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##
## tarball -- Roll distribution tarballs
## Copyright (c) 1999-2008 Ralf S. Engelschall <rse@engelschall.com>
##
## This file is part of shtool and free software; you can redistribute
## it and/or modify it under the terms of the GNU General Public
## License as published by the Free Software Foundation; either version
## 2 of the License, or (at your option) any later version.
##
## This file is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
## USA, or contact Ralf S. Engelschall <rse@engelschall.com>.
##
str_tool="tarball"
str_usage="[-t|--trace] [-v|--verbose] [-o|--output <tarball>] [-c|--compress <prog>] [-d|--directory <dir>] [-u|--user <user>] [-g|--group <group>] [-e|--exclude <pattern>] <path> [<path> ...]"
gen_tmpfile=yes
arg_spec="1+"
opt_spec="t.v.o:c:d:u:g:e:"
opt_alias="t:trace,v:verbose,o:output,c:compress,d:directory,u:user,g:group,e:exclude"
opt_t=no
opt_v=no
opt_o=""
opt_c=""
opt_d=""
opt_u=""
opt_g=""
opt_e="CVS,\\.cvsignore,\\.svn,\\.[oa]\$"
. ./sh.common
srcs="$*"
# check whether the test command supports the -x option
if [ -x /bin/sh ] 2>/dev/null; then
minusx="-x"
else
minusx="-r"
fi
# find the tools
paths="`echo $PATH |\
sed -e 's%/*:%:%g' -e 's%/*$%%' \
-e 's/^:/.:/' -e 's/::/:.:/g' -e 's/:$/:./' \
-e 's/:/ /g'`"
for spec in find:gfind,find tar:gtar,tar tardy:tardy,tarcust; do
prg=`echo $spec | sed -e 's/:.*$//'`
tools=`echo $spec | sed -e 's/^.*://'`
eval "prg_${prg}=''"
# iterate over tools
for tool in `echo $tools | sed -e 's/,/ /g'`; do
# iterate over paths
for path in $paths; do
if [ $minusx "$path/$tool" ] && [ ! -d "$path/$tool" ]; then
eval "prg_${prg}=\"$path/$tool\""
break
fi
done
eval "val=\$prg_${prg}"
if [ ".$val" != . ]; then
break
fi
done
done
# expand source paths
exclude=''
for pat in `echo $opt_e | sed 's/,/ /g'`; do
exclude="$exclude | grep -v '$pat'"
done
if [ ".$opt_t" = .yes ]; then
echo "cp /dev/null $tmpfile.lst" 1>&2
fi
cp /dev/null $tmpfile.lst
for src in $srcs; do
if [ -d $src ]; then
if [ ".$opt_t" = .yes ]; then
echo "(cd $src && $prg_find . -type f -depth -print) | sed -e 's:^\\.\$::' -e 's:^\\./::' | cat $exclude >>$tmpfile.lst" 1>&2
fi
(cd $src && $prg_find . -type f -depth -print) |\
sed -e 's:^\.$::' -e 's:^\./::' | eval cat $exclude >>$tmpfile.lst
else
if [ ".$opt_t" = .yes ]; then
echo "echo $src >>$tmpfile.lst" 1>&2
fi
echo $src >>$tmpfile.lst
fi
done
sort <$tmpfile.lst >$tmpfile.lst.n
mv $tmpfile.lst.n $tmpfile.lst
if [ ".$opt_v" = .yes ]; then
cat $tmpfile.lst | sed -e 's/^/ /' 1>&2
fi
# determine tarball file and directory name
if [ ".$opt_o" != . ]; then
tarfile="$opt_o"
if [ ".$opt_d" != . ]; then
tarname="$opt_d"
else
tarname=`echo $tarfile | sed -e 's/\.tar.*$//' -e 's;.*/\([^/]*\)$;\1;'`
fi
else
if [ ".$opt_d" != . ]; then
tarname="$opt_d"
elif [ -d "$from" ]; then
tarname=`echo $from | sed -e 's;.*/\([^/]*\)$;\1;'`
else
tarname="out"
fi
tarfile="$tarname.tar"
fi
# roll the tarball
compress=''
if [ ".$opt_c" != . ]; then
compress="| $opt_c"
fi
if [ ".$prg_tardy" != . ]; then
# the elegant hackers way
tardy_opt="--prefix=$tarname"
tardy_opt="$tardy_opt --user_number=0 --group_number=0" # security!
