libpakfire: Use internal access function to check if a file exists

[pakfire.git] / src / libpakfire / package.c

/*#############################################################################
#                                                                             #
# Pakfire - The IPFire package management system                              #
# Copyright (C) 2013 Pakfire development team                                 #
#                                                                             #
# 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 3 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 <assert.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include <solv/evr.h>
#include <solv/pool.h>
#include <solv/pooltypes.h>
#include <solv/repo.h>
#include <solv/solvable.h>

#include <pakfire/archive.h>
#include <pakfire/constants.h>
#include <pakfire/file.h>
#include <pakfire/i18n.h>
#include <pakfire/logging.h>
#include <pakfire/package.h>
#include <pakfire/pakfire.h>
#include <pakfire/private.h>
#include <pakfire/relation.h>
#include <pakfire/relationlist.h>
#include <pakfire/repo.h>
#include <pakfire/util.h>

struct _PakfirePackage {
        Pakfire pakfire;
        Id id;
        PakfireFile filelist;
        PakfireArchive archive;
        int nrefs;
};

static Pool* pakfire_package_get_solv_pool(PakfirePackage pkg) {
        return pakfire_get_solv_pool(pkg->pakfire);
}

static void pakfire_package_add_self_provides(Pakfire pakfire, PakfirePackage pkg, const char* name, const char* evr) {
        PakfireRelation relation = pakfire_relation_create(pakfire, name, PAKFIRE_EQ, evr);

        pakfire_package_add_provides(pkg, relation);

        pakfire_relation_unref(relation);
}

PAKFIRE_EXPORT PakfirePackage pakfire_package_create(Pakfire pakfire, Id id) {
        PakfirePackage pkg = pakfire_calloc(1, sizeof(*pkg));
        if (pkg) {
                DEBUG("Allocated Package at %p\n", pkg);

                pkg->pakfire = pakfire_ref(pakfire);
                pkg->id = id;

                // Initialize reference counter
                pkg->nrefs = 1;
        }

        return pkg;
}

PAKFIRE_EXPORT PakfirePackage pakfire_package_create2(Pakfire pakfire, PakfireRepo repo, const char* name, const char* evr, const char* arch) {
        PakfirePackage pkg = pakfire_repo_add_package(repo);

        pakfire_package_set_name(pkg, name);
        pakfire_package_set_evr(pkg, evr);
        pakfire_package_set_arch(pkg, arch);

        pakfire_package_add_self_provides(pakfire, pkg, name, evr);

        return pkg;
}

static void pakfire_package_free(PakfirePackage pkg) {
        pakfire_archive_unref(pkg->archive);
        pakfire_package_filelist_remove(pkg);
        pakfire_unref(pkg->pakfire);
        pakfire_free(pkg);

        DEBUG("Released Package at %p\n", pkg);
}

PAKFIRE_EXPORT PakfirePackage pakfire_package_ref(PakfirePackage pkg) {
        pkg->nrefs++;

        return pkg;
}

PAKFIRE_EXPORT PakfirePackage pakfire_package_unref(PakfirePackage pkg) {
        if (!pkg)
                return NULL;

        if (--pkg->nrefs > 0)
                return pkg;

        pakfire_package_free(pkg);
        return NULL;
}

static Solvable* get_solvable(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);

        return pool_id2solvable(pool, pkg->id);
}

static Repo* pakfire_package_solv_repo(PakfirePackage pkg) {
        Solvable* s = get_solvable(pkg);

        return s->repo;
}

static Id pakfire_package_get_handle(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        return s - pool->solvables;
}

PAKFIRE_EXPORT int pakfire_package_identical(PakfirePackage pkg1, PakfirePackage pkg2) {
        return pkg1->id == pkg2->id;
}

PAKFIRE_EXPORT int pakfire_package_cmp(PakfirePackage pkg1, PakfirePackage pkg2) {
        Pool* pool = pakfire_package_get_solv_pool(pkg1);

        Solvable* s1 = get_solvable(pkg1);
        Solvable* s2 = get_solvable(pkg2);

        // Check names
        const char* str1 = pool_id2str(pool, s1->name);
        const char* str2 = pool_id2str(pool, s2->name);

        int ret = strcmp(str1, str2);
        if (ret)
                return ret;

