1 files changed, 906 insertions, 0 deletions

diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
new file mode 100644
index 00000000..a38e91a7
--- /dev/null
+++ b/lib/libalpm/be_sync.c
@@ -0,0 +1,906 @@
+/*
+ *  be_sync.c
+ *
+ *  Copyright (c) 2006-2010 Pacman Development Team <pacman-dev@archlinux.org>
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <dirent.h>
+#include <ctype.h>
+
+/* libarchive */
+#include <archive.h>
+#include <archive_entry.h>
+
+/* libalpm */
+#include "util.h"
+#include "log.h"
+#include "alpm.h"
+#include "alpm_list.h"
+#include "package.h"
+#include "handle.h"
+#include "delta.h"
+#include "deps.h"
+#include "dload.h"
+
+
+#define LAZY_LOAD(info, errret) \
+	do { \
+		ALPM_LOG_FUNC; \
+		ASSERT(handle != NULL, return(errret)); \
+		ASSERT(pkg != NULL, return(errret)); \
+		if(pkg->origin != PKG_FROM_FILE && !(pkg->infolevel & info)) { \
+			_alpm_db_read(pkg->origin_data.db, pkg, info); \
+		} \
+	} while(0)
+
+
+/* Cache-specific accessor functions. These implementations allow for lazy
+ * loading by the files backend when a data member is actually needed
+ * rather than loading all pieces of information when the package is first
+ * initialized.
+ */
+
+const char *_sync_cache_get_filename(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->filename;
+}
+
+const char *_sync_cache_get_name(pmpkg_t *pkg)
+{
+	ASSERT(pkg != NULL, return(NULL));
+	return pkg->name;
+}
+
+static const char *_sync_cache_get_version(pmpkg_t *pkg)
+{
+	ASSERT(pkg != NULL, return(NULL));
+	return pkg->version;
+}
+
+static const char *_sync_cache_get_desc(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->desc;
+}
+
+const char *_sync_cache_get_url(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->url;
+}
+
+time_t _sync_cache_get_builddate(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, 0);
+	return pkg->builddate;
+}
+
+time_t _sync_cache_get_installdate(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, 0);
+	return pkg->installdate;
+}
+
+const char *_sync_cache_get_packager(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->packager;
+}
+
+const char *_sync_cache_get_md5sum(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->md5sum;
+}
+
+const char *_sync_cache_get_arch(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->arch;
+}
+
+off_t _sync_cache_get_size(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, -1);
+	return pkg->size;
+}
+
+off_t _sync_cache_get_isize(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, -1);
+	return pkg->isize;
+}
+
+pmpkgreason_t _sync_cache_get_reason(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, -1);
+	return pkg->reason;
+}
+
+alpm_list_t *_sync_cache_get_licenses(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->licenses;
+}
+
+alpm_list_t *_sync_cache_get_groups(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->groups;
+}
+
+int _sync_cache_has_force(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, -1);
+	return pkg->force;
+}
+
+alpm_list_t *_sync_cache_get_depends(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DEPENDS, NULL);
+	return pkg->depends;
+}
+
+alpm_list_t *_sync_cache_get_optdepends(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DEPENDS, NULL);
+	return pkg->optdepends;
+}
+
+alpm_list_t *_sync_cache_get_conflicts(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DEPENDS, NULL);
+	return pkg->conflicts;
+}
+
+alpm_list_t *_sync_cache_get_provides(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DEPENDS, NULL);
+	return pkg->provides;
+}
+
+alpm_list_t *_sync_cache_get_replaces(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DESC, NULL);
+	return pkg->replaces;
+}
+
+alpm_list_t *_sync_cache_get_deltas(pmpkg_t *pkg)
+{
+	LAZY_LOAD(INFRQ_DELTAS, NULL);
+	return pkg->deltas;
+}
+
+alpm_list_t *_sync_cache_get_files(pmpkg_t *pkg)
+{
+	ALPM_LOG_FUNC;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(pkg != NULL, return(NULL));
+
+	if(pkg->origin == PKG_FROM_LOCALDB
+		 && !(pkg->infolevel & INFRQ_FILES)) {
+		_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
+	}
+	return pkg->files;
+}
+
+alpm_list_t *_sync_cache_get_backup(pmpkg_t *pkg)
+{
+	ALPM_LOG_FUNC;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, return(NULL));
+	ASSERT(pkg != NULL, return(NULL));
+
+	if(pkg->origin == PKG_FROM_LOCALDB
+		 && !(pkg->infolevel & INFRQ_FILES)) {
+		_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
+	}
+	return pkg->backup;
+}
+
+/** The sync database operations struct. Get package fields through
+ * lazy accessor methods that handle any backend loading and caching
+ * logic.
