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Makeself is a self-extracting archiving tool for Unix systems, in 100% shell script.
#!/bin/sh
#
# Makeself version 2.2.x
# by Stephane Peter
#
# Utility to create self-extracting tar.gz archives.
# The resulting archive is a file holding the tar.gz archive with
# a small Shell script stub that uncompresses the archive to a temporary
# directory and then executes a given script from withing that directory.
#
# Makeself home page: http://www.megastep.org/makeself/
#
# Version 2.0 is a rewrite of version 1.0 to make the code easier to read and maintain.
#
# Version history :
# - 1.0 : Initial public release
# - 1.1 : The archive can be passed parameters that will be passed on to
# the embedded script, thanks to John C. Quillan
# - 1.2 : Package distribution, bzip2 compression, more command line options,
# support for non-temporary archives. Ideas thanks to Francois Petitjean
# - 1.3 : More patches from Bjarni R. Einarsson and Francois Petitjean:
# Support for no compression (--nocomp), script is no longer mandatory,
# automatic launch in an xterm, optional verbose output, and -target
# archive option to indicate where to extract the files.
# - 1.4 : Improved UNIX compatibility (Francois Petitjean)
# Automatic integrity checking, support of LSM files (Francois Petitjean)
# - 1.5 : Many bugfixes. Optionally disable xterm spawning.
# - 1.5.1 : More bugfixes, added archive options -list and -check.
# - 1.5.2 : Cosmetic changes to inform the user of what's going on with big
# archives (Quake III demo)
# - 1.5.3 : Check for validity of the DISPLAY variable before launching an xterm.
# More verbosity in xterms and check for embedded command's return value.
# Bugfix for Debian 2.0 systems that have a different "print" command.
# - 1.5.4 : Many bugfixes. Print out a message if the extraction failed.
# - 1.5.5 : More bugfixes. Added support for SETUP_NOCHECK environment variable to
# bypass checksum verification of archives.
# - 1.6.0 : Compute MD5 checksums with the md5sum command (patch from Ryan Gordon)
# - 2.0 : Brand new rewrite, cleaner architecture, separated header and UNIX ports.
# - 2.0.1 : Added --copy
# - 2.1.0 : Allow multiple tarballs to be stored in one archive, and incremental updates.
# Added --nochown for archives
# Stopped doing redundant checksums when not necesary
# - 2.1.1 : Work around insane behavior from certain Linux distros with no 'uncompress' command
# Cleaned up the code to handle error codes from compress. Simplified the extraction code.
# - 2.1.2 : Some bug fixes. Use head -n to avoid problems.
# - 2.1.3 : Bug fixes with command line when spawning terminals.
# Added --tar for archives, allowing to give arbitrary arguments to tar on the contents of the archive.
# Added --noexec to prevent execution of embedded scripts.
# Added --nomd5 and --nocrc to avoid creating checksums in archives.
# Added command used to create the archive in --info output.
# Run the embedded script through eval.
# - 2.1.4 : Fixed --info output.
# Generate random directory name when extracting files to . to avoid problems. (Jason Trent)
# Better handling of errors with wrong permissions for the directory containing the files. (Jason Trent)
# Avoid some race conditions (Ludwig Nussel)
# Unset the $CDPATH variable to avoid problems if it is set. (Debian)
# Better handling of dot files in the archive directory.
# - 2.1.5 : Made the md5sum detection consistent with the header code.
# Check for the presence of the archive directory
# Added --encrypt for symmetric encryption through gpg (Eric Windisch)
# Added support for the digest command on Solaris 10 for MD5 checksums
# Check for available disk space before extracting to the target directory (Andreas Schweitzer)
# Allow extraction to run asynchronously (patch by Peter Hatch)
# Use file descriptors internally to avoid error messages (patch by Kay Tiong Khoo)
# - 2.1.6 : Replaced one dot per file progress with a realtime progress percentage and a spining cursor (Guy Baconniere)
# Added --noprogress to prevent showing the progress during the decompression (Guy Baconniere)
# Added --target dir to allow extracting directly to a target directory (Guy Baconniere)
# - 2.2.0 : Many bugfixes, updates and contributions from users. Check out the project page on Github for the details.
# - 2.3.0 : Option to specify packaging date to enable byte-for-byte reproducibility. (Marc Pawlowsky)
#
# (C) 1998-2017 by Stephane Peter
#
# This software is released under the terms of the GNU GPL version 2 and above
# Please read the license at http://www.gnu.org/copyleft/gpl.html
#
MS_VERSION=2.3.0
MS_COMMAND="$0"
unset CDPATH
for f in "${1+"$@"}"; do
MS_COMMAND="$MS_COMMAND \\\\
\\\"$f\\\""
done
# Procedures
MS_Usage()
{
echo "Usage: $0 [params] archive_dir file_name label startup_script [args]"
echo "params can be one or more of the following :"
echo " --version | -v : Print out Makeself version number and exit"
echo " --help | -h : Print out this help message"
echo " --tar-quietly : Suppress verbose output from the tar command"
echo " --quiet | -q : Do not print any messages other than errors."
