470 lines
13 KiB
C
470 lines
13 KiB
C
#ifndef lint
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static const char *rcsid = "$Id$";
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#endif
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/*
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* FreeBSD install - a package for the installation and maintainance
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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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* Jordan K. Hubbard
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* 18 July 1993
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*
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* This is the main body of the add module.
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*
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*/
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#include "lib.h"
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#include "add.h"
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#include <signal.h>
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#include <sys/wait.h>
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static int pkg_do(char *);
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static int sanity_check(char *);
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static char LogDir[FILENAME_MAX];
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int
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pkg_perform(char **pkgs)
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{
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int i, err_cnt = 0;
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signal(SIGINT, cleanup);
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signal(SIGHUP, cleanup);
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if (AddMode == SLAVE)
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err_cnt = pkg_do(NULL);
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else {
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for (i = 0; pkgs[i]; i++)
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err_cnt += pkg_do(pkgs[i]);
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}
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return err_cnt;
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}
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static Package Plist;
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static char *Home;
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/*
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* This is seriously ugly code following. Written very fast!
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* [And subsequently made even worse.. Sigh! This code was just born
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* to be hacked, I guess.. :) -jkh]
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*/
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static int
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pkg_do(char *pkg)
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{
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char pkg_fullname[FILENAME_MAX];
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char playpen[FILENAME_MAX];
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char extract_contents[FILENAME_MAX];
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char *where_to, *tmp, *extract;
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FILE *cfile;
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int code;
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PackingList p;
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struct stat sb;
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int inPlace;
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code = 0;
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LogDir[0] = '\0';
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strcpy(playpen, FirstPen);
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inPlace = 0;
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/* Are we coming in for a second pass, everything already extracted? */
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if (!pkg) {
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fgets(playpen, FILENAME_MAX, stdin);
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playpen[strlen(playpen) - 1] = '\0'; /* pesky newline! */
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if (chdir(playpen) == FAIL) {
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whinge("pkg_add in SLAVE mode can't chdir to %s.", playpen);
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return 1;
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}
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read_plist(&Plist, stdin);
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where_to = playpen;
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}
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/* Nope - do it now */
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else {
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/* Is it an ftp://foo.bar.baz/file.tgz specification? */
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if (isURL(pkg)) {
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if (!(Home = fileGetURL(NULL, pkg))) {
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whinge("Unable to fetch `%s' by URL.", pkg);
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return 1;
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}
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where_to = Home;
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strcpy(pkg_fullname, pkg);
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cfile = fopen(CONTENTS_FNAME, "r");
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if (!cfile) {
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whinge("Unable to open table of contents file `%s' - not a package?", CONTENTS_FNAME);
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goto bomb;
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}
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read_plist(&Plist, cfile);
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fclose(cfile);
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}
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else {
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strcpy(pkg_fullname, pkg); /* copy for sanity's sake, could remove pkg_fullname */
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if (strcmp(pkg, "-")) {
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if (stat(pkg_fullname, &sb) == FAIL) {
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whinge("Can't stat package file '%s'.", pkg_fullname);
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goto bomb;
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}
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sprintf(extract_contents, "--fast-read %s", CONTENTS_FNAME);
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extract = extract_contents;
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}
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else {
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extract = NULL;
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sb.st_size = 100000; /* Make up a plausible average size */
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}
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Home = make_playpen(playpen, sb.st_size * 4);
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if (!Home)
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whinge("Unable to make playpen for %d bytes.\n", sb.st_size * 4);
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where_to = Home;
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if (unpack(pkg_fullname, extract)) {
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whinge("Unable to extract table of contents file from `%s' - not a package?.", pkg_fullname);
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goto bomb;
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}
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cfile = fopen(CONTENTS_FNAME, "r");
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if (!cfile) {
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whinge("Unable to open table of contents file `%s' - not a package?", CONTENTS_FNAME);
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goto bomb;
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}
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read_plist(&Plist, cfile);
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fclose(cfile);
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/* Extract directly rather than moving? Oh goodie! */
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if (find_plist_option(&Plist, "extract-in-place")) {
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if (Verbose)
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printf("Doing in-place extraction for %s\n", pkg_fullname);
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p = find_plist(&Plist, PLIST_CWD);
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if (p) {
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if (!isdir(p->name) && !Fake) {
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if (Verbose)
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printf("Desired prefix of %s does not exist, creating..\n", p->name);
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vsystem("mkdir -p %s", p->name);
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if (chdir(p->name) == -1) {
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whinge("Unable to change directory to `%s' - no permission?", p->name);
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perror("chdir");
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goto bomb;
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}
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}
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where_to = p->name;
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inPlace = 1;
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}
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else {
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whinge("No prefix specified in `%s' - this is a bad package!", pkg_fullname);
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goto bomb;
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}
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}
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/*
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* Apply a crude heuristic to see how much space the package will
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* take up once it's unpacked. I've noticed that most packages
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* compress an average of 75%, so multiply by 4 for good measure.
