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pacman
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pacman/src/pacman/query.c

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/*
* query.c
*
* Copyright (c) 2002-2005 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 <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include <sys/stat.h>
#include <alpm.h>
/* pacman */
#include "list.h"
#include "package.h"
#include "db.h"
#include "query.h"
#include "pacman.h"
extern char *pmo_root;
extern unsigned short pmo_q_isfile;
extern unsigned short pmo_q_info;
extern unsigned short pmo_q_list;
extern unsigned short pmo_q_orphans;
extern unsigned short pmo_q_owns;
extern unsigned short pmo_q_search;
extern unsigned short pmo_group;
extern PM_DB *db_local;
static int query_fileowner(PM_DB *db, char *filename)
{
struct stat buf;
int gotcha = 0;
char rpath[PATH_MAX];
PM_LIST *lp;
if(db == NULL) {
return(0);
}
if(filename == NULL || strlen(filename) == 0) {
fprintf(stderr, "error: no file was specified for --owns\n");
return(1);
}
if(stat(filename, &buf) == -1 || S_ISDIR(buf.st_mode) || realpath(filename, rpath) == NULL) {
fprintf(stderr, "error: %s is not a file.\n", filename);
return(1);
}
for(lp = alpm_db_getpkgcache(db); lp && !gotcha; lp = alpm_list_next(lp)) {
PM_PKG *info;
char *pkgname;
PM_LIST *i;
pkgname = alpm_pkg_getinfo(alpm_list_getdata(lp), PM_PKG_NAME);
info = alpm_db_readpkg(db, pkgname);
if(info == NULL) {
fprintf(stderr, "error: package %s not found\n", pkgname);
return(1);
}
for(i = alpm_pkg_getinfo(info, PM_PKG_FILES); i && !gotcha; i = alpm_list_next(i)) {
char path[PATH_MAX];
snprintf(path, PATH_MAX, "%s%s", pmo_root, (char *)alpm_list_getdata(i));
if(!strcmp(path, rpath)) {
printf("%s is owned by %s %s\n", filename, pkgname,
(char *)alpm_pkg_getinfo(info, PM_PKG_VERSION));
gotcha = 1;
break;
}
}
}
if(!gotcha) {
fprintf(stderr, "No package owns %s\n", filename);
return(1);
}
return(0);
}
int pacman_query(list_t *targets)
{
PM_PKG *info = NULL;
list_t *targ;
char *package = NULL;
int done = 0;
if(pmo_q_search) {
for(targ = targets; targ; targ = targ->next) {
db_search(db_local, "local", targ->data);
}
return(0);
}
for(targ = targets; !done; targ = (targ ? targ->next : NULL)) {
if(targets == NULL) {
done = 1;
} else {
if(targ->next == NULL) {
done = 1;
}
package = targ->data;
}
/* looking for groups */
if(pmo_group) {
PM_LIST *lp;
if(targets == NULL) {
for(lp = alpm_db_getgrpcache(db_local); lp; lp = alpm_list_next(lp)) {
PM_GRP *grp = alpm_list_getdata(lp);
PM_LIST *i, *pkgnames;
char *grpname;
grpname = alpm_grp_getinfo(grp, PM_GRP_NAME);
pkgnames = alpm_grp_getinfo(grp, PM_GRP_PKGNAMES);
for(i = pkgnames; i; i = alpm_list_next(i)) {
MSG(NL, "%s %s\n", grpname, (char *)alpm_list_getdata(i));
}
}
} else {
PM_GRP *grp = alpm_db_readgrp(db_local, package);
if(grp) {
PM_LIST *i, *pkgnames = alpm_grp_getinfo(grp, PM_GRP_PKGNAMES);
for(i = pkgnames; i; i = alpm_list_next(i)) {
MSG(NL, "%s %s\n", package, (char *)alpm_list_getdata(i));
}
} else {
ERR(NL, "group \"%s\" was not found\n", package);
return(2);
}
}
continue;
}
/* output info for a .tar.gz package */
if(pmo_q_isfile) {
if(package == NULL) {
ERR(NL, "no package file was specified for --file\n");
return(1);
}
if(alpm_pkg_load(package, &info) == -1) {
ERR(NL, "failed to load package '%s' (%s)\n", package, alpm_strerror(pm_errno));
return(1);
}
if(pmo_q_info) {
dump_pkg_full(info, 0);
MSG(NL, "\n");
}
if(pmo_q_list) {
dump_pkg_files(info);
}
if(!pmo_q_info && !pmo_q_list) {
MSG(NL, "%s %s\n", (char *)alpm_pkg_getinfo(info, PM_PKG_NAME),
(char *)alpm_pkg_getinfo(info, PM_PKG_VERSION));
}
FREEPKG(info);
continue;
}
/* determine the owner of a file */
if(pmo_q_owns) {
return(query_fileowner(db_local, package));
}
/* find packages in the db */
if(package == NULL) {
PM_LIST *lp;
/* no target */
for(lp = alpm_db_getpkgcache(db_local); lp; lp = alpm_list_next(lp)) {
PM_PKG *tmpp = alpm_list_getdata(lp);
char *pkgname, *pkgver;
pkgname = alpm_pkg_getinfo(tmpp, PM_PKG_NAME);
pkgver = alpm_pkg_getinfo(tmpp, PM_PKG_VERSION);
if(pmo_q_list || pmo_q_orphans) {
info = alpm_db_readpkg(db_local, pkgname);
if(info == NULL) {
/* something weird happened */
ERR(NL, "package \"%s\" not found\n", pkgname);
return(1);
}
if(pmo_q_list) {
dump_pkg_files(info);
}
if(pmo_q_orphans) {
if(alpm_pkg_getinfo(info, PM_PKG_REQUIREDBY) == NULL
&& alpm_pkg_getinfo(info, PM_PKG_REASON) == PM_PKG_REASON_EXPLICIT) {
MSG(NL, "%s %s\n", pkgname, pkgver);
}
}
} else {
MSG(NL, "%s %s\n", pkgname, pkgver);
}
}
} else {
char *pkgname, *pkgver;
info = alpm_db_readpkg(db_local, package);
if(info == NULL) {
ERR(NL, "package \"%s\" not found\n", package);
return(2);
}
/* find a target */
if(pmo_q_info || pmo_q_list) {
if(pmo_q_info) {
dump_pkg_full(info, pmo_q_info);
}
if(pmo_q_list) {
dump_pkg_files(info);
}
} else if(pmo_q_orphans) {
if(alpm_pkg_getinfo(info, PM_PKG_REQUIREDBY) == NULL) {
MSG(NL, "%s %s\n", pkgname, pkgver);
}
} else {
pkgname = alpm_pkg_getinfo(info, PM_PKG_NAME);
pkgver = alpm_pkg_getinfo(info, PM_PKG_VERSION);
MSG(NL, "%s %s\n", pkgname, pkgver);
}
}
}
return(0);
}
/* vim: set ts=2 sw=2 noet: */
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