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- /*
- * dpkg-deb - construction and deconstruction of *.deb archives
- * main.c - main program
- *
- * Copyright (C) 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 <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>
- #include <dpkg.h>
- #include <dpkg-db.h>
- #include <myopt.h>
- #include "dpkg-deb.h"
- const char* showformat = "${Package}\t${Version}\n";
- static void printversion(void) {
- if (printf(_("Debian `%s' package archive backend version %s.\n"),
- BACKEND, DPKG_VERSION_ARCH) < 0) werr("stdout");
- if (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) < 0) werr("stdout");
- }
- static void usage(void) {
- if (printf(_(
- "Usage: %s [<option> ...] <command>\n"
- "\n"), BACKEND) < 0) werr("stdout");
- if (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")) < 0) werr("stdout");
- if (printf(_(
- " -h|--help Show this help message.\n"
- " --version Show the version.\n"
- " --license|--licence Show the copyright licensing terms.\n"
- "\n")) < 0) werr("stdout");
- if (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")) < 0) werr("stdout");
- if (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")) < 0) werr("stdout");
- if (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")) < 0) werr("stdout");
- if (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")) < 0)
- werr("stdout");
- }
- 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=0;
- dofunction *action=0;
- static void helponly(const struct cmdinfo *cip, const char *value) NONRETURNING;
- static void helponly(const struct cmdinfo *cip, const char *value) {
- usage(); exit(0);
- }
- static void versiononly(const struct cmdinfo *cip, const char *value) NONRETURNING;
- static void versiononly(const struct cmdinfo *cip, const char *value) {
- printversion(); exit(0);
- }
- 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, 0, 0, setaction },
- { "contents", 'c', 0, 0, 0, setaction },
- { "control", 'e', 0, 0, 0, setaction },
- { "info", 'I', 0, 0, 0, setaction },
- { "field", 'f', 0, 0, 0, setaction },
- { "extract", 'x', 0, 0, 0, setaction },
- { "vextract", 'X', 0, 0, 0, setaction },
- { "fsys-tarfile", 0, 0, 0, 0, setaction },
- { "show", 'W', 0, 0, 0, setaction },
- { "new", 0, 0, &oldformatflag, 0, 0, 0 },
- { "old", 0, 0, &oldformatflag, 0, 0, 1 },
- { "debug", 'D', 0, &debugflag, 0, 0, 1 },
- { "nocheck", 0, 0, &nocheckflag, 0, 0, 1 },
- { "compression", 'z', 1, 0, &compression, 0, 1 },
- { "compress_type",'Z', 1, 0, 0, setcompresstype },
- { "showformat", 0, 1, 0, &showformat, 0 },
- { "help", 'h', 0, 0, 0, helponly },
- { "version", 0, 0, 0, 0, versiononly },
- { "licence", 0, 0, 0, 0, showcopyright }, /* UK spelling */
- { "license", 0, 0, 0, 0, showcopyright }, /* US spelling */
- { 0, 0 }
- };
- 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(dofunctions)*sizeof(dofunction*)));
- 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");
- standard_startup(&ejbuf, argc, &argv, NULL, 0, cmdinfos);
- if (!cipaction) badusage(_("need an action option"));
- unsetenv("GZIP");
- action(argv);
- standard_shutdown(0);
- exit(0);
- }
- /* vi: sw=2
- */
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