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*/
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if (!inPlace && min_free(playpen) < sb.st_size * 4) {
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whinge("Projected size of %d exceeds available free space.\n"
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"Please set your PKG_TMPDIR variable to point to a location with more\n"
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"free space and try again.", sb.st_size * 4);
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whinge("Not extracting %s\ninto %s, sorry!", pkg_fullname, where_to);
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goto bomb;
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}
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/* If this is a direct extract and we didn't want it, stop now */
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if (inPlace && Fake)
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goto success;
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/* Finally unpack the whole mess */
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if (unpack(pkg_fullname, NULL)) {
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whinge("Unable to extract `%s'!", pkg_fullname);
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goto bomb;
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}
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}
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/* Check for sanity and dependencies */
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if (sanity_check(pkg))
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goto bomb;
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/* If we're running in MASTER mode, just output the plist and return */
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if (AddMode == MASTER) {
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printf("%s\n", where_playpen());
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write_plist(&Plist, stdout);
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return 0;
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}
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}
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/*
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* If we have a prefix, delete the first one we see and add this
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* one in place of it.
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*/
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if (Prefix) {
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delete_plist(&Plist, FALSE, PLIST_CWD, NULL);
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add_plist_top(&Plist, PLIST_CWD, Prefix);
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}
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setenv(PKG_PREFIX_VNAME, (p = find_plist(&Plist, PLIST_CWD)) ? p->name : ".", 1);
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/* Protect against old packages with bogus @name fields */
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PkgName = (p = find_plist(&Plist, PLIST_NAME)) ? p->name : "anonymous";
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/* See if we're already registered */
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sprintf(LogDir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR, PkgName);
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if (isdir(LogDir) && !Force) {
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whinge("Package `%s' already recorded as installed.\n", PkgName);
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code = 1;
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goto success; /* close enough for government work */
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}
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/* Now check the packing list for dependencies */
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for (p = Plist.head; p ; p = p->next) {
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if (p->type != PLIST_PKGDEP)
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continue;
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if (Verbose)
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printf("Package `%s' depends on `%s'.\n", PkgName, p->name);
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if (vsystem("pkg_info -e %s", p->name)) {
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char path[FILENAME_MAX], *cp = NULL;
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if (!Fake) {
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if (!isURL(pkg) && !getenv("PKG_ADD_BASE")) {
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snprintf(path, FILENAME_MAX, "%s/%s.tgz", Home, p->name);
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if (fexists(path))
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cp = path;
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else
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cp = fileFindByPath(pkg, p->name);
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if (cp) {
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if (Verbose)
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printf("Loading it from %s.\n", cp);
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if (vsystem("pkg_add %s", cp)) {
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whinge("Autoload of dependency `%s' failed%s", cp, Force ? " (proceeding anyway)" : "!");
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if (!Force)
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++code;
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}
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}
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}
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else if ((cp = fileGetURL(pkg, p->name)) != NULL) {
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if (Verbose)
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printf("Finished loading %s over FTP.\n", p->name);
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if (!fexists("+CONTENTS")) {
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whinge("Autoloaded package %s has no +CONTENTS file?", p->name);
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if (!Force)
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++code;
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}
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else if (vsystem("(pwd; cat +CONTENTS) | pkg_add %s-S", Verbose ? "-v " : "")) {
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whinge("pkg_add of dependency `%s' failed%s", p->name, Force ? " (proceeding anyway)" : "!");
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if (!Force)
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++code;
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}
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else if (Verbose)
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printf("\t`%s' loaded successfully.\n", p->name);
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/* Nuke the temporary playpen */
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leave_playpen(cp);
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}
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}
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else {
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if (Verbose)