        // Check the version string
        ret = pakfire_package_evr_cmp(pkg1, pkg2);
        if (ret)
                return ret;

        // Check repositories
        PakfireRepo repo1 = pakfire_package_get_repo(pkg1);
        PakfireRepo repo2 = pakfire_package_get_repo(pkg2);

        if (repo1 && repo2) {
                ret = pakfire_repo_cmp(repo1, repo2);
        }

        pakfire_repo_unref(repo1);
        pakfire_repo_unref(repo2);

        if (ret)
                return ret;

        // Check package architectures
        str1 = pool_id2str(pool, s1->arch);
        str2 = pool_id2str(pool, s2->arch);

        return strcmp(str1, str2);
}

PAKFIRE_EXPORT int pakfire_package_evr_cmp(PakfirePackage pkg1, PakfirePackage pkg2) {
        Pool* pool = pakfire_package_get_solv_pool(pkg1);

        Solvable* s1 = get_solvable(pkg1);
        Solvable* s2 = get_solvable(pkg2);

        return pool_evrcmp(pool, s1->evr, s2->evr, EVRCMP_COMPARE);
}

PAKFIRE_EXPORT Id pakfire_package_id(PakfirePackage pkg) {
        return pkg->id;
}

PAKFIRE_EXPORT char* pakfire_package_get_nevra(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        const char* nevra = pool_solvable2str(pool, s);

        return pakfire_strdup(nevra);
}

PAKFIRE_EXPORT const char* pakfire_package_get_name(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        return pool_id2str(pool, s->name);
}

PAKFIRE_EXPORT void pakfire_package_set_name(PakfirePackage pkg, const char* name) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        s->name = pool_str2id(pool, name, 1);
}

PAKFIRE_EXPORT const char* pakfire_package_get_evr(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        return pool_id2str(pool, s->evr);
}

PAKFIRE_EXPORT void pakfire_package_set_evr(PakfirePackage pkg, const char* evr) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        s->evr = pool_str2id(pool, evr, 1);
}

static void split_evr(Pool* pool, const char* evr_c, char** epoch, char** version, char** release) {
    char *e, *v, *r;

        char* evr = pool_alloctmpspace(pool, strlen(evr_c) + 1);
        strcpy(evr, evr_c);

    for (e = evr + 1; *e != ':' && *e != '-'; ++e)
        ;

    if (*e == '-') {
                *e = '\0';
                v = evr;
                r = e + 1;
                e = NULL;
        } else { /* *e == ':' */
                *e = '\0';
                v = e + 1;
                e = evr;
                for (r = v + 1; *r != '-'; ++r)
                        ;
                *r = '\0';
                r++;
        }

    *epoch = e;
    *version = v;
    *release = r;
}

PAKFIRE_EXPORT unsigned long pakfire_package_get_epoch(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        char *e, *v, *r, *endptr;

    unsigned long epoch = 0;

        split_evr(pool, pakfire_package_get_evr(pkg), &e, &v, &r);

        if (e) {
                long int converted = strtol(e, &endptr, 10);
                assert(converted > 0);
                assert(*endptr == '\0');
                epoch = converted;
        }

        return epoch;
}

PAKFIRE_EXPORT const char* pakfire_package_get_version(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        char *e, *v, *r;

        split_evr(pool, pakfire_package_get_evr(pkg), &e, &v, &r);
        return pakfire_strdup(v);
}

PAKFIRE_EXPORT const char* pakfire_package_get_release(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        char *e, *v, *r;

        split_evr(pool, pakfire_package_get_evr(pkg), &e, &v, &r);
        return pakfire_strdup(r);
}

PAKFIRE_EXPORT const char* pakfire_package_get_arch(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        return pool_id2str(pool, s->arch);
}

PAKFIRE_EXPORT void pakfire_package_set_arch(PakfirePackage pkg, const char* arch) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        s->arch = pool_str2id(pool, arch, 1);
}

static void pakfire_package_internalize_repo(PakfirePackage pkg) {
        PakfireRepo repo = pakfire_package_get_repo(pkg);
        if (repo) {
                pakfire_repo_internalize(repo);
                pakfire_repo_unref(repo);
        }
}

static const char* pakfire_package_get_string(PakfirePackage pkg, int key) {
        pakfire_package_internalize_repo(pkg);

