/* * alpm.h * * Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org> * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org> * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com> * Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu> * Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.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/>. */ #ifndef _ALPM_H #define _ALPM_H #ifdef __cplusplus extern "C" { #endif #include <sys/types.h> /* for off_t */ #include <time.h> /* for time_t */ #include <stdarg.h> /* for va_list */ #include <alpm_list.h> #define DEPRECATED __attribute__((deprecated)) /* * Arch Linux Package Management library */ /** @addtogroup alpm_api Public API * The libalpm Public API * @{ */ /* * Enumerations * These ones are used in multiple contexts, so are forward-declared. */ /** * Install reasons. * Why the package was installed. */ typedef enum _pmpkgreason_t { /** Explicitly requested by the user. */ PM_PKG_REASON_EXPLICIT = 0, /** Installed as a dependency for another package. */ PM_PKG_REASON_DEPEND = 1 } pmpkgreason_t; /** Types of version constraints in dependency specs. */ typedef enum _pmdepmod_t { /** No version constraint */ PM_DEP_MOD_ANY = 1, /** Test version equality (package=x.y.z) */ PM_DEP_MOD_EQ, /** Test for at least a version (package>=x.y.z) */ PM_DEP_MOD_GE, /** Test for at most a version (package<=x.y.z) */ PM_DEP_MOD_LE, /** Test for greater than some version (package>x.y.z) */ PM_DEP_MOD_GT, /** Test for less than some version (package<x.y.z) */ PM_DEP_MOD_LT } pmdepmod_t; /** * File conflict type. * Whether the conflict results from a file existing on the filesystem, or with * another target in the transaction. */ typedef enum _pmfileconflicttype_t { PM_FILECONFLICT_TARGET = 1, PM_FILECONFLICT_FILESYSTEM } pmfileconflicttype_t; /** * GPG signature verification options */ typedef enum _pgp_verify_t { PM_PGP_VERIFY_UNKNOWN, PM_PGP_VERIFY_NEVER, PM_PGP_VERIFY_OPTIONAL, PM_PGP_VERIFY_ALWAYS } pgp_verify_t; /* * Structures */ typedef struct __pmhandle_t pmhandle_t; typedef struct __pmdb_t pmdb_t; typedef struct __pmpkg_t pmpkg_t; typedef struct __pmtrans_t pmtrans_t; /** Dependency */ typedef struct _pmdepend_t { char *name; char *version; unsigned long name_hash; pmdepmod_t mod; } pmdepend_t; /** Missing dependency */ typedef struct _pmdepmissing_t { char *target; pmdepend_t *depend; /* this is used in case of remove dependency error only */ char *causingpkg; } pmdepmissing_t; /** Conflict */ typedef struct _pmconflict_t { char *package1; char *package2; char *reason; } pmconflict_t; /** File conflict */ typedef struct _pmfileconflict_t { char *target; pmfileconflicttype_t type; char *file; char *ctarget; } pmfileconflict_t; /** Package group */ typedef struct _pmgrp_t { /** group name */ char *name; /** list of pmpkg_t packages */ alpm_list_t *packages; } pmgrp_t; /** Package upgrade delta */ typedef struct _pmdelta_t { /** filename of the delta patch */ char *delta; /** md5sum of the delta file */ char *delta_md5; /** filename of the 'before' file */ char *from; /** filename of the 'after' file */ char *to; /** filesize of the delta file */ off_t delta_size; /** download filesize of the delta file */ off_t download_size; } pmdelta_t; /** Local package or package file backup entry */ typedef struct _pmbackup_t { char *name; char *hash; } pmbackup_t; /* * Logging facilities */ /** * Logging Levels */ typedef enum _pmloglevel_t { PM_LOG_ERROR = 1, PM_LOG_WARNING = (1 << 1), PM_LOG_DEBUG = (1 << 2), PM_LOG_FUNCTION = (1 << 3) } pmloglevel_t; typedef void (*alpm_cb_log)(pmloglevel_t, const char *, va_list); int alpm_logaction(pmhandle_t *handle, const char *fmt, ...); /* * Downloading */ /** Type of download progress callbacks. * @param filename the name of the file being downloaded * @param xfered the number of transferred bytes * @param total the total number of bytes to transfer */ typedef void (*alpm_cb_download)(const char *filename, off_t xfered, off_t total); typedef void (*alpm_cb_totaldl)(off_t total); /** A callback