#include <stdlib.h>#include <errno.h>#include <string.h>#include <limits.h>#include <dirent.h>#include <regex.h>#include <unistd.h>#include <sys/stat.h>#include <sys/types.h>#include "remove.h"#include "alpm_list.h"#include "alpm.h"#include "trans.h"#include "util.h"#include "log.h"#include "backup.h"#include "package.h"#include "db.h"#include "deps.h"#include "handle.h"#include "filelist.h"
Functions | |
| int | alpm_remove_pkg (alpm_handle_t *handle, alpm_pkg_t *pkg) |
| Add a package removal to the transaction. | |
| static int | remove_prepare_cascade (alpm_handle_t *handle, alpm_list_t *lp) |
| Add dependencies to the removal transaction for cascading. | |
| static void | remove_prepare_keep_needed (alpm_handle_t *handle, alpm_list_t *lp) |
| Remove needed packages from the removal transaction. | |
| static void | remove_notify_needed_optdepends (alpm_handle_t *handle, alpm_list_t *lp) |
| Send a callback for any optdepend being removed. | |
| static int | dir_is_mountpoint (alpm_handle_t *handle, const char *directory, const struct stat *stbuf) |
| Test if a directory is being used as a mountpoint. | |
| static int | can_remove_file (alpm_handle_t *handle, const alpm_file_t *file) |
| Check if alpm can delete a file. | |
| static void | shift_pacsave (alpm_handle_t *handle, const char *file) |
| static int | unlink_file (alpm_handle_t *handle, alpm_pkg_t *oldpkg, alpm_pkg_t *newpkg, const alpm_file_t *fileobj, int nosave) |
| Unlink a package file, backing it up if necessary. | |
| static int | should_skip_file (alpm_handle_t *handle, alpm_pkg_t *newpkg, const char *path) |
| Check if a package file should be removed. | |
| static int | remove_package_files (alpm_handle_t *handle, alpm_pkg_t *oldpkg, alpm_pkg_t *newpkg, size_t targ_count, size_t pkg_count) |
| Remove a package's files, optionally skipping its replacement's files. | |
Function Documentation
◆ can_remove_file()
|
static |
Check if alpm can delete a file.
- Parameters
-
handle the context handle file file to be removed
- Returns
- 1 if the file can be deleted, 0 if it cannot be deleted
References _, ALPM_LOG_ERROR, dir_is_mountpoint(), and alpm_file_t::name.
Referenced by remove_package_files().
◆ dir_is_mountpoint()
|
static |
Test if a directory is being used as a mountpoint.
- Parameters
-
handle context handle directory path to test, must be absolute and include trailing '/' stbuf stat result for directory, may be NULL
- Returns
- 0 if directory is not a mountpoint or on error, 1 if directory is a mountpoint
References ALPM_LOG_DEBUG.
Referenced by can_remove_file(), and unlink_file().
◆ remove_notify_needed_optdepends()
|
static |
Send a callback for any optdepend being removed.
- Parameters
-
handle the context handle lp list of packages to be removed
References alpm_dep_compute_string(), ALPM_EVENT_OPTDEP_REMOVAL, alpm_find_satisfier(), alpm_list_next(), alpm_pkg_find(), alpm_pkg_get_optdepends(), alpm_list_t::data, EVENT, and alpm_event_optdep_removal_t::type.
◆ remove_package_files()
|
static |
Remove a package's files, optionally skipping its replacement's files.
- Parameters
-
handle the context handle oldpkg package to remove newpkg package to replace oldpkg (optional) targ_count current index within the transaction (1-based) pkg_count the number of packages affected by the transaction
- Returns
- 0 on success, -1 if alpm lacks permission to delete some of the files, >0 the number of files alpm was unable to delete
References ALPM_ERR_PKG_CANT_REMOVE, ALPM_LOG_DEBUG, alpm_pkg_get_files(), ALPM_PROGRESS_REMOVE_START, ALPM_TRANS_FLAG_NOSAVE, can_remove_file(), alpm_filelist_t::count, alpm_filelist_t::files, alpm_file_t::name, PROGRESS, RET_ERR, should_skip_file(), and unlink_file().
◆ remove_prepare_cascade()
|
static |
Add dependencies to the removal transaction for cascading.
- Parameters
-
handle the context handle lp list of missing dependencies caused by the removal transaction
- Returns
- 0 on success, -1 on error
References _, alpm_checkdeps(), alpm_depmissing_free(), alpm_list_add(), alpm_list_free(), alpm_list_free_inner(), ALPM_LOG_DEBUG, ALPM_LOG_ERROR, alpm_pkg_find(), alpm_list_t::data, alpm_list_t::next, alpm_trans_t::remove, and alpm_depmissing_t::target.
◆ remove_prepare_keep_needed()
|
static |
Remove needed packages from the removal transaction.
- Parameters
-
handle the context handle lp list of missing dependencies caused by the removal transaction
References _, alpm_checkdeps(), alpm_depmissing_free(), alpm_list_free(), alpm_list_free_inner(), alpm_list_remove(), ALPM_LOG_WARNING, alpm_pkg_find(), alpm_depmissing_t::causingpkg, alpm_list_t::data, alpm_list_t::next, and alpm_trans_t::remove.
◆ shift_pacsave()
|
static |
References _, and ALPM_LOG_ERROR.
Referenced by unlink_file().
◆ should_skip_file()
|
static |
Check if a package file should be removed.
- Parameters
-
handle the context handle newpkg the package replacing the current owner of path path file to be removed
- Returns
- 1 if the file should be skipped, 0 if it should be removed
References alpm_filelist_contains(), alpm_list_find_str(), and alpm_pkg_get_files().
Referenced by remove_package_files().
◆ unlink_file()
|
static |
Unlink a package file, backing it up if necessary.
- Parameters
-
handle the context handle oldpkg the package being removed newpkg the package replacing oldpkg fileobj file to remove nosave whether files should be backed up
- Returns
- 0 on success, -1 if there was an error unlinking the file, 1 if the file was skipped or did not exist
References _, ALPM_CALLER_PREFIX, alpm_compute_md5sum(), ALPM_ERR_MEMORY, ALPM_EVENT_PACSAVE_CREATED, alpm_filelist_contains(), ALPM_LOG_DEBUG, ALPM_LOG_ERROR, alpm_logaction(), alpm_pkg_get_files(), alpm_list_t::data, dir_is_mountpoint(), EVENT, FREE, alpm_backup_t::hash, MALLOC, alpm_file_t::name, alpm_list_t::next, RET_ERR, shift_pacsave(), and alpm_event_pacsave_created_t::type.
Referenced by remove_package_files().
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