        Solvable* s = get_solvable(pkg);
        const char* str = solvable_lookup_str(s, key);

        if (!str)
                return NULL;

        if (strlen(str) == 0)
                return NULL;

        return str;
}

static void pakfire_package_set_string(PakfirePackage pkg, int key, const char* value) {
        Solvable* s = get_solvable(pkg);

        if (!value)
                value = "";

        solvable_set_str(s, key, value);
}

PAKFIRE_EXPORT const char* pakfire_package_get_uuid(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_PKGID);
}

PAKFIRE_EXPORT void pakfire_package_set_uuid(PakfirePackage pkg, const char* uuid) {
        pakfire_package_set_string(pkg, SOLVABLE_PKGID, uuid);
}

PAKFIRE_EXPORT const char* pakfire_package_get_checksum(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_CHECKSUM);
}

PAKFIRE_EXPORT void pakfire_package_set_checksum(PakfirePackage pkg, const char* checksum) {
        pakfire_package_set_string(pkg, SOLVABLE_CHECKSUM, checksum);
}

PAKFIRE_EXPORT const char* pakfire_package_get_summary(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_SUMMARY);
}

PAKFIRE_EXPORT void pakfire_package_set_summary(PakfirePackage pkg, const char* summary) {
        pakfire_package_set_string(pkg, SOLVABLE_SUMMARY, summary);
}

PAKFIRE_EXPORT const char* pakfire_package_get_description(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_DESCRIPTION);
}

PAKFIRE_EXPORT void pakfire_package_set_description(PakfirePackage pkg, const char* description) {
        pakfire_package_set_string(pkg, SOLVABLE_DESCRIPTION, description);
}

PAKFIRE_EXPORT const char* pakfire_package_get_license(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_LICENSE);
}

PAKFIRE_EXPORT void pakfire_package_set_license(PakfirePackage pkg, const char* license) {
        pakfire_package_set_string(pkg, SOLVABLE_LICENSE, license);
}

PAKFIRE_EXPORT const char* pakfire_package_get_url(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_URL);
}

PAKFIRE_EXPORT void pakfire_package_set_url(PakfirePackage pkg, const char* url) {
        pakfire_package_set_string(pkg, SOLVABLE_URL, url);
}

#warning the groups functions need to be refactored

PAKFIRE_EXPORT const char** pakfire_package_get_groups(PakfirePackage pkg) {
        const char* groups = pakfire_package_get_string(pkg, SOLVABLE_GROUP);

        const char** grouplist = NULL;
        char* group = strtok((char *)groups, " ");

        int i = 0;
        while (group != NULL) {
                grouplist = realloc(grouplist, sizeof(char *) * ++i);
                assert(grouplist);
                grouplist[i - 1] = group;

                group = strtok(NULL, " ");
        }
        grouplist[i] = NULL;

        return grouplist;
}

PAKFIRE_EXPORT void pakfire_package_set_groups(PakfirePackage pkg, const char** grouplist) {
        char groups[2048] = "";

        if (grouplist) {
                const char* group;
                while ((group = *grouplist++) != NULL) {
                        if (groups[0])
                                strcat(groups, " ");

                        strcat(groups, group);
                }
                groups[sizeof(groups) - 1] = '\0';
        } else
                groups[0] = '\0';

        pakfire_package_set_string(pkg, SOLVABLE_GROUP, (const char *)&groups);
}

PAKFIRE_EXPORT const char* pakfire_package_get_vendor(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_VENDOR);
}

PAKFIRE_EXPORT void pakfire_package_set_vendor(PakfirePackage pkg, const char* vendor) {
        pakfire_package_set_string(pkg, SOLVABLE_VENDOR, vendor);
}

PAKFIRE_EXPORT const char* pakfire_package_get_maintainer(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_PACKAGER);
}

PAKFIRE_EXPORT void pakfire_package_set_maintainer(PakfirePackage pkg, const char* maintainer) {
        pakfire_package_set_string(pkg, SOLVABLE_PACKAGER, maintainer);
}

PAKFIRE_EXPORT const char* pakfire_package_get_filename(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_MEDIAFILE);
}

PAKFIRE_EXPORT void pakfire_package_set_filename(PakfirePackage pkg, const char* filename) {
        pakfire_package_set_string(pkg, SOLVABLE_MEDIAFILE, filename);
}