for downloading files * @param url the URL of the file to be downloaded * @param localpath the directory to which the file should be downloaded * @param force whether to force an update, even if the file is the same * @return 0 on success, 1 if the file exists and is identical, -1 on * error. */ typedef int (*alpm_cb_fetch)(const char *url, const char *localpath, int force); /** Fetch a remote pkg. * @param handle the context handle * @param url URL of the package to download * @return the downloaded filepath on success, NULL on error */ char *alpm_fetch_pkgurl(pmhandle_t *handle, const char *url); /** @addtogroup alpm_api_options Options * Libalpm option getters and setters * @{ */ /** Returns the callback used for logging. */ alpm_cb_log alpm_option_get_logcb(pmhandle_t *handle); /** Sets the callback used for logging. */ int alpm_option_set_logcb(pmhandle_t *handle, alpm_cb_log cb); /** Returns the callback used to report download progress. */ alpm_cb_download alpm_option_get_dlcb(pmhandle_t *handle); /** Sets the callback used to report download progress. */ int alpm_option_set_dlcb(pmhandle_t *handle, alpm_cb_download cb); /** Returns the downloading callback. */ alpm_cb_fetch alpm_option_get_fetchcb(pmhandle_t *handle); /** Sets the downloading callback. */ int alpm_option_set_fetchcb(pmhandle_t *handle, alpm_cb_fetch cb); /** Returns the callback used to report total download size. */ alpm_cb_totaldl alpm_option_get_totaldlcb(pmhandle_t *handle); /** Sets the callback used to report total download size. */ int alpm_option_set_totaldlcb(pmhandle_t *handle, alpm_cb_totaldl cb); /** Returns the root of the destination filesystem. Read-only. */ const char *alpm_option_get_root(pmhandle_t *handle); /** Returns the path to the database directory. Read-only. */ const char *alpm_option_get_dbpath(pmhandle_t *handle); /** Get the name of the database lock file. Read-only. */ const char *alpm_option_get_lockfile(pmhandle_t *handle); /** @name Accessors to the list of package cache directories. * @{ */ alpm_list_t *alpm_option_get_cachedirs(pmhandle_t *handle); int alpm_option_set_cachedirs(pmhandle_t *handle, alpm_list_t *cachedirs); int alpm_option_add_cachedir(pmhandle_t *handle, const char *cachedir); int alpm_option_remove_cachedir(pmhandle_t *handle, const char *cachedir); /** @} */ /** Returns the logfile name. */ const char *alpm_option_get_logfile(pmhandle_t *handle); /** Sets the logfile name. */ int alpm_option_set_logfile(pmhandle_t *handle, const char *logfile); /** Returns the path to libalpm's GnuPG home directory. */ const char *alpm_option_get_gpgdir(pmhandle_t *handle); /** Sets the path to libalpm's GnuPG home directory. */ int alpm_option_set_gpgdir(pmhandle_t *handle, const char *gpgdir); /** Returns whether to use syslog (0 is FALSE, TRUE otherwise). */ int alpm_option_get_usesyslog(pmhandle_t *handle); /** Sets whether to use syslog (0 is FALSE, TRUE otherwise). */ int alpm_option_set_usesyslog(pmhandle_t *handle, int usesyslog); /** @name Accessors to the list of no-upgrade files. * These functions modify the list of files which should * not be updated by package installation. * @{ */ alpm_list_t *alpm_option_get_noupgrades(pmhandle_t *handle); int alpm_option_add_noupgrade(pmhandle_t *handle, const char *pkg); int alpm_option_set_noupgrades(pmhandle_t *handle, alpm_list_t *noupgrade); int alpm_option_remove_noupgrade(pmhandle_t *handle, const char *pkg); /** @} */ /** @name Accessors to the list of no-extract files. * These functions modify the list of filenames which should * be skipped packages which should * not be upgraded by a sysupgrade operation. * @{ */ alpm_list_t *alpm_option_get_noextracts(pmhandle_t *handle); int alpm_option_add_noextract(pmhandle_t *handle, const char *pkg); int alpm_option_set_noextracts(pmhandle_t *handle, alpm_list_t *noextract); int alpm_option_remove_noextract(pmhandle_t *handle, const char *pkg); /** @} */ /** @name Accessors to the list of ignored packages. * These functions modify the list of packages that * should be