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/*
* dpkg-deb - construction and deconstruction of *.deb archives
* main.c - main program
*
* Copyright © 1994,1995 Ian Jackson <ian@chiark.greenend.org.uk>
*
* This is 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,
* or (at your option) any later version.
*
* This 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 dpkg; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <compat.h>
#include <dpkg/i18n.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <unistd.h>
#include <dirent.h>
#include <limits.h>
#include <ctype.h>
#include <assert.h>
#if HAVE_LOCALE_H
#include <locale.h>
#endif
#include <dpkg/macros.h>
#include <dpkg/dpkg.h>
#include <dpkg/dpkg-db.h>
#include <dpkg/myopt.h>
#include "dpkg-deb.h"
const char* showformat = "${Package}\t${Version}\n";
void
printversion(void)
{
printf(_("Debian `%s' package archive backend version %s.\n"),
BACKEND, DPKG_VERSION_ARCH);
printf(_(
"This is free software; see the GNU General Public License version 2 or\n"
"later for copying conditions. There is NO warranty.\n"
"See %s --license for copyright and license details.\n"), BACKEND);
m_output(stdout, _("<standard output>"));
}
void
usage(void)
{
printf(_(
"Usage: %s [<option> ...] <command>\n"
"\n"), BACKEND);
printf(_(
"Commands:\n"
" -b|--build <directory> [<deb>] Build an archive.\n"
" -c|--contents <deb> List contents.\n"
" -I|--info <deb> [<cfile> ...] Show info to stdout.\n"
" -W|--show <deb> Show information on package(s)\n"
" -f|--field <deb> [<cfield> ...] Show field(s) to stdout.\n"
" -e|--control <deb> [<directory>] Extract control info.\n"
" -x|--extract <deb> <directory> Extract files.\n"
" -X|--vextract <deb> <directory> Extract & list files.\n"
" --fsys-tarfile <deb> Output filesystem tarfile.\n"
"\n"));
printf(_(
" -h|--help Show this help message.\n"
" --version Show the version.\n"
" --license|--licence Show the copyright licensing terms.\n"
"\n"));
printf(_(
"<deb> is the filename of a Debian format archive.\n"
"<cfile> is the name of an administrative file component.\n"
"<cfield> is the name of a field in the main `control' file.\n"
"\n"));
printf(_(
"Options:\n"
" --showformat=<format> Use alternative format for --show.\n"
" -D Enable debugging output.\n"
" --old, --new Select archive format.\n"
" --nocheck Suppress control file check (build bad\n"
" packages).\n"
" -z# Set the compression level when building.\n"
" -Z<type> Set the compression type used when building.\n"
" Allowed values: gzip, bzip2, lzma, none.\n"
"\n"));
printf(_(
"Format syntax:\n"
" A format is a string that will be output for each package. The format\n"
" can include the standard escape sequences \\n (newline), \\r (carriage\n"
" return) or \\\\ (plain backslash). Package information can be included\n"
" by inserting variable references to package fields using the ${var[;width]}\n"
" syntax. Fields will be right-aligned unless the width is negative in which\n"
" case left alignment will be used.\n"));
printf(_(
"\n"
"Use `dpkg' to install and remove packages from your system, or\n"
"`dselect' or `aptitude' for user-friendly package management. Packages\n"
"unpacked using `dpkg-deb --extract' will be incorrectly installed !\n"));
m_output(stdout, _("<standard output>"));
}
const char thisname[]= BACKEND;
const char printforhelp[]=
N_("Type dpkg-deb --help for help about manipulating *.deb files;\n"
"Type dpkg --help for help about installing and deinstalling packages.");
int debugflag=0, nocheckflag=0, oldformatflag=BUILDOLDPKGFORMAT;
const char* compression=NULL;
enum compress_type compress_type = compress_type_gzip;
const struct cmdinfo *cipaction = NULL;
dofunction *action = NULL;
static void setaction(const struct cmdinfo *cip, const char *value);
static void setcompresstype(const struct cmdinfo *cip, const char *value);
static dofunction *const dofunctions[]= {
do_build,
do_contents,
do_control,
do_info,
do_field,
do_extract,
do_vextract,
do_fsystarfile,
do_showinfo
};
/* NB: the entries using setaction must appear first and be in the
* same order as dofunctions:
*/
static const struct cmdinfo cmdinfos[]= {
{ "build", 'b', 0, NULL, NULL, setaction },
{ "contents", 'c', 0, NULL, NULL, setaction },
{ "control", 'e', 0, NULL, NULL, setaction },
{ "info", 'I', 0, NULL, NULL, setaction },
{ "field", 'f', 0, NULL, NULL, setaction },
{ "extract", 'x', 0, NULL, NULL, setaction },
{ "vextract", 'X', 0, NULL, NULL, setaction },
{ "fsys-tarfile", 0, 0, NULL, NULL, setaction },
{ "show", 'W', 0, NULL, NULL, setaction },
{ "new", 0, 0, &oldformatflag, NULL, NULL, 0 },
{ "old", 0, 0, &oldformatflag, NULL, NULL, 1 },
{ "debug", 'D', 0, &debugflag, NULL, NULL, 1 },
{ "nocheck", 0, 0, &nocheckflag, NULL, NULL, 1 },
{ "compression", 'z', 1, NULL, &compression, NULL, 1 },
{ "compress_type", 'Z', 1, NULL, NULL, setcompresstype },
{ "showformat", 0, 1, NULL, &showformat, NULL },
{ "help", 'h', 0, NULL, NULL, helponly },
{ "version", 0, 0, NULL, NULL, versiononly },
/* UK spelling. */
{ "licence", 0, 0, NULL, NULL, showcopyright },
/* US spelling. */
{ "license", 0, 0, NULL, NULL, showcopyright },
{ NULL, 0, 0, NULL, NULL, NULL }
};
static void setaction(const struct cmdinfo *cip, const char *value) {
if (cipaction)
badusage(_("conflicting actions -%c (--%s) and -%c (--%s)"),
cip->oshort, cip->olong, cipaction->oshort, cipaction->olong);
cipaction= cip;
assert((int)(cip - cmdinfos) < (int)(sizeof_array(dofunctions)));
action= dofunctions[cip-cmdinfos];
}
static void setcompresstype(const struct cmdinfo *cip, const char *value) {
if (!strcmp(value, "gzip"))
compress_type = compress_type_gzip;
else if (!strcmp(value, "bzip2"))
compress_type = compress_type_bzip2;
else if (!strcmp(value, "lzma"))
compress_type = compress_type_lzma;
else if (!strcmp(value, "none"))
compress_type = compress_type_cat;
else
ohshit(_("unknown compression type `%s'!"), value);
}
int main(int argc, const char *const *argv) {
jmp_buf ejbuf;
setlocale(LC_NUMERIC, "POSIX");
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
standard_startup(&ejbuf);
myopt(&argv, cmdinfos);
if (!cipaction) badusage(_("need an action option"));
unsetenv("GZIP");
action(argv);
standard_shutdown();
exit(0);
}
/* vi: sw=2
*/
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