PAKFIRE_EXPORT int pakfire_package_is_installed(PakfirePackage pkg) {
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Solvable* s = get_solvable(pkg);

        return pool->installed == s->repo;
}

static unsigned long long pakfire_package_get_num(PakfirePackage pkg, Id type) {
        pakfire_package_internalize_repo(pkg);

        Solvable* s = get_solvable(pkg);
        return solvable_lookup_num(s, type, 0);
}

static void pakfire_package_set_num(PakfirePackage pkg, Id type, unsigned long long value) {
        Solvable* s = get_solvable(pkg);

        solvable_set_num(s, type, value);
}

PAKFIRE_EXPORT unsigned long long pakfire_package_get_downloadsize(PakfirePackage pkg) {
        return pakfire_package_get_num(pkg, SOLVABLE_DOWNLOADSIZE);
}

PAKFIRE_EXPORT void pakfire_package_set_downloadsize(PakfirePackage pkg, unsigned long long downloadsize) {
        return pakfire_package_set_num(pkg, SOLVABLE_DOWNLOADSIZE, downloadsize);
}

PAKFIRE_EXPORT unsigned long long pakfire_package_get_installsize(PakfirePackage pkg) {
        return pakfire_package_get_num(pkg, SOLVABLE_INSTALLSIZE);
}

PAKFIRE_EXPORT void pakfire_package_set_installsize(PakfirePackage pkg, unsigned long long installsize) {
        return pakfire_package_set_num(pkg, SOLVABLE_INSTALLSIZE, installsize);
}

PAKFIRE_EXPORT unsigned long long pakfire_package_get_size(PakfirePackage pkg) {
        if (pakfire_package_is_installed(pkg))
                return pakfire_package_get_installsize(pkg);

        return pakfire_package_get_downloadsize(pkg);
}

PAKFIRE_EXPORT const char* pakfire_package_get_buildhost(PakfirePackage pkg) {
        return pakfire_package_get_string(pkg, SOLVABLE_BUILDHOST);
}

PAKFIRE_EXPORT void pakfire_package_set_buildhost(PakfirePackage pkg, const char* buildhost) {
        pakfire_package_set_string(pkg, SOLVABLE_BUILDHOST, buildhost);
}

PAKFIRE_EXPORT unsigned long long pakfire_package_get_buildtime(PakfirePackage pkg) {
        return pakfire_package_get_num(pkg, SOLVABLE_BUILDTIME);
}

PAKFIRE_EXPORT void pakfire_package_set_buildtime(PakfirePackage pkg, unsigned long long buildtime) {
        pakfire_package_set_num(pkg, SOLVABLE_BUILDTIME, buildtime);
}

PAKFIRE_EXPORT unsigned long long pakfire_package_get_installtime(PakfirePackage pkg) {
        return pakfire_package_get_num(pkg, SOLVABLE_INSTALLTIME);
}

static PakfireRelationList pakfire_package_get_relationlist(PakfirePackage pkg, Id type) {
        Queue q;
        queue_init(&q);

        Solvable* s = get_solvable(pkg);
        solvable_lookup_idarray(s, type, &q);

        PakfireRelationList relationlist = pakfire_relationlist_from_queue(pkg->pakfire, q);
        queue_free(&q);

        return relationlist;
}

static void pakfire_package_set_relationlist(PakfirePackage pkg, Id type, PakfireRelationList relationlist) {
#if 0
        // This implemention should be the fastest, but unfortunately does not work.
        Queue q;
        pakfire_relationlist_clone_to_queue(relationlist, &q);

        Solvable* s = get_solvable(pkg);
        solvable_set_idarray(s, type, &q);

        queue_free(&q);
#endif

        Solvable* s = get_solvable(pkg);
        solvable_unset(s, type);

        int count = pakfire_relationlist_count(relationlist);
        for (int i = 0; i < count; i++) {
                PakfireRelation relation = pakfire_relationlist_get_clone(relationlist, i);
                solvable_add_idarray(s, type, pakfire_relation_get_id(relation));

                pakfire_relation_unref(relation);
        }
}

static void pakfire_package_add_relation(PakfirePackage pkg, Id type, PakfireRelation relation) {
        Solvable* s = get_solvable(pkg);

        solvable_add_idarray(s, type, pakfire_relation_get_id(relation));
}

PAKFIRE_EXPORT PakfireRelationList pakfire_package_get_provides(PakfirePackage pkg) {
        return pakfire_package_get_relationlist(pkg, SOLVABLE_PROVIDES);
}