ignored by a sysupgrade. * @{ */ alpm_list_t *alpm_option_get_ignorepkgs(pmhandle_t *handle); int alpm_option_add_ignorepkg(pmhandle_t *handle, const char *pkg); int alpm_option_set_ignorepkgs(pmhandle_t *handle, alpm_list_t *ignorepkgs); int alpm_option_remove_ignorepkg(pmhandle_t *handle, const char *pkg); /** @} */ /** @name Accessors to the list of ignored groups. * These functions modify the list of groups whose packages * should be ignored by a sysupgrade. * @{ */ alpm_list_t *alpm_option_get_ignoregrps(pmhandle_t *handle); int alpm_option_add_ignoregrp(pmhandle_t *handle, const char *grp); int alpm_option_set_ignoregrps(pmhandle_t *handle, alpm_list_t *ignoregrps); int alpm_option_remove_ignoregrp(pmhandle_t *handle, const char *grp); /** @} */ /** Returns the targeted architecture. */ const char *alpm_option_get_arch(pmhandle_t *handle); /** Sets the targeted architecture. */ int alpm_option_set_arch(pmhandle_t *handle, const char *arch); int alpm_option_get_usedelta(pmhandle_t *handle); int alpm_option_set_usedelta(pmhandle_t *handle, int usedelta); int alpm_option_get_checkspace(pmhandle_t *handle); int alpm_option_set_checkspace(pmhandle_t *handle, int checkspace); pgp_verify_t alpm_option_get_default_sigverify(pmhandle_t *handle); int alpm_option_set_default_sigverify(pmhandle_t *handle, pgp_verify_t level); /** @} */ /** @addtogroup alpm_api_databases Database Functions * Functions to query and manipulate the database of libalpm. * @{ */ /** Get the database of locally installed packages. * The returned pointer points to an internal structure * of libalpm which should only be manipulated through * libalpm functions. * @return a reference to the local database */ pmdb_t *alpm_option_get_localdb(pmhandle_t *handle); /** Get the list of sync databases. * Returns a list of pmdb_t structures, one for each registered * sync database. * @param handle the context handle * @return a reference to an internal list of pmdb_t structures */ alpm_list_t *alpm_option_get_syncdbs(pmhandle_t *handle); /** Register a sync database of packages. * @param handle the context handle * @param treename the name of the sync repository * @param check_sig what level of signature checking to perform on the * database; note that this must be a '.sig' file type verification * @return a pmdb_t* on success (the value), NULL on error */ pmdb_t *alpm_db_register_sync(pmhandle_t *handle, const char *treename, pgp_verify_t check_sig); /** Unregister a package database. * @param db pointer to the package database to unregister * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_db_unregister(pmdb_t *db); /** Unregister all package databases. * @param handle the context handle * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_db_unregister_all(pmhandle_t *handle); /** Get the name of a package database. * @param db pointer to the package database * @return the name of the package database, NULL on error */ const char *alpm_db_get_name(const pmdb_t *db); /** @name Accessors to the list of servers for a database. * @{ */ alpm_list_t *alpm_db_get_servers(const pmdb_t *db); int alpm_db_set_servers(pmdb_t *db, alpm_list_t *servers); int alpm_db_add_server(pmdb_t *db, const char *url); int alpm_db_remove_server(pmdb_t *db, const char *url); /** @} */ int alpm_db_update(int level, pmdb_t *db); /** Get a package entry from a package database. * @param db pointer to the package database to get the package from * @param name of the package * @return the package entry on success, NULL on error */ pmpkg_t *alpm_db_get_pkg(pmdb_t *db, const char *name); /** Get the package cache of a package database. * @param db pointer to the package database to get the package from * @return the list of packages on success, NULL on error */ alpm_list_t *alpm_db_get_pkgcache(pmdb_t *db); /** Get a group entry from a package database. * @param db pointer to the package database to get the group from * @param name of the group * @return the groups entry on success, NULL on error */ pmgrp_t *alpm_db_readgrp(pmdb_t *db, const char *name); /** Get the group cache of a package database. * @param db pointer to the package database to get the group from * @return the list of groups on success, NULL on error */ alpm_list_t *alpm_db_get_grpcache(pmdb_t *db); /** Searches a database with regular expressions. * @param db pointer to the package database to search in * @param needles a list of regular expressions to search for * @return the list of packages matching all regular expressions on success, NULL on error */ alpm_list_t *alpm_db_search(pmdb_t *db, const alpm_list_t* needles); /** Set install reason for a package in db. * @param db pointer to the package database * @param name the name of the package * @param reason the new install reason * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_db_set_pkgreason(pmdb_t *db, const char *name, pmpkgreason_t reason); /** @} */ /** @addtogroup alpm_api_packages Package Functions * Functions to manipulate libalpm packages * @{ */ /** Create a package from a file. * If full is false, the archive is read only until all necessary * metadata is found. If it is true, the entire archive is read, which * serves as a verification of integrity and the filelist can be created. * The allocated structure should be freed using alpm_pkg_free(). * @param handle the context handle * @param filename location of the package tarball * @param full whether to stop the load after metadata is read or continue * through the full archive * @param check_sig what level of package signature checking to perform on the * package; note that this must be a '.sig' file type verification * @param pkg address of the package pointer * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_pkg_load(pmhandle_t *handle, const char *filename, int full, pgp_verify_t check_sig, pmpkg_t **pkg); /** Free a package. * @param pkg package pointer to free * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_pkg_free(pmpkg_t *pkg); /** Check the integrity (with md5) of a package from the sync cache. * @param pkg package pointer * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_pkg_checkmd5sum(pmpkg_t *pkg); /** Compare two version strings and determine which one is 'newer'. */ int alpm_pkg_vercmp(const char *a, const char *b); /** Computes the list of packages requiring a given package. * The return value of this function is a newly allocated * list of package names (char*), it should be freed by the caller. * @param pkg a package * @return the list of packages requiring pkg */ alpm_list_t *alpm_pkg_compute_requiredby(pmpkg_t *pkg); /** @name Package Property Accessors * Any pointer returned by these functions points to internal structures * allocated by libalpm. They should not be freed nor modified in any * way. * @{ */ /** Gets the name of the file from which the package was loaded. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_filename(pmpkg_t *pkg); /** Returns the package name. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_name(pmpkg_t *pkg); /** Returns the package version as a string. * This includes all available epoch, version, and pkgrel components. Use * alpm_pkg_vercmp() to compare version strings if necessary. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_version(pmpkg_t *pkg); /** Returns the package description. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_desc(pmpkg_t *pkg); /** Returns the package URL. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_url(pmpkg_t *pkg); /** Returns the build timestamp of the package. * @param pkg a pointer to package * @return the timestamp of the build time */ time_t alpm_pkg_get_builddate(pmpkg_t *pkg); /** Returns the install timestamp of the package. * @param pkg a pointer to package * @return the timestamp of the install time */ time_t alpm_pkg_get_installdate(pmpkg_t *pkg); /** Returns the packager's name. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_packager(pmpkg_t *pkg); /** Returns the package's MD5 checksum as a string. * The returned string is a sequence of lowercase hexadecimal digits. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_md5sum(pmpkg_t *pkg); /** Returns the architecture for which the package was built. * @param pkg a pointer to package * @return a reference to an internal string */ const char *alpm_pkg_get_arch(pmpkg_t *pkg); /** Returns the size of the package. * @param pkg a pointer to package * @return the size of the package in bytes. */ off_t alpm_pkg_get_size(pmpkg_t *pkg); /** Returns the installed size of the package. * @param pkg a pointer to package * @return the total size of files installed by the package. */ off_t alpm_pkg_get_isize(pmpkg_t *pkg); /** Returns the package installation reason. * @param pkg a pointer to package * @return an enum member giving the install reason. */ pmpkgreason_t alpm_pkg_get_reason(pmpkg_t *pkg); /** Returns the list of package licenses. * @param pkg a pointer to package * @return a pointer to an internal list of strings. */ alpm_list_t *alpm_pkg_get_licenses(pmpkg_t *pkg); /** Returns the list of package groups. * @param pkg a pointer to package * @return a pointer to an internal list of strings. */ alpm_list_t *alpm_pkg_get_groups(pmpkg_t *pkg); /** Returns the list of package dependencies as pmdepend_t. * @param pkg a pointer to package * @return a reference to an internal list of pmdepend_t structures. */ alpm_list_t *alpm_pkg_get_depends(pmpkg_t *pkg); /** Returns the list of package optional dependencies. * @param pkg a pointer to package * @return a reference to an internal list of strings. */ alpm_list_t *alpm_pkg_get_optdepends(pmpkg_t *pkg); /** Returns the list of package names conflicting with pkg. * @param pkg a pointer to package * @return a reference to an internal list of strings. */ alpm_list_t *alpm_pkg_get_conflicts(pmpkg_t *pkg); /** Returns the list of package names provided by pkg. * @param pkg a pointer to package * @return a reference to an internal list of strings. */ alpm_list_t *alpm_pkg_get_provides(pmpkg_t *pkg); /** Returns the list of available deltas for pkg. * @param pkg a pointer to package * @return a reference to an internal list of strings. */ alpm_list_t *alpm_pkg_get_deltas(pmpkg_t *pkg); /** Returns the list of packages to be replaced by pkg. * @param pkg a pointer to package * @return a reference to an internal list of strings. */ alpm_list_t *alpm_pkg_get_replaces(pmpkg_t *pkg); /** Returns the list of files installed by pkg. * The filenames are relative to the install root, * and do not include leading slashes. * @param pkg a pointer to package * @return a reference to an internal list of strings. */ alpm_list_t *alpm_pkg_get_files(pmpkg_t *pkg); /** Returns the list of files backed up when installing pkg. * The elements of the returned list have the form * "<filename>\t<md5sum>", where the given md5sum is that of * the file as provided by the package. * @param pkg a pointer to package * @return a reference to an internal list of strings. */ alpm_list_t *alpm_pkg_get_backup(pmpkg_t *pkg); /** Returns the database containing pkg. * Returns a pointer to the pmdb_t structure the package is * originating from, or NULL if the package was loaded from a file. * @param pkg a pointer to package * @return a pointer to the DB containing pkg, or NULL. */ pmdb_t *alpm_pkg_get_db(pmpkg_t *pkg); /* End of pmpkg_t accessors */ /* @} */ /** Open a package changelog for reading. * Similar to fopen in functionality, except that the returned 'file * stream' could really be from an archive as well as from the database. * @param pkg the package to read the changelog of (either file or db) * @return a 'file stream' to the package changelog */ void *alpm_pkg_changelog_open(pmpkg_t *pkg); /** Read data from an open changelog 'file stream'. * Similar to fread in functionality, this function takes a buffer and * amount of data to read. If an error occurs pm_errno will be set. * @param ptr a buffer to fill with raw changelog data * @param size the size of the buffer * @param pkg the package that the changelog is being read from * @param fp a 'file stream' to the package changelog * @return the number