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printf("and was not found%s.\n", Force ? " (proceeding anyway)" : "");
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else
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printf("Package dependency %s for %s not found%s\n", p->name, pkg,
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Force ? " (proceeding anyway)" : "!");
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if (!Force)
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++code;
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}
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}
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else if (Verbose)
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printf(" - already installed.\n");
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}
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if (code != 0)
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goto bomb;
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/* Look for the requirements file */
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if (fexists(REQUIRE_FNAME)) {
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vsystem("chmod +x %s", REQUIRE_FNAME); /* be sure */
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if (Verbose)
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printf("Running requirements file first for %s..\n", PkgName);
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if (!Fake && vsystem("./%s %s INSTALL", REQUIRE_FNAME, PkgName)) {
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whinge("Package %s fails requirements %s", pkg_fullname,
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Force ? "installing anyway" : "- not installed.");
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if (!Force) {
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code = 1;
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goto success; /* close enough for government work */
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}
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}
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}
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/* If we're really installing, and have an installation file, run it */
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if (!NoInstall && fexists(INSTALL_FNAME)) {
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vsystem("chmod +x %s", INSTALL_FNAME); /* make sure */
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if (Verbose)
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printf("Running install with PRE-INSTALL for %s..\n", PkgName);
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if (!Fake && vsystem("./%s %s PRE-INSTALL", INSTALL_FNAME, PkgName)) {
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whinge("Install script returned error status.");
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unlink(INSTALL_FNAME);
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code = 1;
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goto success; /* nothing to uninstall yet */
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}
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}
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/* Now finally extract the entire show if we're not going direct */
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if (!inPlace && !Fake)
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extract_plist(".", &Plist);
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if (!Fake && fexists(MTREE_FNAME)) {
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if (Verbose)
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printf("Running mtree for %s..\n", PkgName);
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p = find_plist(&Plist, PLIST_CWD);
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if (Verbose)
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printf("mtree -U -f %s -d -e -p %s\n", MTREE_FNAME, p ? p->name : "/");
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if (!Fake) {
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if (vsystem("/usr/sbin/mtree -U -f %s -d -e -p %s", MTREE_FNAME, p ? p->name : "/"))
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whinge("mtree returned a non-zero status - continuing.");
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}
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unlink(MTREE_FNAME);
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}
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/* Run the installation script one last time? */
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if (!NoInstall && fexists(INSTALL_FNAME)) {
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if (Verbose)
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printf("Running install with POST-INSTALL for %s..\n", PkgName);
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if (!Fake && vsystem("./%s %s POST-INSTALL", INSTALL_FNAME, PkgName)) {
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whinge("Install script returned error status.");
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unlink(INSTALL_FNAME);
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code = 1;
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goto fail;
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}
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unlink(INSTALL_FNAME);
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}
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/* Time to record the deed? */
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if (!NoRecord && !Fake) {
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char contents[FILENAME_MAX];
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FILE *cfile;
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umask(022);
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if (getuid() != 0)
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whinge("Not running as root - trying to record install anyway.");
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if (!PkgName) {
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whinge("No package name! Can't record package, sorry.");
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code = 1;
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goto success; /* well, partial anyway */
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}
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sprintf(LogDir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR, PkgName);
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if (Verbose)
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printf("Attempting to record package into %s..\n", LogDir);
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if (make_hierarchy(LogDir)) {
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whinge("Can't record package into '%s', you're on your own!",
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LogDir);
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bzero(LogDir, FILENAME_MAX);
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code = 1;
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goto success; /* close enough for government work */
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}
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/* Make sure pkg_info can read the entry */
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vsystem("chmod a+rx %s", LogDir);