PAKFIRE_EXPORT void pakfire_package_set_provides(PakfirePackage pkg, PakfireRelationList relationlist) {
        pakfire_package_set_relationlist(pkg, SOLVABLE_PROVIDES, relationlist);
}

PAKFIRE_EXPORT void pakfire_package_add_provides(PakfirePackage pkg, PakfireRelation relation) {
        pakfire_package_add_relation(pkg, SOLVABLE_PROVIDES, relation);
}

PAKFIRE_EXPORT PakfireRelationList pakfire_package_get_prerequires(PakfirePackage pkg) {
        #warning TODO
        return NULL;
}

PAKFIRE_EXPORT PakfireRelationList pakfire_package_get_requires(PakfirePackage pkg) {
        return pakfire_package_get_relationlist(pkg, SOLVABLE_REQUIRES);
}

PAKFIRE_EXPORT void pakfire_package_set_requires(PakfirePackage pkg, PakfireRelationList relationlist) {
        pakfire_package_set_relationlist(pkg, SOLVABLE_REQUIRES, relationlist);
}

PAKFIRE_EXPORT void pakfire_package_add_requires(PakfirePackage pkg, PakfireRelation relation) {
        pakfire_package_add_relation(pkg, SOLVABLE_REQUIRES, relation);
}

PAKFIRE_EXPORT PakfireRelationList pakfire_package_get_conflicts(PakfirePackage pkg) {
        return pakfire_package_get_relationlist(pkg, SOLVABLE_CONFLICTS);
}

PAKFIRE_EXPORT void pakfire_package_set_conflicts(PakfirePackage pkg, PakfireRelationList relationlist) {
        pakfire_package_set_relationlist(pkg, SOLVABLE_CONFLICTS, relationlist);
}

PAKFIRE_EXPORT void pakfire_package_add_conflicts(PakfirePackage pkg, PakfireRelation relation) {
        pakfire_package_add_relation(pkg, SOLVABLE_CONFLICTS, relation);
}

PAKFIRE_EXPORT PakfireRelationList pakfire_package_get_obsoletes(PakfirePackage pkg) {
        return pakfire_package_get_relationlist(pkg, SOLVABLE_OBSOLETES);
}

PAKFIRE_EXPORT void pakfire_package_set_obsoletes(PakfirePackage pkg, PakfireRelationList relationlist) {
        pakfire_package_set_relationlist(pkg, SOLVABLE_OBSOLETES, relationlist);
}

PAKFIRE_EXPORT void pakfire_package_add_obsoletes(PakfirePackage pkg, PakfireRelation relation) {
        pakfire_package_add_relation(pkg, SOLVABLE_OBSOLETES, relation);
}

PAKFIRE_EXPORT PakfireRelationList pakfire_package_get_recommends(PakfirePackage pkg) {
        return pakfire_package_get_relationlist(pkg, SOLVABLE_RECOMMENDS);
}

PAKFIRE_EXPORT void pakfire_package_set_recommends(PakfirePackage pkg, PakfireRelationList relationlist) {
        pakfire_package_set_relationlist(pkg, SOLVABLE_RECOMMENDS, relationlist);
}

PAKFIRE_EXPORT void pakfire_package_add_recommends(PakfirePackage pkg, PakfireRelation relation) {
        pakfire_package_add_relation(pkg, SOLVABLE_RECOMMENDS, relation);
}

PAKFIRE_EXPORT PakfireRelationList pakfire_package_get_suggests(PakfirePackage pkg) {
        return pakfire_package_get_relationlist(pkg, SOLVABLE_SUGGESTS);
}

PAKFIRE_EXPORT void pakfire_package_set_suggests(PakfirePackage pkg, PakfireRelationList relationlist) {
        pakfire_package_set_relationlist(pkg, SOLVABLE_SUGGESTS, relationlist);
}

PAKFIRE_EXPORT void pakfire_package_add_suggests(PakfirePackage pkg, PakfireRelation relation) {
        pakfire_package_add_relation(pkg, SOLVABLE_SUGGESTS, relation);
}