of characters read, or 0 if there is no more data or an * error occurred. */ size_t alpm_pkg_changelog_read(void *ptr, size_t size, const pmpkg_t *pkg, const void *fp); /*int alpm_pkg_changelog_feof(const pmpkg_t *pkg, void *fp);*/ int alpm_pkg_changelog_close(const pmpkg_t *pkg, void *fp); /** Returns whether the package has an install scriptlet. * @return 0 if FALSE, TRUE otherwise */ int alpm_pkg_has_scriptlet(pmpkg_t *pkg); /** Returns the size of download. * Returns the size of the files that will be downloaded to install a * package. * @param newpkg the new package to upgrade to * @return the size of the download */ off_t alpm_pkg_download_size(pmpkg_t *newpkg); alpm_list_t *alpm_pkg_unused_deltas(pmpkg_t *pkg); /* End of alpm_pkg */ /** @} */ /* * Signatures */ int alpm_pkg_check_pgp_signature(pmpkg_t *pkg); int alpm_db_check_pgp_signature(pmdb_t *db); /* * Groups */ alpm_list_t *alpm_find_grp_pkgs(alpm_list_t *dbs, const char *name); /* * Sync */ pmpkg_t *alpm_sync_newversion(pmpkg_t *pkg, alpm_list_t *dbs_sync); /** @addtogroup alpm_api_trans Transaction Functions * Functions to manipulate libalpm transactions * @{ */ /** Transaction flags */ typedef enum _pmtransflag_t { /** Ignore dependency checks. */ PM_TRANS_FLAG_NODEPS = 1, /** Ignore file conflicts and overwrite files. */ PM_TRANS_FLAG_FORCE = (1 << 1), /** Delete files even if they are tagged as backup. */ PM_TRANS_FLAG_NOSAVE = (1 << 2), /** Ignore version numbers when checking dependencies. */ PM_TRANS_FLAG_NODEPVERSION = (1 << 3), /** Remove also any packages depending on a package being removed. */ PM_TRANS_FLAG_CASCADE = (1 << 4), /** Remove packages and their unneeded deps (not explicitly installed). */ PM_TRANS_FLAG_RECURSE = (1 << 5), /** Modify database but do not commit changes to the filesystem. */ PM_TRANS_FLAG_DBONLY = (1 << 6), /* (1 << 7) flag can go here */ /** Use PM_PKG_REASON_DEPEND when installing packages. */ PM_TRANS_FLAG_ALLDEPS = (1 << 8), /** Only download packages and do not actually install. */ PM_TRANS_FLAG_DOWNLOADONLY = (1 << 9), /** Do not execute install scriptlets after installing. */ PM_TRANS_FLAG_NOSCRIPTLET = (1 << 10), /** Ignore dependency conflicts. */ PM_TRANS_FLAG_NOCONFLICTS = (1 << 11), /* (1 << 12) flag can go here */ /** Do not install a package if it is already installed and up to date. */ PM_TRANS_FLAG_NEEDED = (1 << 13), /** Use PM_PKG_REASON_EXPLICIT when installing packages. */ PM_TRANS_FLAG_ALLEXPLICIT = (1 << 14), /** Do not remove a package if it is needed by another one. */ PM_TRANS_FLAG_UNNEEDED = (1 << 15), /** Remove also explicitly installed unneeded deps (use with PM_TRANS_FLAG_RECURSE). */ PM_TRANS_FLAG_RECURSEALL = (1 << 16), /** Do not lock the database during the operation. */ PM_TRANS_FLAG_NOLOCK = (1 << 17) } pmtransflag_t; /** Transaction events. * NULL parameters are passed to in all events unless specified otherwise. */ typedef enum _pmtransevt_t { /** Dependencies will be computed for a package. */ PM_TRANS_EVT_CHECKDEPS_START = 1, /** Dependencies were computed for a package. */ PM_TRANS_EVT_CHECKDEPS_DONE, /** File conflicts will be computed for a package. */ PM_TRANS_EVT_FILECONFLICTS_START, /** File conflicts were computed for a package. */ PM_TRANS_EVT_FILECONFLICTS_DONE, /** Dependencies will be resolved for target package. */ PM_TRANS_EVT_RESOLVEDEPS_START, /** Dependencies were resolved for target package. */ PM_TRANS_EVT_RESOLVEDEPS_DONE, /** Inter-conflicts will be checked for target package. */ PM_TRANS_EVT_INTERCONFLICTS_START, /** Inter-conflicts were checked for target package. */ PM_TRANS_EVT_INTERCONFLICTS_DONE, /** Package will be installed. * A pointer to the target package is passed to the callback. */ PM_TRANS_EVT_ADD_START, /** Package was installed. * A pointer to the new package is passed to the callback. */ PM_TRANS_EVT_ADD_DONE, /** Package will be removed. * A pointer to the target package is passed to the callback. */ PM_TRANS_EVT_REMOVE_START, /** Package was removed. * A pointer to the removed package is passed to