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if (fexists(DEINSTALL_FNAME))
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move_file(".", DEINSTALL_FNAME, LogDir);
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if (fexists(REQUIRE_FNAME))
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move_file(".", REQUIRE_FNAME, LogDir);
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sprintf(contents, "%s/%s", LogDir, CONTENTS_FNAME);
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cfile = fopen(contents, "w");
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if (!cfile) {
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whinge("Can't open new contents file '%s'! Can't register pkg.", contents);
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goto success; /* can't log, but still keep pkg */
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}
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write_plist(&Plist, cfile);
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fclose(cfile);
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move_file(".", DESC_FNAME, LogDir);
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move_file(".", COMMENT_FNAME, LogDir);
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if (fexists(DISPLAY_FNAME))
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move_file(".", DISPLAY_FNAME, LogDir);
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for (p = Plist.head; p ; p = p->next) {
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if (p->type != PLIST_PKGDEP)
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continue;
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if (Verbose)
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printf("Attempting to record dependency on package `%s'\n", p->name);
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sprintf(contents, "%s/%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR,
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basename_of(p->name), REQUIRED_BY_FNAME);
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cfile = fopen(contents, "a");
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if (!cfile)
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whinge("Warning: Can't open dependency file '%s'!\n"
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"\tDependency registration is incomplete.", contents);
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else {
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fprintf(cfile, "%s\n", PkgName);
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if (fclose(cfile) == EOF)
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whinge("Cannot properly close file %s", contents);
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}
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}
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if (Verbose)
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printf("Package %s registered in %s\n", PkgName, LogDir);
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}
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if ((p = find_plist(&Plist, PLIST_DISPLAY)) != NULL) {
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FILE *fp;
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char buf[BUFSIZ];
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snprintf(buf, sizeof buf, "%s/%s", LogDir, p->name);
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fp = fopen(buf, "r");
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if (fp) {
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putc('\n', stdout);
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while (fgets(buf, sizeof(buf), fp))
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fputs(buf, stdout);
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putc('\n', stdout);
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(void) fclose(fp);
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} else
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whinge("Cannot open %s as display file.", buf);
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}
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goto success;
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bomb:
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code = 1;
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goto success;
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fail:
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/* Nuke the whole (installed) show, XXX but don't clean directories */
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if (!Fake)
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delete_package(FALSE, FALSE, &Plist);
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success:
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/* delete the packing list contents */
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free_plist(&Plist);
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leave_playpen(Home);
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return code;
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}
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static int
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sanity_check(char *pkg)
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{
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int code = 0;
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if (!fexists(CONTENTS_FNAME)) {
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whinge("Package %s has no CONTENTS file!", pkg);
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code = 1;
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}
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else if (!fexists(COMMENT_FNAME)) {
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whinge("Package %s has no COMMENT file!", pkg);
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code = 1;
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}
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else if (!fexists(DESC_FNAME)) {
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whinge("Package %s has no DESC file!", pkg);
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code = 1;
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}
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return code;
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}
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void
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cleanup(int signo)
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{
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if (signo)
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printf("Signal %d received, cleaning up..\n", signo);
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if (Plist.head) {
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if (!Fake)
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delete_package(FALSE, FALSE, &Plist);
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free_plist(&Plist);
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}
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if (!Fake && LogDir[0])
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vsystem("%s -rf %s", REMOVE_CMD, LogDir);
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leave_playpen(Home);
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}
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