echo " --gzip : Compress using gzip (default if detected)"
echo " --pigz : Compress with pigz"
echo " --bzip2 : Compress using bzip2 instead of gzip"
echo " --pbzip2 : Compress using pbzip2 instead of gzip"
echo " --xz : Compress using xz instead of gzip"
echo " --lzo : Compress using lzop instead of gzip"
echo " --lz4 : Compress using lz4 instead of gzip"
echo " --compress : Compress using the UNIX 'compress' command"
echo " --complevel lvl : Compression level for gzip pigz xz lzo lz4 bzip2 and pbzip2 (default 9)"
echo " --base64 : Instead of compressing, encode the data using base64"
echo " --gpg-encrypt : Instead of compressing, encrypt the data using GPG"
echo " --ssl-encrypt : Instead of compressing, encrypt the data using OpenSSL"
echo " --nocomp : Do not compress the data"
echo " --notemp : The archive will create archive_dir in the"
echo " current directory and uncompress in ./archive_dir"
echo " --needroot : Check that the root user is extracting the archive before proceeding"
echo " --copy : Upon extraction, the archive will first copy itself to"
echo " a temporary directory"
echo " --append : Append more files to an existing Makeself archive"
echo " The label and startup scripts will then be ignored"
echo " --target dir : Extract directly to a target directory"
echo " directory path can be either absolute or relative"
echo " --nooverwrite : Do not extract the archive if the specified target directory exists"
echo " --current : Files will be extracted to the current directory"
echo " Both --current and --target imply --notemp"
echo " --tar-extra opt : Append more options to the tar command line"
echo " --nomd5 : Don't calculate an MD5 for archive"
echo " --nocrc : Don't calculate a CRC for archive"
echo " --header file : Specify location of the header script"
echo " --follow : Follow the symlinks in the archive"
echo " --noprogress : Do not show the progress during the decompression"
echo " --nox11 : Disable automatic spawn of a xterm"
echo " --nowait : Do not wait for user input after executing embedded"
echo " program from an xterm"
echo " --lsm file : LSM file describing the package"
echo " --license file : Append a license file"
echo " --help-header file : Add a header to the archive's --help output"
echo " --packaging-date date"
echo " : Use provided string as the packaging date"
echo " instead of the current date."
echo
echo " --keep-umask : Keep the umask set to shell default, rather than overriding when executing self-extracting archive."
echo
echo "Do not forget to give a fully qualified startup script name"
echo "(i.e. with a ./ prefix if inside the archive)."
exit 1
}
# Default settings
if type gzip 2>&1 > /dev/null; then
COMPRESS=gzip
else
COMPRESS=Unix
fi
COMPRESS_LEVEL=9
KEEP=n
CURRENT=n
NOX11=n
NOWAIT=n
APPEND=n
TAR_QUIETLY=n
KEEP_UMASK=n
QUIET=n
NOPROGRESS=n
COPY=none
NEED_ROOT=n
TAR_ARGS=cvf
TAR_EXTRA=""
DU_ARGS=-ks
HEADER=`dirname "$0"`/makeself-header.sh
TARGETDIR=""
NOOVERWRITE=n
DATE=`LC_ALL=C date`
# LSM file stuff
LSM_CMD="echo No LSM. >> \"\$archname\""
while true
do
case "$1" in
--version | -v)
echo Makeself version $MS_VERSION
exit 0
;;
--pbzip2)
COMPRESS=pbzip2
shift
;;
--bzip2)
COMPRESS=bzip2
shift
;;
--gzip)
COMPRESS=gzip
shift
;;
--pigz)
COMPRESS=pigz
shift
;;
--xz)
COMPRESS=xz
shift
;;
--lzo)
COMPRESS=lzo
shift
;;
--lz4)
COMPRESS=lz4
shift
;;
--compress)
COMPRESS=Unix
shift
;;
--base64)
COMPRESS=base64
shift
;;
--gpg-encrypt)
COMPRESS=gpg
shift
;;
--ssl-encrypt)
COMPRESS=openssl
shift
;;
--nocomp)
COMPRESS=none
shift
;;
--complevel)
COMPRESS_LEVEL="$2"
if ! shift 2; then MS_Help; exit 1; fi
;;
--notemp)
KEEP=y
shift
;;
--copy)
COPY=copy
shift
;;
--current)
CURRENT=y
KEEP=y
shift
;;
--tar-extra)
TAR_EXTRA="$2"
if ! shift 2; then MS_Help; exit 1; fi
;;
--target)
TARGETDIR="$2"
KEEP=y
if ! shift 2; then MS_Help; exit 1; fi