the callback. */ PM_TRANS_EVT_REMOVE_DONE, /** Package will be upgraded. * A pointer to the upgraded package is passed to the callback. */ PM_TRANS_EVT_UPGRADE_START, /** Package was upgraded. * A pointer to the new package, and a pointer to the old package is passed * to the callback, respectively. */ PM_TRANS_EVT_UPGRADE_DONE, /** Target package's integrity will be checked. */ PM_TRANS_EVT_INTEGRITY_START, /** Target package's integrity was checked. */ PM_TRANS_EVT_INTEGRITY_DONE, /** Target deltas's integrity will be checked. */ PM_TRANS_EVT_DELTA_INTEGRITY_START, /** Target delta's integrity was checked. */ PM_TRANS_EVT_DELTA_INTEGRITY_DONE, /** Deltas will be applied to packages. */ PM_TRANS_EVT_DELTA_PATCHES_START, /** Deltas were applied to packages. */ PM_TRANS_EVT_DELTA_PATCHES_DONE, /** Delta patch will be applied to target package. * The filename of the package and the filename of the patch is passed to the * callback. */ PM_TRANS_EVT_DELTA_PATCH_START, /** Delta patch was applied to target package. */ PM_TRANS_EVT_DELTA_PATCH_DONE, /** Delta patch failed to apply to target package. */ PM_TRANS_EVT_DELTA_PATCH_FAILED, /** Scriptlet has printed information. * A line of text is passed to the callback. */ PM_TRANS_EVT_SCRIPTLET_INFO, /** Files will be downloaded from a repository. * The repository's tree name is passed to the callback. */ PM_TRANS_EVT_RETRIEVE_START, /** Disk space usage will be computed for a package */ PM_TRANS_EVT_DISKSPACE_START, /** Disk space usage was computed for a package */ PM_TRANS_EVT_DISKSPACE_DONE, } pmtransevt_t; /** Transaction Conversations (ie, questions) */ typedef enum _pmtransconv_t { PM_TRANS_CONV_INSTALL_IGNOREPKG = 1, PM_TRANS_CONV_REPLACE_PKG = (1 << 1), PM_TRANS_CONV_CONFLICT_PKG = (1 << 2), PM_TRANS_CONV_CORRUPTED_PKG = (1 << 3), PM_TRANS_CONV_LOCAL_NEWER = (1 << 4), PM_TRANS_CONV_REMOVE_PKGS = (1 << 5), PM_TRANS_CONV_SELECT_PROVIDER = (1 << 6), } pmtransconv_t; /** Transaction Progress */ typedef enum _pmtransprog_t { PM_TRANS_PROGRESS_ADD_START, PM_TRANS_PROGRESS_UPGRADE_START, PM_TRANS_PROGRESS_REMOVE_START, PM_TRANS_PROGRESS_CONFLICTS_START, PM_TRANS_PROGRESS_DISKSPACE_START, PM_TRANS_PROGRESS_INTEGRITY_START, } pmtransprog_t; /** Transaction Event callback */ typedef void (*alpm_trans_cb_event)(pmtransevt_t, void *, void *); /** Transaction Conversation callback */ typedef void (*alpm_trans_cb_conv)(pmtransconv_t, void *, void *, void *, int *); /** Transaction Progress callback */ typedef void (*alpm_trans_cb_progress)(pmtransprog_t, const char *, int, size_t, size_t); /** Returns the bitfield of flags for the current transaction. * @param handle the context handle * @return the bitfield of transaction flags */ pmtransflag_t alpm_trans_get_flags(pmhandle_t *handle); /** Returns a list of packages added by the transaction. * @param handle the context handle * @return a list of pmpkg_t structures */ alpm_list_t * alpm_trans_get_add(pmhandle_t *handle); /** Returns the list of packages removed by the transaction. * @param handle the context handle * @return a list of pmpkg_t structures */ alpm_list_t * alpm_trans_get_remove(pmhandle_t *handle); /** Initialize the transaction. * @param handle the context handle * @param flags flags of the transaction (like nodeps, etc) * @param event event callback function pointer * @param conv question callback function pointer * @param progress progress callback function pointer * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_trans_init(pmhandle_t *handle, pmtransflag_t flags, alpm_trans_cb_event cb_event, alpm_trans_cb_conv conv, alpm_trans_cb_progress cb_progress); /** Prepare a transaction. * @param handle the context handle * @param data the address of an alpm_list where a list * of pmdepmissing_t objects is dumped (conflicting packages) * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_trans_prepare(pmhandle_t *handle, alpm_list_t **data); /** Commit a transaction. * @param handle the context handle * @param data the address of an alpm_list where detailed description * of