pacman/src/util/convertdb.c

144 lines
3.6 KiB
C

/*
* convertdb.c
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <limits.h>
#include <string.h>
#include <libgen.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "alpm.h"
#include "list.h"
#include "util.h"
int main(int argc, char* argv[])
{
FILE* db = NULL;
FILE* fp = NULL;
char* ptr = NULL;
char name[256];
char ver[256];
char line[PATH_MAX+1];
char topdir[PATH_MAX+1];
char path[PATH_MAX+1];
mode_t oldumask;
struct stat buf;
char dbdir[PATH_MAX];
sprintf(dbdir, "/%s", PM_DBPATH);
if(argc < 2) {
printf("converts a pacman 1.x database to a pacman 2.0 format\n");
printf("usage: %s <target_dir>\n\n", basename(argv[0]));
printf("convertdb will convert all package data from /var/lib/pacman/pacman.db\n");
printf("to a 2.0 format and place it in target_dir.\n\n");
return(0);
}
db = fopen(dbdir, "r");
if(db == NULL) {
perror(dbdir);
return(1);
}
oldumask = umask(0000);
while(fgets(name, 255, db)) {
PMList *backup = NULL;
PMList *lp;
if(!fgets(ver, 255, db)) {
perror(dbdir);
return(1);
}
_alpm_strtrim(name);
_alpm_strtrim(ver);
fprintf(stderr, "converting %s\n", name);
/* package directory */
snprintf(topdir, PATH_MAX, "%s/%s-%s", argv[1], name, ver);
mkdir(topdir, 0755);
/* DESC */
snprintf(path, PATH_MAX, "%s/desc", topdir);
if(!(fp = fopen(path, "w"))) {
perror(path);
return(1);
}
fputs("%NAME%\n", fp);
fprintf(fp, "%s\n\n", name);
fputs("%VERSION%\n", fp);
fprintf(fp, "%s\n\n", ver);
fputs("%DESC%\n\n", fp);
fclose(fp);
/* DEPENDS */
snprintf(path, PATH_MAX, "%s/depends", topdir);
if(!(fp = fopen(path, "w"))) {
perror(path);
return(1);
}
fputs("%DEPENDS%\n\n", fp);
fputs("%REQUIREDBY%\n\n", fp);
fputs("%CONFLICTS%\n\n", fp);
fclose(fp);
/* FILES */
snprintf(path, PATH_MAX, "%s/files", topdir);
if(!(fp = fopen(path, "w"))) {
perror(path);
return(1);
}
fputs("%FILES%\n", fp);
while(fgets(line, 255, db) && strcmp(_alpm_strtrim(line), "")) {
ptr = line;
/* check for backup designation and frontslashes that shouldn't be there */
if(line[0] == '*') ptr++;
if(*ptr == '/') ptr++;
if(line[0] == '*') backup = _alpm_list_add(backup, strdup(ptr));
fprintf(fp, "%s\n", ptr);
}
fprintf(fp, "\n");
fputs("%BACKUP%\n", fp);
for(lp = backup; lp; lp = lp->next) {
/* print the filename and a bad md5 hash. we just use 32 f's cuz we can't
* md5 the original file since we don't have it
*/
fprintf(fp, "%s\tffffffffffffffffffffffffffffffff\n", (char*)lp->data);
}
fputs("\n", fp);
fclose(fp);
snprintf(path, PATH_MAX, "/var/lib/pacman/scripts/%s", name);
if(!stat(path, &buf)) {
snprintf(line, PATH_MAX, "/bin/cp %s %s/install", path, topdir);
system(line);
}
_alpm_list_free(backup);
}
umask(oldumask);
return(0);
}
/* vim: set ts=2 sw=2 noet: */