;;
--nooverwrite)
NOOVERWRITE=y
shift
;;
--needroot)
NEED_ROOT=y
shift
;;
--header)
HEADER="$2"
if ! shift 2; then MS_Help; exit 1; fi
;;
--license)
LICENSE=`cat $2`
if ! shift 2; then MS_Help; exit 1; fi
;;
--follow)
TAR_ARGS=cvhf
DU_ARGS=-ksL
shift
;;
--noprogress)
NOPROGRESS=y
shift
;;
--nox11)
NOX11=y
shift
;;
--nowait)
NOWAIT=y
shift
;;
--nomd5)
NOMD5=y
shift
;;
--nocrc)
NOCRC=y
shift
;;
--append)
APPEND=y
shift
;;
--lsm)
LSM_CMD="cat \"$2\" >> \"\$archname\""
if ! shift 2; then MS_Help; exit 1; fi
;;
--packaging-date)
DATE="$2"
if ! shift 2; then MS_Help; exit 1; fi
;;
--help-header)
HELPHEADER=`sed -e "s/'/'\\\\\''/g" $2`
if ! shift 2; then MS_Help; exit 1; fi
[ -n "$HELPHEADER" ] && HELPHEADER="$HELPHEADER
"
;;
--tar-quietly)
TAR_QUIETLY=y
shift
;;
--keep-umask)
KEEP_UMASK=y
shift
;;
-q | --quiet)
QUIET=y
shift
;;
-h | --help)
MS_Usage
;;
-*)
echo Unrecognized flag : "$1"
MS_Usage
;;
*)
break
;;
esac
done
if test $# -lt 1; then
MS_Usage
else
if test -d "$1"; then
archdir="$1"
else
echo "Directory $1 does not exist." >&2
exit 1
fi
fi
archname="$2"
if test "$QUIET" = "y" || test "$TAR_QUIETLY" = "y"; then
if test "$TAR_ARGS" = "cvf"; then
TAR_ARGS="cf"
elif test "$TAR_ARGS" = "cvhf";then
TAR_ARGS="chf"
fi
fi
if test "$APPEND" = y; then
if test $# -lt 2; then
MS_Usage
fi
# Gather the info from the original archive
OLDENV=`sh "$archname" --dumpconf`
if test $? -ne 0; then
echo "Unable to update archive: $archname" >&2
exit 1
else
eval "$OLDENV"
fi
else
if test "$KEEP" = n -a $# = 3; then
echo "ERROR: Making a temporary archive with no embedded command does not make sense!" >&2
echo >&2
MS_Usage
fi
# We don't want to create an absolute directory unless a target directory is defined
if test "$CURRENT" = y; then
archdirname="."
elif test x$TARGETDIR != x; then
archdirname="$TARGETDIR"
else
archdirname=`basename "$1"`
fi
if test $# -lt 3; then
MS_Usage
fi
LABEL="$3"
SCRIPT="$4"
test "x$SCRIPT" = x || shift 1
shift 3
SCRIPTARGS="$*"
fi
if test "$KEEP" = n -a "$CURRENT" = y; then
echo "ERROR: It is A VERY DANGEROUS IDEA to try to combine --notemp and --current." >&2
exit 1
fi
case $COMPRESS in
gzip)
GZIP_CMD="gzip -c$COMPRESS_LEVEL"
GUNZIP_CMD="gzip -cd"
;;
pigz)
GZIP_CMD="pigz -$COMPRESS_LEVEL"
GUNZIP_CMD="gzip -cd"
;;
pbzip2)
GZIP_CMD="pbzip2 -c$COMPRESS_LEVEL"
GUNZIP_CMD="bzip2 -d"
;;
bzip2)
GZIP_CMD="bzip2 -$COMPRESS_LEVEL"
GUNZIP_CMD="bzip2 -d"
;;
xz)
GZIP_CMD="xz -c$COMPRESS_LEVEL"
GUNZIP_CMD="xz -d"
;;
lzo)
GZIP_CMD="lzop -c$COMPRESS_LEVEL"
GUNZIP_CMD="lzop -d"
;;
lz4)
GZIP_CMD="lz4 -c$COMPRESS_LEVEL"
GUNZIP_CMD="lz4 -d"
;;
base64)
GZIP_CMD="base64"
GUNZIP_CMD="base64 -d -i"
;;
gpg)
GZIP_CMD="gpg -ac -z$COMPRESS_LEVEL"
GUNZIP_CMD="gpg -d"
;;
openssl)
GZIP_CMD="openssl aes-256-cbc -a -salt"
GUNZIP_CMD="openssl aes-256-cbc -d -a"
;;
Unix)
GZIP_CMD="compress -cf"
GUNZIP_CMD="exec 2>&-; uncompress -c || test \\\$? -eq 2 || gzip -cd"
;;
none)
GZIP_CMD="cat"
GUNZIP_CMD="cat"
;;
esac
tmpfile="${TMPDIR:=/tmp}/mkself$$"
if test -f "$HEADER"; then
oldarchname="$archname"
archname="$tmpfile"
# Generate a fake header to count its lines
SKIP=0
. "$HEADER"
SKIP=`cat "$tmpfile" |wc -l`
# Get rid of any spaces
SKIP=`expr $SKIP`
rm -f "$tmpfile"
if test "$QUIET" = "n";then
echo Header is $SKIP lines long >&2
fi
archname="$oldarchname"
else
echo "Unable to open header file: $HEADER" >&2
exit 1
fi
if test "$QUIET" = "n";then
echo
fi
if test "$APPEND" = n; then
if test -f "$archname"; then
echo "WARNING: Overwriting existing file: $archname" >&2
fi
fi
USIZE=`du $DU_ARGS "$archdir" | awk '{print $1}'`
if test "." = "$archdirname"; then
if test "$KEEP" = n; then
archdirname="makeself-$$-`date +%Y%m%d%H%M%S`"
fi
fi
test -d "$archdir" || { echo "Error: $archdir does not exist."; rm -f "$tmpfile"; exit 1; }
if test "$QUIET" = "n";then
echo About to compress $USIZE KB of data...