an error can be dumped (ie. list of conflicting files) * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_trans_commit(pmhandle_t *handle, alpm_list_t **data); /** Interrupt a transaction. * @param handle the context handle * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_trans_interrupt(pmhandle_t *handle); /** Release a transaction. * @param handle the context handle * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_trans_release(pmhandle_t *handle); /** @} */ /** @name Common Transactions */ /** @{ */ /** Search for packages to upgrade and add them to the transaction. * @param handle the context handle * @param enable_downgrade allow downgrading of packages if the remote version is lower * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_sync_sysupgrade(pmhandle_t *handle, int enable_downgrade); /** Add a package to the transaction. * If the package was loaded by alpm_pkg_load(), it will be freed upon * alpm_trans_release() invocation. * @param handle the context handle * @param pkg the package to add * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_add_pkg(pmhandle_t *handle, pmpkg_t *pkg); /** Add a package removal action to the transaction. * @param handle the context handle * @param pkg the package to uninstall * @return 0 on success, -1 on error (pm_errno is set accordingly) */ int alpm_remove_pkg(pmhandle_t *handle, pmpkg_t *pkg); /** @} */ /** @addtogroup alpm_api_depends Dependency Functions * Functions dealing with libalpm representation of dependency * information. * @{ */ alpm_list_t *alpm_checkdeps(pmhandle_t *handle, alpm_list_t *pkglist, alpm_list_t *remove, alpm_list_t *upgrade, int reversedeps); pmpkg_t *alpm_find_satisfier(alpm_list_t *pkgs, const char *depstring); pmpkg_t *alpm_find_dbs_satisfier(pmhandle_t *handle, alpm_list_t *dbs, const char *depstring); alpm_list_t *alpm_checkconflicts(pmhandle_t *handle, alpm_list_t *pkglist); /** Returns a newly allocated string representing the dependency information. * @param dep a dependency info structure * @return a formatted string, e.g. "glibc>=2.12" */ char *alpm_dep_compute_string(const pmdepend_t *dep); /** @} */ /** @} */ /* * Helpers */ /* checksums */ char *alpm_compute_md5sum(const char *name); /** @addtogroup alpm_api_errors Error Codes * @{ */ enum _pmerrno_t { PM_ERR_MEMORY = 1, PM_ERR_SYSTEM, PM_ERR_BADPERMS, PM_ERR_NOT_A_FILE, PM_ERR_NOT_A_DIR, PM_ERR_WRONG_ARGS, PM_ERR_DISK_SPACE, /* Interface */ PM_ERR_HANDLE_NULL, PM_ERR_HANDLE_NOT_NULL, PM_ERR_HANDLE_LOCK, /* Databases */ PM_ERR_DB_OPEN, PM_ERR_DB_CREATE, PM_ERR_DB_NULL, PM_ERR_DB_NOT_NULL, PM_ERR_DB_NOT_FOUND, PM_ERR_DB_INVALID, PM_ERR_DB_VERSION, PM_ERR_DB_WRITE, PM_ERR_DB_REMOVE, /* Servers */ PM_ERR_SERVER_BAD_URL, PM_ERR_SERVER_NONE, /* Transactions */ PM_ERR_TRANS_NOT_NULL, PM_ERR_TRANS_NULL, PM_ERR_TRANS_DUP_TARGET, PM_ERR_TRANS_NOT_INITIALIZED, PM_ERR_TRANS_NOT_PREPARED, PM_ERR_TRANS_ABORT, PM_ERR_TRANS_TYPE, PM_ERR_TRANS_NOT_LOCKED, /* Packages */ PM_ERR_PKG_NOT_FOUND, PM_ERR_PKG_IGNORED, PM_ERR_PKG_INVALID, PM_ERR_PKG_OPEN, PM_ERR_PKG_CANT_REMOVE, PM_ERR_PKG_INVALID_NAME, PM_ERR_PKG_INVALID_ARCH, PM_ERR_PKG_REPO_NOT_FOUND, /* Signatures */ PM_ERR_SIG_MISSINGDIR, PM_ERR_SIG_INVALID, PM_ERR_SIG_UNKNOWN, /* Deltas */ PM_ERR_DLT_INVALID, PM_ERR_DLT_PATCHFAILED, /* Dependencies */ PM_ERR_UNSATISFIED_DEPS, PM_ERR_CONFLICTING_DEPS, PM_ERR_FILE_CONFLICTS, /* Misc */ PM_ERR_RETRIEVE, PM_ERR_INVALID_REGEX, /* External library errors */ PM_ERR_LIBARCHIVE, PM_ERR_LIBCURL, PM_ERR_EXTERNAL_DOWNLOAD, PM_ERR_GPGME }; /** Returns the current error code from the handle. */ enum _pmerrno_t alpm_errno(pmhandle_t *handle); /** Returns the string corresponding to an error number. */ const char *alpm_strerror(enum _pmerrno_t err); /* End of alpm_api_errors */ /** @} */ pmhandle_t *alpm_initialize(const char *root, const char *dbpath, enum _pmerrno_t *err); int alpm_release(pmhandle_t *handle); const char *alpm_version(void); /* End of alpm_api */ /** @} */ #ifdef __cplusplus } #endif #endif /* _ALPM_H */ /* vim: set ts=2 sw=2 noet: */