+ */
+static struct pkg_operations sync_pkg_ops = {
+	.get_filename    = _sync_cache_get_filename,
+	.get_name        = _sync_cache_get_name,
+	.get_version     = _sync_cache_get_version,
+	.get_desc        = _sync_cache_get_desc,
+	.get_url         = _sync_cache_get_url,
+	.get_builddate   = _sync_cache_get_builddate,
+	.get_installdate = _sync_cache_get_installdate,
+	.get_packager    = _sync_cache_get_packager,
+	.get_md5sum      = _sync_cache_get_md5sum,
+	.get_arch        = _sync_cache_get_arch,
+	.get_size        = _sync_cache_get_size,
+	.get_isize       = _sync_cache_get_isize,
+	.get_reason      = _sync_cache_get_reason,
+	.has_force       = _sync_cache_has_force,
+	.get_licenses    = _sync_cache_get_licenses,
+	.get_groups      = _sync_cache_get_groups,
+	.get_depends     = _sync_cache_get_depends,
+	.get_optdepends  = _sync_cache_get_optdepends,
+	.get_conflicts   = _sync_cache_get_conflicts,
+	.get_provides    = _sync_cache_get_provides,
+	.get_replaces    = _sync_cache_get_replaces,
+	.get_deltas      = _sync_cache_get_deltas,
+	.get_files       = _sync_cache_get_files,
+	.get_backup      = _sync_cache_get_backup,
+};
+
+pmdb_t *_alpm_db_register_sync(const char *treename)
+{
+	pmdb_t *db;
+	alpm_list_t *i;
+
+	ALPM_LOG_FUNC;
+
+	for(i = handle->dbs_sync; i; i = i->next) {
+		pmdb_t *sdb = i->data;
+		if(strcmp(treename, sdb->treename) == 0) {
+			_alpm_log(PM_LOG_DEBUG, "attempt to re-register the '%s' database, using existing\n", sdb->treename);
+			return sdb;
+		}
+	}
+
+	_alpm_log(PM_LOG_DEBUG, "registering sync database '%s'\n", treename);
+
+	db = _alpm_db_new(treename, 0);
+	db->ops = &default_db_ops;
+	if(db == NULL) {
+		RET_ERR(PM_ERR_DB_CREATE, NULL);
+	}
+
+	handle->dbs_sync = alpm_list_add(handle->dbs_sync, db);
+	return(db);
+}
+
+/* create list of directories in db */
+static int dirlist_from_tar(const char *archive, alpm_list_t **dirlist)
+{
+	struct archive *_archive;
+	struct archive_entry *entry;
+
+	if((_archive = archive_read_new()) == NULL)
+		RET_ERR(PM_ERR_LIBARCHIVE, -1);
+
+	archive_read_support_compression_all(_archive);
+	archive_read_support_format_all(_archive);
+
+	if(archive_read_open_filename(_archive, archive,
+				ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) {
+		_alpm_log(PM_LOG_ERROR, _("could not open %s: %s\n"), archive,
+				archive_error_string(_archive));
+		RET_ERR(PM_ERR_PKG_OPEN, -1);
+	}
+
+	while(archive_read_next_header(_archive, &entry) == ARCHIVE_OK) {
+		const struct stat *st;
+		const char *entryname; /* the name of the file in the archive */