PAKFIRE_EXPORT PakfireRepo pakfire_package_get_repo(PakfirePackage pkg) {
        Solvable* s = get_solvable(pkg);

        return pakfire_repo_create_from_repo(pkg->pakfire, s->repo);
}

PAKFIRE_EXPORT void pakfire_package_set_repo(PakfirePackage pkg, PakfireRepo repo) {
        Solvable* s = get_solvable(pkg);

        s->repo = pakfire_repo_get_repo(repo);
}

PAKFIRE_EXPORT char* pakfire_package_get_location(PakfirePackage pkg) {
        pakfire_package_internalize_repo(pkg);

        Solvable* s = get_solvable(pkg);

        const char* location = solvable_get_location(s, NULL);
        return pakfire_strdup(location);
}

static void pakfire_package_dump_add_line(char** str, const char* key, const char* val) {
        if (val)
                asprintf(str, "%s%-15s: %s\n", *str, key ? key : "", val);
}

static void pakfire_package_dump_add_lines(char** str, const char* key, const char* val) {
        const char* string = val;

        while (*string) {
                char line[STRING_SIZE];
                int counter = 0;

                while (*string) {
                        if (*string == '\n') {
                                string++;
                                break;
                        }

                        line[counter++] = *string++;
                }
                line[counter] = '\0';

                if (*line) {
                        pakfire_package_dump_add_line(str, key, line);
                        key = NULL;
                }
        }
}

static void pakfire_package_dump_add_line_date(char** str, const char* key, unsigned long long date) {
        // Convert from integer to tm struct.
        struct tm* timer = gmtime((time_t *)&date);

        char val[STRING_SIZE];
        strftime(val, STRING_SIZE, "%a, %d %b %Y %T %z", timer);

        pakfire_package_dump_add_line(str, key, val);
}

static void pakfire_package_dump_add_line_relations(char** str, const char* key, PakfireRelationList deps) {
        int count = pakfire_relationlist_count(deps);
        for (int i = 0; i < count; i++) {
                PakfireRelation relation = pakfire_relationlist_get_clone(deps, i);

                if (relation) {
                        char* dep = pakfire_relation_str(relation);
                        pakfire_relation_unref(relation);

                        // Stop here and don't list any files.
                        if (strcmp(PAKFIRE_SOLVABLE_FILEMARKER, dep) == 0)
                                break;

                        if (dep) {
                                pakfire_package_dump_add_line(str, (i == 0) ? key : "", dep);
                                pakfire_free(dep);
                        }
                }
        }
}

static void pakfire_package_dump_add_line_size(char** str, const char* key, unsigned long long size) {
        char* val = pakfire_format_size(size);

        if (val) {
                pakfire_package_dump_add_line(str, key, val);
                pakfire_free(val);
        }
}

PAKFIRE_EXPORT char* pakfire_package_dump(PakfirePackage pkg, int flags) {
        char* string = "";

        // Name
        const char* name = pakfire_package_get_name(pkg);
        pakfire_package_dump_add_line(&string, _("Name"), name);

        // Version
        const char* version = pakfire_package_get_version(pkg);
        pakfire_package_dump_add_line(&string, _("Version"), version);

        // Release
        const char* release = pakfire_package_get_release(pkg);
        pakfire_package_dump_add_line(&string, _("Release"), release);

        // Size
        unsigned long long size = pakfire_package_get_size(pkg);
        pakfire_package_dump_add_line_size(&string, _("Size"), size);

        // Installed size
        if (pakfire_package_is_installed(pkg)) {
                unsigned long long installsize = pakfire_package_get_installsize(pkg);
                pakfire_package_dump_add_line_size(&string, _("Installed size"), installsize);

        // Downloadsize
        } else {
                unsigned long long downloadsize = pakfire_package_get_downloadsize(pkg);
                pakfire_package_dump_add_line_size(&string, _("Download size"), downloadsize);
        }

        PakfireRepo repo = pakfire_package_get_repo(pkg);
        if (repo) {
                const char* repo_name = pakfire_repo_get_name(repo);
                pakfire_package_dump_add_line(&string, _("Repo"), repo_name);

                pakfire_repo_unref(repo);
        }

        // Summary
        const char* summary = pakfire_package_get_summary(pkg);
        pakfire_package_dump_add_line(&string, _("Summary"), summary);

