disable xterm spawning.
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# - 1.5.1 : More bugfixes, added archive options -list and -check.
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# - 1.5.2 : Cosmetic changes to inform the user of what's going on with big
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# archives (Quake III demo)
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# - 1.5.3 : Check for validity of the DISPLAY variable before launching an xterm.
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# More verbosity in xterms and check for embedded command's return value.
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# Bugfix for Debian 2.0 systems that have a different "print" command.
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# - 1.5.4 : Many bugfixes. Print out a message if the extraction failed.
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# - 1.5.5 : More bugfixes. Added support for SETUP_NOCHECK environment variable to
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# bypass checksum verification of archives.
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# - 1.6.0 : Compute MD5 checksums with the md5sum command (patch from Ryan Gordon)
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# - 2.0 : Brand new rewrite, cleaner architecture, separated header and UNIX ports.
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# - 2.0.1 : Added --copy
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# - 2.1.0 : Allow multiple tarballs to be stored in one archive, and incremental updates.
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# Added --nochown for archives
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# Stopped doing redundant checksums when not necesary
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# - 2.1.1 : Work around insane behavior from certain Linux distros with no 'uncompress' command
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# Cleaned up the code to handle error codes from compress. Simplified the extraction code.
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# - 2.1.2 : Some bug fixes. Use head -n to avoid problems.
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# - 2.1.3 : Bug fixes with command line when spawning terminals.
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# Added --tar for archives, allowing to give arbitrary arguments to tar on the contents of the archive.
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# Added --noexec to prevent execution of embedded scripts.
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# Added --nomd5 and --nocrc to avoid creating checksums in archives.
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# Added command used to create the archive in --info output.
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# Run the embedded script through eval.
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# - 2.1.4 : Fixed --info output.
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# Generate random directory name when extracting files to . to avoid problems. (Jason Trent)
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# Better handling of errors with wrong permissions for the directory containing the files. (Jason Trent)
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# Avoid some race conditions (Ludwig Nussel)
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#
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# (C) 1998-2004 by St<53>phane Peter <megastep@megastep.org>
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#
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# This software is released under the terms of the GNU GPL version 2 and above
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# Please read the license at http://www.gnu.org/copyleft/gpl.html
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#
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MS_VERSION=2.1.4
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MS_COMMAND="$0"
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for f in "${1+"$@"}"; do
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MS_COMMAND="$MS_COMMAND \\\\
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\\\"$f\\\""
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done
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# Procedures
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MS_Usage()
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{
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echo "Usage: $0 [params] archive_dir file_name label [startup_script] [args]"
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echo "params can be one or more of the following :"
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echo " --version | -v : Print out Makeself version number and exit"
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echo " --help | -h : Print out this help message"
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echo " --gzip : Compress using gzip (default if detected)"
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echo " --bzip2 : Compress using bzip2 instead of gzip"
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echo " --compress : Compress using the UNIX 'compress' command"
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echo " --nocomp : Do not compress the data"
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echo " --notemp : The archive will create archive_dir in the"
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echo " current directory and uncompress in ./archive_dir"
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echo " --copy : Upon extraction, the archive will first copy itself to"
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echo " a temporary directory"
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echo " --append : Append more files to an existing Makeself archive"
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echo " The label and startup scripts will then be ignored"
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echo " --current : Files will be extracted to the current directory."
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echo " Implies --notemp."
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echo " --nomd5 : Don't calculate an MD5 for archive"
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echo " --nocrc : Don't calculate a CRC for archive"
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echo " --header file : Specify location of the header script"
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echo " --follow : Follow the symlinks in the archive"
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echo " --nox11 : Disable automatic spawn of a xterm"
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echo " --nowait : Do not wait for user input after executing embedded"
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echo " program from an xterm"
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echo " --lsm file : LSM file describing the package"
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echo
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echo "Do not forget to give a fully qualified startup script name"
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echo "(i.e. with a ./ prefix if inside the archive)."
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exit 1
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}
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# Default settings
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if type gzip 2>&1 > /dev/null; then
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COMPRESS=gzip
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else
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COMPRESS=Unix
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fi
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KEEP=n
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CURRENT=n
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NOX11=n
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APPEND=n
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COPY=none
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TAR_ARGS=cvf
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HEADER=`dirname $0`/makeself-header.sh
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# LSM file stuff
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LSM_CMD="echo No LSM. >> \"\$archname\""
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while true
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do
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case "$1" in
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--version | -v)
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echo Makeself version $MS_VERSION
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exit 0
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;;
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--bzip2)
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COMPRESS=bzip2
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shift
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;;
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--gzip)
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COMPRESS=gzip
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shift
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;;
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--compress)
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COMPRESS=Unix
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shift
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;;
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--nocomp)
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COMPRESS=none
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shift
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;;
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--notemp)
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KEEP=y
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shift
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;;
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--copy)
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COPY=copy
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shift
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;;
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--current)
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CURRENT=y
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KEEP=y
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shift
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;;
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--header)
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HEADER="$2"
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shift 2
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;;
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--follow)
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TAR_ARGS=cvfh
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shift
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;;
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--nox11)
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NOX11=y
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shift
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;;
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--nowait)
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shift
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;;
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--nomd5)
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NOMD5=y
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shift
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;;
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--nocrc)
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NOCRC=y
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shift
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;;
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--append)
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APPEND=y
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shift
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;;
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--lsm)
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LSM_CMD="cat \"$2\" >> \"\$archname\""
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shift 2
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;;
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-h | --help)
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MS_Usage
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;;
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-*)
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echo Unrecognized flag : "$1"
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MS_Usage
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;;
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*)
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break
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;;
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esac
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done
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archdir="$1"
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archname="$2"
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if test "$APPEND" = y; then
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if test $# -lt 2; then
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MS_Usage
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fi
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# Gather the info from the original archive
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OLDENV=`sh "$archname" --dumpconf`
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if test $? -ne 0; then
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echo "Unable to update archive: $archname" >&2
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exit 1
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else
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eval "$OLDENV"
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fi
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else
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if test "$KEEP" = n -a $# = 3; then
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echo "ERROR: Making a temporary archive with no embedded command does not make sense!" >&2
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echo
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MS_Usage
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fi
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# We don't really want to create an absolute directory...