+
+		st = archive_entry_stat(entry);
+		entryname = archive_entry_pathname(entry);
+
+		if(S_ISDIR(st->st_mode)) {
+			char *name = strdup(entryname);
+			*dirlist = alpm_list_add(*dirlist, name);
+		}
+	}
+	archive_read_finish(_archive);
+
+	*dirlist = alpm_list_msort(*dirlist, alpm_list_count(*dirlist), _alpm_str_cmp);
+	return(0);
+}
+
+static int is_dir(const char *path, struct dirent *entry)
+{
+#ifdef DT_DIR
+	return(entry->d_type == DT_DIR);
+#else
+	char buffer[PATH_MAX];
+	snprintf(buffer, PATH_MAX, "%s/%s", path, entry->d_name);
+
+	struct stat sbuf;
+	if (!stat(buffer, &sbuf)) {
+		return(S_ISDIR(sbuf.st_mode));
+	}
+
+	return(0);
+#endif
+}
+
+/* create list of directories in db */
+static int dirlist_from_fs(const char *syncdbpath, alpm_list_t **dirlist)
+{
+	DIR *dbdir;
+	struct dirent *ent = NULL;
+
+	dbdir = opendir(syncdbpath);
+	if (dbdir != NULL) {
+		while((ent = readdir(dbdir)) != NULL) {
+			char *name = ent->d_name;
+			size_t len;
+			char *entry;
+
+			if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
+				continue;
+			}
+
+			if(!is_dir(syncdbpath, ent)) {
+				continue;
+			}
+
+			len = strlen(name);
+			MALLOC(entry, len + 2, RET_ERR(PM_ERR_MEMORY, -1));
+			strcpy(entry, name);
+			entry[len] = '/';
+			entry[len+1] = '\0';
+			*dirlist = alpm_list_add(*dirlist, entry);
+		}
+		closedir(dbdir);
+	}
+
+	*dirlist = alpm_list_msort(*dirlist, alpm_list_count(*dirlist), _alpm_str_cmp);
+	return(0);
+}
+
+/* remove old directories from dbdir */
+static int remove_olddir(const char *syncdbpath, alpm_list_t *dirlist)
+{
+	alpm_list_t *i;
+	for (i = dirlist; i; i = i->next) {
+		const char *name = i->data;
+		char *dbdir;
+		size_t len = strlen(syncdbpath) + strlen(name) + 2;
+		MALLOC(dbdir, len, RET_ERR(PM_ERR_MEMORY, -1));
+		snprintf(dbdir, len, "%s%s", syncdbpath, name);
+		_alpm_log(PM_LOG_DEBUG, "removing: %s\n", dbdir);
+		if(_alpm_rmrf(dbdir) != 0) {
+			_alpm_log(PM_LOG_ERROR, _("could not remove database directory %s\n"), dbdir);
+			free(dbdir);
+			RET_ERR(PM_ERR_DB_REMOVE, -1);
+		}
+		free(dbdir);
+	}
+	return(0);
+}
+
+/** Update a package database
+ *
+ * An update of the package database \a db will be attempted. Unless
+ * \a force is true, the update will only be performed if the remote
+ * database was modified since the last update.
+ *
+ * A transaction is necessary for this operation, in order to obtain a
+ * database lock. During this transaction the front-end will be informed
+ * of the download progress of the database via the download callback.