        // Description
        const char* description = pakfire_package_get_description(pkg);
        pakfire_package_dump_add_lines(&string, _("Description"), description);

        // Groups
        #warning TODO groups

        // URL
        const char* url = pakfire_package_get_url(pkg);
        pakfire_package_dump_add_line(&string, _("URL"), url);

        // License
        const char* license = pakfire_package_get_license(pkg);
        pakfire_package_dump_add_line(&string, _("License"), license);

        if (flags & PAKFIRE_PKG_DUMP_LONG) {
                // Maintainer
                const char* maintainer = pakfire_package_get_maintainer(pkg);
                pakfire_package_dump_add_line(&string, _("Maintainer"), maintainer);

                // Vendor
                const char* vendor = pakfire_package_get_vendor(pkg);
                pakfire_package_dump_add_line(&string, _("Vendor"), vendor);

                // UUID
                const char* uuid = pakfire_package_get_uuid(pkg);
                pakfire_package_dump_add_line(&string, _("UUID"), uuid);

                // Build time
                unsigned long long buildtime = pakfire_package_get_buildtime(pkg);
                pakfire_package_dump_add_line_date(&string, _("Build date"), buildtime);

                // Build host
                const char* buildhost = pakfire_package_get_buildhost(pkg);
                pakfire_package_dump_add_line(&string, _("Build host"), buildhost);

                PakfireRelationList provides = pakfire_package_get_provides(pkg);
                if (provides) {
                        pakfire_package_dump_add_line_relations(&string, _("Provides"), provides);
                        pakfire_relationlist_unref(provides);
                }

                PakfireRelationList requires = pakfire_package_get_requires(pkg);
                if (requires) {
                        pakfire_package_dump_add_line_relations(&string, _("Requires"), requires);
                        pakfire_relationlist_unref(requires);
                }

                PakfireRelationList conflicts = pakfire_package_get_conflicts(pkg);
                if (conflicts) {
                        pakfire_package_dump_add_line_relations(&string, _("Conflicts"), conflicts);
                        pakfire_relationlist_unref(conflicts);
                }

                PakfireRelationList obsoletes = pakfire_package_get_obsoletes(pkg);
                if (obsoletes) {
                        pakfire_package_dump_add_line_relations(&string, _("Obsoletes"), obsoletes);
                        pakfire_relationlist_unref(obsoletes);
                }

                PakfireRelationList recommends = pakfire_package_get_recommends(pkg);
                if (recommends) {
                        pakfire_package_dump_add_line_relations(&string, _("Recommends"), recommends);
                        pakfire_relationlist_unref(recommends);
                }

                PakfireRelationList suggests = pakfire_package_get_suggests(pkg);
                if (suggests) {
                        pakfire_package_dump_add_line_relations(&string, _("Suggests"), suggests);
                        pakfire_relationlist_unref(suggests);
                }
        }

        if (flags & PAKFIRE_PKG_DUMP_FILELIST) {
                PakfireFile file = pakfire_package_get_filelist(pkg);

                char* prefix = _("Filelist");
                while (file) {
                        const char* name = pakfire_file_get_name(file);
                        pakfire_package_dump_add_line(&string, prefix, name);

                        file = pakfire_file_get_next(file);

                        // Only prefix the first line.
                        prefix = NULL;
                }
        }

        return string;
}

PAKFIRE_EXPORT int pakfire_package_is_cached(PakfirePackage pkg) {
        char* path = pakfire_package_get_cache_path(pkg);

        // Check if the file is readable
        int r = pakfire_access(path, NULL, R_OK);
        pakfire_free(path);

        return r;
}

PAKFIRE_EXPORT char* pakfire_package_get_cache_path(PakfirePackage pkg) {
        char buffer[STRING_SIZE] = "";

        const char* filename = pakfire_package_get_filename(pkg);
        const char* checksum = pakfire_package_get_checksum(pkg);

        if (strlen(checksum) < 3)
                return NULL;

        snprintf(buffer, sizeof(buffer), "%c%c/%s/%s", checksum[0], checksum[1],
                checksum + 2, filename);

        return pakfire_get_cache_path(pkg->pakfire, buffer);
}

PAKFIRE_EXPORT PakfireArchive pakfire_package_get_archive(PakfirePackage pkg) {
        // Return the package if it has already been opened
        if (pkg->archive)
                return pakfire_archive_ref(pkg->archive);