echo Adding files to archive named \"$archname\"...
fi
exec 3<> "$tmpfile"
(cd "$archdir" && ( tar $TAR_EXTRA -$TAR_ARGS - . | eval "$GZIP_CMD" >&3 ) ) || { echo Aborting: Archive directory not found or temporary file: "$tmpfile" could not be created.; exec 3>&-; rm -f "$tmpfile"; exit 1; }
exec 3>&- # try to close the archive
fsize=`cat "$tmpfile" | wc -c | tr -d " "`
# Compute the checksums
md5sum=00000000000000000000000000000000
crcsum=0000000000
if test "$NOCRC" = y; then
if test "$QUIET" = "n";then
echo "skipping crc at user request"
fi
else
crcsum=`cat "$tmpfile" | CMD_ENV=xpg4 cksum | sed -e 's/ /Z/' -e 's/ /Z/' | cut -dZ -f1`
if test "$QUIET" = "n";then
echo "CRC: $crcsum"
fi
fi
if test "$NOMD5" = y; then
if test "$QUIET" = "n";then
echo "skipping md5sum at user request"
fi
else
# Try to locate a MD5 binary
OLD_PATH=$PATH
PATH=${GUESS_MD5_PATH:-"$OLD_PATH:/bin:/usr/bin:/sbin:/usr/local/ssl/bin:/usr/local/bin:/opt/openssl/bin"}
MD5_ARG=""
MD5_PATH=`exec <&- 2>&-; which md5sum || command -v md5sum || type md5sum`
test -x "$MD5_PATH" || MD5_PATH=`exec <&- 2>&-; which md5 || command -v md5 || type md5`
test -x "$MD5_PATH" || MD5_PATH=`exec <&- 2>&-; which digest || command -v digest || type digest`
PATH=$OLD_PATH
if test -x "$MD5_PATH"; then
if test `basename ${MD5_PATH}`x = digestx; then
MD5_ARG="-a md5"
fi
md5sum=`cat "$tmpfile" | eval "$MD5_PATH $MD5_ARG" | cut -b-32`;
if test "$QUIET" = "n";then
echo "MD5: $md5sum"
fi
else
if test "$QUIET" = "n";then
echo "MD5: none, MD5 command not found"
fi
fi
fi
if test "$APPEND" = y; then
mv "$archname" "$archname".bak || exit
# Prepare entry for new archive
filesizes="$filesizes $fsize"
CRCsum="$CRCsum $crcsum"
MD5sum="$MD5sum $md5sum"
USIZE=`expr $USIZE + $OLDUSIZE`
# Generate the header
. "$HEADER"
# Append the original data
tail -n +$OLDSKIP "$archname".bak >> "$archname"
# Append the new data
cat "$tmpfile" >> "$archname"
chmod +x "$archname"
rm -f "$archname".bak
if test "$QUIET" = "n";then
echo Self-extractable archive \"$archname\" successfully updated.
fi
else
filesizes="$fsize"
CRCsum="$crcsum"
MD5sum="$md5sum"
# Generate the header
. "$HEADER"
# Append the compressed tar data after the stub
if test "$QUIET" = "n";then
echo
fi
cat "$tmpfile" >> "$archname"
chmod +x "$archname"
if test "$QUIET" = "n";then
echo Self-extractable archive \"$archname\" successfully created.
fi
fi
rm -f "$tmpfile"
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