+ *
+ * Example:
+ * @code
+ * pmdb_t *db;
+ * int result;
+ * db = alpm_list_getdata(alpm_option_get_syncdbs());
+ * if(alpm_trans_init(0, NULL, NULL, NULL) == 0) {
+ *     result = alpm_db_update(0, db);
+ *     alpm_trans_release();
+ *
+ *     if(result > 0) {
+ *	       printf("Unable to update database: %s\n", alpm_strerrorlast());
+ *     } else if(result < 0) {
+ *         printf("Database already up to date\n");
+ *     } else {
+ *         printf("Database updated\n");
+ *     }
+ * }
+ * @endcode
+ *
+ * @ingroup alpm_databases
+ * @note After a successful update, the \link alpm_db_get_pkgcache()
+ * package cache \endlink will be invalidated
+ * @param force if true, then forces the update, otherwise update only in case
+ * the database isn't up to date
+ * @param db pointer to the package database to update
+ * @return 0 on success, > 0 on error (pm_errno is set accordingly), < 0 if up
+ * to date
+ */
+int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
+{
+	char *dbfile, *dbfilepath, *syncpath;
+	const char *dbpath, *syncdbpath;
+	alpm_list_t *newdirlist = NULL, *olddirlist = NULL;
+	alpm_list_t *onlynew = NULL, *onlyold = NULL;
+	size_t len;
+	int ret;
+
+	ALPM_LOG_FUNC;
+
+	/* Sanity checks */
+	ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
+	ASSERT(db != NULL && db != handle->db_local, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+	/* Verify we are in a transaction.  This is done _mainly_ because we need a DB
+	 * lock - if we update without a db lock, we may kludge some other pacman
+	 * process that _has_ a lock.
+	 */
+	ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
+	ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
+
+	if(!alpm_list_find_ptr(handle->dbs_sync, db)) {
+		RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
+	}
+
+	len = strlen(db->treename) + 4;
+	MALLOC(dbfile, len, RET_ERR(PM_ERR_MEMORY, -1));
+	sprintf(dbfile, "%s.db", db->treename);
+
+	dbpath = alpm_option_get_dbpath();
+	len = strlen(dbpath) + 6;
+	MALLOC(syncpath, len, RET_ERR(PM_ERR_MEMORY, -1));
+	sprintf(syncpath, "%s%s", dbpath, "sync/");
+
+	ret = _alpm_download_single_file(dbfile, db->servers, syncpath, force);
+	free(dbfile);
+	free(syncpath);
+
+	if(ret == 1) {
+		/* files match, do nothing */
+		pm_errno = 0;
+		return(1);
+	} else if(ret == -1) {
+		/* pm_errno was set by the download code */
+		_alpm_log(PM_LOG_DEBUG, "failed to sync db: %s\n", alpm_strerrorlast());
+		return(-1);
+	}
+
+	syncdbpath = _alpm_db_path(db);
+
+	/* form the path to the db location */
+	len = strlen(dbpath) + strlen(db->treename) + 9;
+	MALLOC(dbfilepath, len, RET_ERR(PM_ERR_MEMORY, -1));
+	sprintf(dbfilepath, "%ssync/%s.db", dbpath, db->treename);
+
+	if(force) {
+		/* if forcing update, remove the old dir and extract the db */
+		if(_alpm_rmrf(syncdbpath) != 0) {
+			_alpm_log(PM_LOG_ERROR, _("could not remove database %s\n"), db->treename);
+			RET_ERR(PM_ERR_DB_REMOVE, -1);
+		} else {
+			_alpm_log(PM_LOG_DEBUG, "database dir %s removed\n", _alpm_db_path(db));
+		}
+	} else {
+		/* if not forcing, only remove and extract what is necessary */
+		ret = dirlist_from_tar(dbfilepath, &newdirlist);
+		if(ret) {
+			goto cleanup;
+		}
+		ret = dirlist_from_fs(syncdbpath, &olddirlist);
+		if(ret) {
+			goto cleanup;
+		}
+
+		alpm_list_diff_sorted(olddirlist, newdirlist, _alpm_str_cmp, &onlyold, &onlynew);
+
+		ret = remove_olddir(syncdbpath, onlyold);
