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762c7db2e8
- Rework the wrapper support to check libpkg version as well as pkg_install version. - Add libfetch to _prebuild_libs. - There are no new features introduced. Notes: the API is not stable, so basically, do not use libpkg in your projects for now. Also there's no manpage for libpkg yet, because the API will change drastically. I repeat, do not use libpkg for now.
91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/*
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* FreeBSD install - a package for the installation and maintenance
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* of non-core utilities.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Maxim Sobolev
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* 8 September 2002
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "pkg.h"
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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extern char **environ;
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void
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pkg_wrap(long curver, char **argv)
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{
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FILE* f;
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char ver[9]; /* Format is: 'YYYYMMDD\0' */
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char buffer[FILENAME_MAX+10]; /* Format is: 'YYYYMMDD <path>' */
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char cmd[FILENAME_MAX+5]; /* Format is: '<path> -PPq' */
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char *path, *cp;
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long ptver, lpver;
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if (getenv("PKG_NOWRAP") != NULL)
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goto nowrap;
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setenv("PKG_NOWRAP", "1", 1);
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/* Get alternative location for package tools. */
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if ((f = fopen(PKG_WRAPCONF_FNAME, "r")) == NULL) {
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goto nowrap;
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} else {
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if (get_string(buffer, FILENAME_MAX+9, f) == NULL) {
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goto nowrap;
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} else {
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if ((path = strrchr(buffer, ' ')) == NULL) {
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goto nowrap;
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} else {
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*path++ = '\0';
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}
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}
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}
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if ((cp = strrchr(argv[0], '/')) == NULL) {
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cp = argv[0];
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} else {
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cp++;
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}
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/* Get version of the other pkg_install and libpkg */
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snprintf(cmd, FILENAME_MAX+10, "%s/%s -PPq", path, cp);
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if ((f = popen(cmd, "r")) == NULL) {
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perror("popen()");
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goto nowrap;
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} else {
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if (get_string(ver, 9, f) == NULL)
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goto nowrap;
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else
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ptver = strtol(ver, NULL, 10);
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if (get_string(ver, 9, f) == NULL)
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goto nowrap;
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else
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lpver = strtol(ver, NULL, 10);
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pclose(f);
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}
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if ((lpver >= LIBPKG_VERSION) && (ptver > curver)) {
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snprintf(cmd, FILENAME_MAX, "%s/%s", path, cp);
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execve(cmd, argv, environ);
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}
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nowrap:
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unsetenv("PKG_NOWRAP");
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}
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