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if test "$CURRENT" = y; then
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archdirname="."
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else
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archdirname=`basename "$1"`
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fi
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if test $# -lt 3; then
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MS_Usage
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fi
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LABEL="$3"
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SCRIPT="$4"
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test x$SCRIPT = x || shift 1
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shift 3
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SCRIPTARGS="$*"
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fi
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if test "$KEEP" = n -a "$CURRENT" = y; then
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echo "ERROR: It is A VERY DANGEROUS IDEA to try to combine --notemp and --current." >&2
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exit 1
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fi
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case $COMPRESS in
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gzip)
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GZIP_CMD="gzip -c9"
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GUNZIP_CMD="gzip -cd"
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;;
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bzip2)
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GZIP_CMD="bzip2 -9"
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GUNZIP_CMD="bzip2 -d"
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;;
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Unix)
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GZIP_CMD="compress -cf"
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GUNZIP_CMD="exec 2>&-; uncompress -c || test \\\$? -eq 2 || gzip -cd"
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;;
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none)
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GZIP_CMD="cat"
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GUNZIP_CMD="cat"
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;;
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esac
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tmpfile="${TMPDIR:=/tmp}/mkself$$"
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if test -f $HEADER; then
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oldarchname="$archname"
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archname="$tmpfile"
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# Generate a fake header to count its lines
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SKIP=0
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. $HEADER
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SKIP=`cat "$tmpfile" |wc -l`
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# Get rid of any spaces
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SKIP=`expr $SKIP`
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rm -f "$tmpfile"
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echo Header is $SKIP lines long >&2
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archname="$oldarchname"
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else
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echo "Unable to open header file: $HEADER" >&2
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exit 1
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fi
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echo
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if test "$APPEND" = n; then
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if test -f "$archname"; then
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echo "WARNING: Overwriting existing file: $archname" >&2
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fi
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fi
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USIZE=`du -ks $archdir | cut -f1`
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DATE=`LC_ALL=C date`
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if test "." = "$archdirname"; then
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if test "$KEEP" = n; then
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archdirname="makeself-$$-`date +%Y%m%d%H%M%S`"
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fi
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fi
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echo About to compress $USIZE KB of data...
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echo Adding files to archive named \"$archname\"...
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(cd "$archdir" && ( tar $TAR_ARGS - * | eval "$GZIP_CMD" ) >> "$tmpfile") || { echo Aborting: Archive directory not found or temporary file: "$tmpfile" could not be created.; rm -f "$tmpfile"; exit 1; }
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echo >> "$tmpfile" >&- # try to close the archive
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fsize=`cat "$tmpfile" | wc -c | tr -d " "`
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# Compute the checksums
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md5sum=00000000000000000000000000000000
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crcsum=0000000000
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if test "$NOCRC" = y; then
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echo "skipping crc at user request"
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else
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crcsum=`cat "$tmpfile" | CMD_ENV=xpg4 cksum | sed -e 's/ /Z/' -e 's/ /Z/' | cut -dZ -f1`
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echo "CRC: $crcsum"
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fi
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# Try to locate a MD5 binary
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OLD_PATH=$PATH
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PATH=${GUESS_MD5_PATH:-"$OLD_PATH:/bin:/usr/bin:/sbin:/usr/local/ssl/bin:/usr/local/bin:/opt/openssl/bin"}
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MD5_PATH=`type -p md5sum`
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MD5_PATH=${MD5_PATH:-`type -p md5`}
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PATH=$OLD_PATH
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if test "$NOMD5" = y; then
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echo "skipping md5sum at user request"
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else
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if test -x "$MD5_PATH"; then
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md5sum=`cat "$tmpfile" | "$MD5_PATH" | cut -b-32`;
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echo "MD5: $md5sum"
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else
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echo "MD5: none, md5sum binary not found"
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fi
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fi
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if test "$APPEND" = y; then
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mv "$archname" "$archname".bak || exit
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# Prepare entry for new archive
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filesizes="$filesizes $fsize"
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CRCsum="$CRCsum $crcsum"
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MD5sum="$MD5sum $md5sum"
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USIZE=`expr $USIZE + $OLDUSIZE`
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# Generate the header
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. $HEADER
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# Append the original data
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tail -n +$OLDSKIP "$archname".bak >> "$archname"
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# Append the new data
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cat "$tmpfile" >> "$archname"
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chmod +x "$archname"
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rm -f "$archname".bak
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echo Self-extractible archive \"$archname\" successfully updated.
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else
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|
filesizes="$fsize"
|
|||
|
|
CRCsum="$crcsum"
|
|||
|
|
MD5sum="$md5sum"
|
|||
|
|
|
|||
|
|
# Generate the header
|
|||
|
|
. $HEADER
|
|||
|
|
|
|||
|
|
# Append the compressed tar data after the stub
|
|||
|
|
echo
|
|||
|
|
cat "$tmpfile" >> "$archname"
|
|||
|
|
chmod +x "$archname"
|
|||
|
|
echo Self-extractible archive \"$archname\" successfully created.
|
|||
|
|
fi
|
|||
|
|
rm -f "$tmpfile"
|