+		if(ret) {
+			goto cleanup;
+		}
+	}
+
+	/* Cache needs to be rebuilt */
+	_alpm_db_free_pkgcache(db);
+
+	checkdbdir(db);
+	ret = _alpm_unpack(dbfilepath, syncdbpath, onlynew, 0);
+
+cleanup:
+	FREELIST(newdirlist);
+	FREELIST(olddirlist);
+	alpm_list_free(onlynew);
+	alpm_list_free(onlyold);
+
+	free(dbfilepath);
+
+	if(ret) {
+		RET_ERR(PM_ERR_SYSTEM, -1);
+	}
+
+	return(0);
+}
+
+
+int _alpm_sync_db_populate(pmdb_t *db)
+{
+	int count = 0;
+	struct dirent *ent = NULL;
+	const char *dbpath;
+	DIR *dbdir;
+
+	ALPM_LOG_FUNC;
+
+	ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
+
+	dbpath = _alpm_db_path(db);
+	dbdir = opendir(dbpath);
+	if(dbdir == NULL) {
+		return(0);
+	}
+	while((ent = readdir(dbdir)) != NULL) {
+		const char *name = ent->d_name;
+		pmpkg_t *pkg;
+
+		if(strcmp(name, ".") == 0 || strcmp(name, "..") == 0) {
+			continue;
+		}
+		if(!is_dir(dbpath, ent)) {
+			continue;
+		}
+
+		pkg = _alpm_pkg_new();
+		if(pkg == NULL) {
+			closedir(dbdir);
+			return(-1);
+		}
+		/* split the db entry name */
+		if(splitname(name, pkg) != 0) {
+			_alpm_log(PM_LOG_ERROR, _("invalid name for database entry '%s'\n"),
+					name);
+			_alpm_pkg_free(pkg);
+			continue;
+		}
+
+		/* duplicated database entries are not allowed */
+		if(_alpm_pkg_find(db->pkgcache, pkg->name)) {
+			_alpm_log(PM_LOG_ERROR, _("duplicated database entry '%s'\n"), pkg->name);
+			_alpm_pkg_free(pkg);
+			continue;
+		}
+
+		/* explicitly read with only 'BASE' data, accessors will handle the rest */
+		if(_alpm_db_read(db, pkg, INFRQ_BASE) == -1) {
+			_alpm_log(PM_LOG_ERROR, _("corrupted database entry '%s'\n"), name);
+			_alpm_pkg_free(pkg);
+			continue;
+		}
+
+		pkg->origin = PKG_FROM_SYNCDB;
+		pkg->ops = &sync_pkg_ops;
+
+		pkg->origin_data.db = db;
+		/* add to the collection */
+		_alpm_log(PM_LOG_FUNCTION, "adding '%s' to package cache for db '%s'\n",
+				pkg->name, db->treename);
+		db->pkgcache = alpm_list_add(db->pkgcache, pkg);
+		count++;
+	}
+
+	closedir(dbdir);
+	db->pkgcache = alpm_list_msort(db->pkgcache, count, _alpm_pkg_cmp);
+	return(count);
+}
+
+int _alpm_sync_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
+{
+	FILE *fp = NULL;
+	char path[PATH_MAX];
+	char line[1024];
+	char *pkgpath = NULL;
+
+	ALPM_LOG_FUNC;
+
+	if(db == NULL) {
+		RET_ERR(PM_ERR_DB_NULL, -1);
+	}
+
+	if(info == NULL || info->name == NULL || info->version == NULL) {
+		_alpm_log(PM_LOG_DEBUG, "invalid package entry provided to _alpm_db_read, skipping\n");
+		return(-1);
+	}
+
+	if(info->origin == PKG_FROM_FILE) {
+		_alpm_log(PM_LOG_DEBUG, "request to read database info for a file-based package '%s', skipping...\n", info->name);
+		return(-1);
+	}
+
+	/* bitmask logic here:
+	 * infolevel: 00001111
+	 * inforeq:   00010100
+	 * & result:  00000100
+	 * == to inforeq? nope, we need to load more info. */
+	if((info->infolevel & inforeq) == inforeq) {
+		/* already loaded this info, do nothing */
+		return(0);
+	}
+	_alpm_log(PM_LOG_FUNCTION, "loading package data for %s : level=0x%x\n",
+			info->name, inforeq);
+
+	/* clear out 'line', to be certain - and to make valgrind happy */
+	memset(line, 0, sizeof(line));
+
+	pkgpath = get_pkgpath(db, info);
+
+	if(access(pkgpath, F_OK)) {
+		/* directory doesn't exist or can't be opened */
+		_alpm_log(PM_LOG_DEBUG, "cannot find '%s-%s' in db '%s'\n",
+				info->name, info->version, db->treename);
+		goto error;