        // Otherwise open the archive from the cache
        char* path = pakfire_package_get_cache_path(pkg);
        PakfireArchive archive = pakfire_archive_open(pkg->pakfire, path);

        // Free resources
        pakfire_free(path);

        return archive;
}

static PakfireFile pakfire_package_fetch_legacy_filelist(PakfirePackage pkg) {
        pakfire_package_internalize_repo(pkg);

        PakfireFile file = NULL;
        PakfireRepo repo = pakfire_package_get_repo(pkg);
        Solvable* s = get_solvable(pkg);
        Pool* p = pakfire_package_get_solv_pool(pkg);
        Repo* r = pakfire_repo_get_repo(repo);

        int found_marker = 0;

        Id id, *ids;
        ids = r->idarraydata + s->provides;
        while((id = *ids++) != 0) {
                const char* filename = pool_dep2str(p, id);

                if (found_marker) {
                        if (file) {
                                file = pakfire_file_append(file);
                        } else {
                                file = pakfire_file_create();
                        }

                        pakfire_file_set_name(file, filename);
                        continue;
                }

                if (strcmp(filename, PAKFIRE_SOLVABLE_FILEMARKER) == 0)
                        ++found_marker;
        }

        if (file) {
                file = pakfire_file_get_first(file);

                // Sort the output
                file = pakfire_file_sort(file);
        }

        pakfire_repo_unref(repo);

        return file;
}

static PakfireFile pakfire_package_fetch_filelist(PakfirePackage pkg) {
        pakfire_package_internalize_repo(pkg);

        PakfireFile file = NULL;
        Pool* pool = pakfire_package_get_solv_pool(pkg);
        Repo* repo = pakfire_package_solv_repo(pkg);
        Id handle = pakfire_package_get_handle(pkg);

        Dataiterator di;
        dataiterator_init(&di, pool, repo, handle,
                SOLVABLE_FILELIST, NULL, SEARCH_FILES | SEARCH_COMPLETE_FILELIST);
        while (dataiterator_step(&di)) {
                if (file) {
                        file = pakfire_file_append(file);
                } else {
                        file = pakfire_file_create();
                }

                pakfire_file_set_name(file, di.kv.str);
        }
        dataiterator_free(&di);

        if (file) {
                file = pakfire_file_get_first(file);

                // Sort the result.
                file = pakfire_file_sort(file);
        }

        // If the file list is empty, we fall back to read files
        // in the older format.
        if (!file)
                file = pakfire_package_fetch_legacy_filelist(pkg);

        return file;
}

PAKFIRE_EXPORT PakfireFile pakfire_package_get_filelist(PakfirePackage pkg) {
        if (!pkg->filelist) {
                pkg->filelist = pakfire_package_fetch_filelist(pkg);
        }

        return pkg->filelist;
}

PAKFIRE_EXPORT PakfireFile pakfire_package_filelist_append(PakfirePackage pkg, const char* filename) {
        PakfireRepo repo = pakfire_package_get_repo(pkg);
        Repodata* repodata = pakfire_repo_get_repodata(repo);

        Id handle = pakfire_package_get_handle(pkg);

        char* dirname  = pakfire_dirname(filename);
        char* basename = pakfire_basename(filename);

        Id did = repodata_str2dir(repodata, dirname, 1);
        if (!did)
                did = repodata_str2dir(repodata, "/", 1);

        repodata_add_dirstr(repodata, handle,
                SOLVABLE_FILELIST, did, basename);

        pakfire_repo_unref(repo);

        return NULL;
}

#if 0
PakfireFile pakfire_package_filelist_append(PakfirePackage pkg) {
        if (pkg->filelist) {
                return pakfire_file_append(pkg->filelist);
        }

        PakfireFile file = pakfire_file_create();
        pkg->filelist = file;

        return file;
}
#endif

PAKFIRE_EXPORT void pakfire_package_filelist_remove(PakfirePackage pkg) {
        if (pkg->filelist)
                pakfire_file_free_all(pkg->filelist);
}