if [ ".$opt_u" != . ]; then
tardy_opt="$tardy_opt --user_name=$opt_u"
fi
if [ ".$opt_g" != . ]; then
tardy_opt="$tardy_opt --group_name=$opt_g"
fi
if [ ".$opt_t" = .yes ]; then
echo "cat $tmpfile.lst | xargs $prg_tar cf - | $prg_tardy $tardy_opt | cat $compress >$tmpfile.out" 1>&2
fi
cat $tmpfile.lst |\
xargs $prg_tar cf - |\
$prg_tardy $tardy_opt |\
eval cat $compress >$tmpfile.out
if [ ".$opt_t" = .yes ]; then
echo "cp $tmpfile.out $tarfile" 1>&2
fi
cp $tmpfile.out $tarfile
else
# the portable standard way
if [ ".$opt_t" = .yes ]; then
echo "mkdir $tmpdir/$tarname" 1>&2
fi
mkdir $tmpdir/$tarname || shtool_exit 1
if [ ".$opt_t" = .yes ]; then
echo "cat $tmpfile.lst | xargs $prg_tar cf - | (cd $tmpdir/$tarname && $prg_tar xf -)" 1>&2
fi
cat $tmpfile.lst |\
xargs $prg_tar cf - |\
(cd $tmpdir/$tarname && $prg_tar xf -)
if [ ".$opt_u" != . ]; then
if [ ".$opt_t" = .yes ]; then
echo "chown -R $opt_u $tmpdir/$tarname >/dev/null 2>&1" 2>&1
fi
chown -R $opt_u $tmpdir/$tarname >/dev/null 2>&1 ||\
echo "$msgprefix:Warning: cannot set user name \`$opt_u' (would require root privileges)"
fi
if [ ".$opt_g" != . ]; then
if [ ".$opt_t" = .yes ]; then
echo "chgrp -R $opt_g $tmpdir/$tarname >/dev/null 2>&1" 2>&1
fi
chgrp -R $opt_g $tmpdir/$tarname >/dev/null 2>&1 ||\
echo "$msgprefix:Warning: cannot set group name \`$opt_g' (would require root privileges)"
fi
if [ ".$opt_t" = .yes ]; then
echo "(cd $tmpdir && $prg_find $tarname -type f -depth -print | sort | xargs $prg_tar cf -) | cat $compress >$tmpfile.out" 1>&2
fi
(cd $tmpdir && $prg_find $tarname -type f -depth -print | sort | xargs $prg_tar cf -) |\
eval cat $compress >$tmpfile.out
if [ ".$opt_t" = .yes ]; then
echo "cp $tmpfile.out $tarfile" 1>&2
fi
cp $tmpfile.out $tarfile
if [ ".$opt_t" = .yes ]; then
echo "rm -rf $tmpdir/$tarname" 1>&2
fi
rm -rf $tmpdir/$tarname
fi
# cleanup
if [ ".$opt_t" = .yes ]; then
echo "rm -f $tmpfile.lst $tmpfile.out" 1>&2
fi
rm -f $tmpfile.lst $tmpfile.out
shtool_exit 0
##
## manual page
##
=pod
=head1 NAME
B<shtool-tarball> - B<GNU shtool> command for rolling standardized tarballs
=head1 SYNOPSIS
B<shtool tarball>
[B<-t>|B<--trace>]
[B<-v>|B<--verbose>]
[B<-o>|B<--output> I<tarball>]
[B<-c>|B<--compress> I<prog>]
[B<-d>|B<--directory> I<directory>]
[B<-u>|B<--user> I<user>]
[B<-g>|B<--group> I<group>]
[B<-e>|B<--exclude> I<pattern>]
I<path> [I<path> ...]
=head1 DESCRIPTION
This command is for rolling input files under I<path> into a
distribution tarballs which can be extracted by tar(1).
The four important aspects of good open source software tarballs are:
(1) unpack into a single top-level directory, (2) top-level directory
corresponds to the tarball filename, (3) tarball files should be sorted
and (4) arbitrary names for file owner and group.
=head1 OPTIONS
The following command line options are available.
=over 4
=item B<-v>, B<--verbose>
Display some processing information.
=item B<-t>, B<--trace>
Enable the output of the essential shell commands which are executed.
=item B<-o>, B<--output> I<tarball>
Output tarball to file I<tarball>.
=item B<-c>, B<--compress> I<prog>
Pipe resulting tarball through compression program I<prog>.
=item B<-d>, B<--directory> I<directory>
Sets the top-level directory into which the tarball unpacks.
By default it is I<tarball> without the trailing C<.tar.*> extension.
=item B<-u>, B<--user> I<user>
The user (owner) of files and directories in the tarball to I<user>.
=item B<-g>, B<--group> I<group>
The group of files and directories in the tarball to I<group>.
=item B<-e>, B<--exclude> I<pattern>
Exclude files and directories matching comma-separated list of
regex I<pattern> from the tarball. Directories are expanded
before the filtering takes place. The default filter pattern is
"C<CVS,\\.cvsignore,\\.svn,\\.[oa]\$>".
=back
=head1 EXAMPLE
# Makefile.in
dist:
...
V=`shtool version -d short ...`; \
shtool tarball -o foobar-$$V.tar.gz -c 'gzip -9' \
-u bar -g gnu -e 'CVS,\.cvsignore' .
=head1 HISTORY
The B<GNU shtool> B<tarball> command was originally written by Ralf S.
Engelschall E<lt>rse@engelschall.comE<gt> in 1999 for B<GNU shtool>.
=head1 SEE ALSO
shtool(1), tar(1), compress(1).
=cut