+	}
+
+	/* DESC */
+	if(inforeq & INFRQ_DESC) {
+		snprintf(path, PATH_MAX, "%sdesc", pkgpath);
+		if((fp = fopen(path, "r")) == NULL) {
+			_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
+			goto error;
+		}
+		while(!feof(fp)) {
+			if(fgets(line, sizeof(line), fp) == NULL) {
+				break;
+			}
+			_alpm_strtrim(line);
+			if(strcmp(line, "%NAME%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				if(strcmp(_alpm_strtrim(line), info->name) != 0) {
+					_alpm_log(PM_LOG_ERROR, _("%s database is inconsistent: name "
+								"mismatch on package %s\n"), db->treename, info->name);
+				}
+			} else if(strcmp(line, "%VERSION%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				if(strcmp(_alpm_strtrim(line), info->version) != 0) {
+					_alpm_log(PM_LOG_ERROR, _("%s database is inconsistent: version "
+								"mismatch on package %s\n"), db->treename, info->name);
+				}
+			} else if(strcmp(line, "%FILENAME%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				STRDUP(info->filename, _alpm_strtrim(line), goto error);
+			} else if(strcmp(line, "%DESC%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				STRDUP(info->desc, _alpm_strtrim(line), goto error);
+			} else if(strcmp(line, "%GROUPS%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->groups = alpm_list_add(info->groups, linedup);
+				}
+			} else if(strcmp(line, "%URL%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				STRDUP(info->url, _alpm_strtrim(line), goto error);
+			} else if(strcmp(line, "%LICENSE%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->licenses = alpm_list_add(info->licenses, linedup);
+				}
+			} else if(strcmp(line, "%ARCH%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				STRDUP(info->arch, _alpm_strtrim(line), goto error);
+			} else if(strcmp(line, "%BUILDDATE%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				_alpm_strtrim(line);
+
+				char first = tolower((unsigned char)line[0]);
+				if(first > 'a' && first < 'z') {
+					struct tm tmp_tm = {0}; /* initialize to null in case of failure */
+					setlocale(LC_TIME, "C");
+					strptime(line, "%a %b %e %H:%M:%S %Y", &tmp_tm);
+					info->builddate = mktime(&tmp_tm);
+					setlocale(LC_TIME, "");
+				} else {
+					info->builddate = atol(line);
+				}
+			} else if(strcmp(line, "%INSTALLDATE%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				_alpm_strtrim(line);
+
+				char first = tolower((unsigned char)line[0]);
+				if(first > 'a' && first < 'z') {
+					struct tm tmp_tm = {0}; /* initialize to null in case of failure */
+					setlocale(LC_TIME, "C");
+					strptime(line, "%a %b %e %H:%M:%S %Y", &tmp_tm);
+					info->installdate = mktime(&tmp_tm);
+					setlocale(LC_TIME, "");
+				} else {
+					info->installdate = atol(line);
+				}
+			} else if(strcmp(line, "%PACKAGER%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				STRDUP(info->packager, _alpm_strtrim(line), goto error);
+			} else if(strcmp(line, "%REASON%") == 0) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				info->reason = (pmpkgreason_t)atol(_alpm_strtrim(line));
+			} else if(strcmp(line, "%SIZE%") == 0 || strcmp(line, "%CSIZE%") == 0) {
+				/* NOTE: the CSIZE and SIZE fields both share the "size" field
+				 *       in the pkginfo_t struct.  This can be done b/c CSIZE
+				 *       is currently only used in sync databases, and SIZE is
+				 *       only used in local databases.
+				 */
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				info->size = atol(_alpm_strtrim(line));
+				/* also store this value to isize if isize is unset */
+				if(info->isize == 0) {
+					info->isize = info->size;
+				}
+			} else if(strcmp(line, "%ISIZE%") == 0) {
+				/* ISIZE (installed size) tag only appears in sync repositories,
+				 * not the local one. */
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				info->isize = atol(_alpm_strtrim(line));
+			} else if(strcmp(line, "%MD5SUM%") == 0) {
+				/* MD5SUM tag only appears in sync repositories,
+				 * not the local one. */
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					goto error;
+				}
+				STRDUP(info->md5sum, _alpm_strtrim(line), goto error);
+			} else if(strcmp(line, "%REPLACES%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->replaces = alpm_list_add(info->replaces, linedup);
+				}
+			} else if(strcmp(line, "%FORCE%") == 0) {
+				info->force = 1;
+			}
+		}
+		fclose(fp);
+		fp = NULL;
+	}
+
+	/* FILES */
+	if(inforeq & INFRQ_FILES) {
+		snprintf(path, PATH_MAX, "%sfiles", pkgpath);
+		if((fp = fopen(path, "r")) == NULL) {
+			_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
+			goto error;
+		}
+		while(fgets(line, sizeof(line), fp)) {
+			_alpm_strtrim(line);
+			if(strcmp(line, "%FILES%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->files = alpm_list_add(info->files, linedup);
+				}
+			} else if(strcmp(line, "%BACKUP%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->backup = alpm_list_add(info->backup, linedup);
+				}
+			}
+		}
+		fclose(fp);
+		fp = NULL;
+	}
+
+	/* DEPENDS */
+	if(inforeq & INFRQ_DEPENDS) {
+		snprintf(path, PATH_MAX, "%sdepends", pkgpath);
+		if((fp = fopen(path, "r")) == NULL) {
+			_alpm_log(PM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
+			goto error;
+		}
+		while(!feof(fp)) {
+			if(fgets(line, sizeof(line), fp) == NULL) {
+				break;
+			}
+			_alpm_strtrim(line);
+			if(strcmp(line, "%DEPENDS%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					pmdepend_t *dep = _alpm_splitdep(_alpm_strtrim(line));
+					info->depends = alpm_list_add(info->depends, dep);
+				}
+			} else if(strcmp(line, "%OPTDEPENDS%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->optdepends = alpm_list_add(info->optdepends, linedup);
+				}
+			} else if(strcmp(line, "%CONFLICTS%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->conflicts = alpm_list_add(info->conflicts, linedup);
+				}
+			} else if(strcmp(line, "%PROVIDES%") == 0) {
+				while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+					char *linedup;
+					STRDUP(linedup, _alpm_strtrim(line), goto error);
+					info->provides = alpm_list_add(info->provides, linedup);
+				}
+			}
+		}
+		fclose(fp);
+		fp = NULL;
+	}
+
+	/* DELTAS */
+	if(inforeq & INFRQ_DELTAS) {
+		snprintf(path, PATH_MAX, "%sdeltas", pkgpath);
+		if((fp = fopen(path, "r"))) {
+			while(!feof(fp)) {
+				if(fgets(line, sizeof(line), fp) == NULL) {
+					break;
+				}
+				_alpm_strtrim(line);
+				if(strcmp(line, "%DELTAS%") == 0) {
+					while(fgets(line, sizeof(line), fp) && strlen(_alpm_strtrim(line))) {
+						pmdelta_t *delta = _alpm_delta_parse(line);
+						if(delta) {
+							info->deltas = alpm_list_add(info->deltas, delta);
+						}
+					}
+				}
+			}
+			fclose(fp);
+			fp = NULL;
+		}
+	}
+
+	/* INSTALL */
+	if(inforeq & INFRQ_SCRIPTLET) {
+		snprintf(path, PATH_MAX, "%sinstall", pkgpath);
+		if(access(path, F_OK) == 0) {
+			info->scriptlet = 1;
+		}
+	}
+
+	/* internal */
+	info->infolevel |= inforeq;
+
+	free(pkgpath);
+	return(0);
+
+error:
+	free(pkgpath);
+	if(fp) {
+		fclose(fp);
+	}
+	return(-1);
+}
+
+/* vim: set ts=2 sw=2 noet: */