/* alpm_list_t * alpm_trans_get_remove(); */
int lalpm_trans_get_remove(lua_State *L)
{
alpm_list_t *list = alpm_trans_get_remove();
alpm_list_to_any_table(L, list, PMPKG_T);
return 1;
}
void display_targets(void)
{
alpm_list_t *i, *targets = NULL;
alpm_db_t *db_local = alpm_get_localdb(config->handle);
for(i = alpm_trans_get_add(config->handle); i; i = alpm_list_next(i)) {
alpm_pkg_t *pkg = i->data;
pm_target_t *targ = calloc(1, sizeof(pm_target_t));
if(!targ) return;
targ->install = pkg;
targ->remove = alpm_db_get_pkg(db_local, alpm_pkg_get_name(pkg));
if(alpm_list_find(config->explicit_adds, pkg, pkg_cmp)) {
targ->is_explicit = 1;
}
targets = alpm_list_add(targets, targ);
}
for(i = alpm_trans_get_remove(config->handle); i; i = alpm_list_next(i)) {
alpm_pkg_t *pkg = i->data;
pm_target_t *targ = calloc(1, sizeof(pm_target_t));
if(!targ) return;
targ->remove = pkg;
if(alpm_list_find(config->explicit_removes, pkg, pkg_cmp)) {
targ->is_explicit = 1;
}
targets = alpm_list_add(targets, targ);
}
targets = alpm_list_msort(targets, alpm_list_count(targets), target_cmp);
_display_targets(targets, config->verbosepkglists);
FREELIST(targets);
}
static PyObject *pyalpm_trans_get_remove(PyObject *self, void *closure)
{
alpm_handle_t *handle = ALPM_HANDLE(self);
alpm_list_t *to_remove;
/* sanity check */
int flags = alpm_trans_get_flags(handle);
if (flags == -1) RET_ERR("no transaction defined", alpm_errno(handle), NULL);
to_remove = alpm_trans_get_remove(handle);
return alpmlist_to_pylist(to_remove, pyalpm_package_from_pmpkg);
}
void
pk_backend_transaction_packages (PkBackend *self)
{
const alpm_list_t *i;
PkInfoEnum info;
g_return_if_fail (self != NULL);
g_return_if_fail (alpm != NULL);
g_return_if_fail (localdb != NULL);
/* emit packages that would have been installed */
for (i = alpm_trans_get_add (alpm); i != NULL; i = i->next) {
if (pk_backend_cancelled (self)) {
break;
} else {
const gchar *name = alpm_pkg_get_name (i->data);
if (alpm_db_get_pkg (localdb, name) != NULL) {
info = PK_INFO_ENUM_UPDATING;
} else {
info = PK_INFO_ENUM_INSTALLING;
}
pk_backend_pkg (self, i->data, info);
}
}
switch (pk_backend_job_get_role (self)) {
case PK_ROLE_ENUM_SIMULATE_UPDATE_PACKAGES:
info = PK_INFO_ENUM_OBSOLETING;
break;
default:
info = PK_INFO_ENUM_REMOVING;
break;
}
/* emit packages that would have been removed */
for (i = alpm_trans_get_remove (alpm); i != NULL; i = i->next) {
if (pk_backend_cancelled (self)) {
break;
} else {
pk_backend_pkg (self, i->data, info);
}
}
}
static gboolean
pk_alpm_transaction_remove_simulate (PkBackendJob *job, GError **error)
{
PkBackend *backend = pk_backend_job_get_backend (job);
PkBackendAlpmPrivate *priv = pk_backend_get_user_data (backend);
const alpm_list_t *i;
if (!pk_alpm_transaction_simulate (job, error))
return FALSE;
for (i = alpm_trans_get_remove (priv->alpm); i != NULL; i = i->next) {
const gchar *name = alpm_pkg_get_name (i->data);
if (alpm_list_find_str (priv->holdpkgs, name)) {
g_set_error (error, PK_ALPM_ERROR, PK_ALPM_ERR_PKG_HELD,
"%s: %s", name,
"could not remove HoldPkg");
return FALSE;
}
}
return TRUE;
}
/**
* @brief Upgrade a specified list of packages.
*
* @param targets a list of packages (as strings) to upgrade
*
* @return 0 on success, 1 on failure
*/
int pacman_upgrade(alpm_list_t *targets)
{
alpm_list_t *i, *data = NULL;
pgp_verify_t check_sig = alpm_option_get_default_sigverify(config->handle);
int retval = 0;
if(targets == NULL) {
pm_printf(PM_LOG_ERROR, _("no targets specified (use -h for help)\n"));
return 1;
}
/* Check for URL targets and process them
*/
for(i = targets; i; i = alpm_list_next(i)) {
if(strstr(i->data, "://")) {
char *str = alpm_fetch_pkgurl(config->handle, i->data);
if(str == NULL) {
pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n",
(char *)i->data, alpm_strerror(alpm_errno(config->handle)));
return 1;
} else {
free(i->data);
i->data = str;
}
}
}
/* Step 1: create a new transaction */
if(trans_init(config->flags) == -1) {
return 1;
}
/* add targets to the created transaction */
for(i = targets; i; i = alpm_list_next(i)) {
char *targ = alpm_list_getdata(i);
pmpkg_t *pkg;
if(alpm_pkg_load(config->handle, targ, 1, check_sig, &pkg) != 0) {
pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n",
targ, alpm_strerror(alpm_errno(config->handle)));
trans_release();
return 1;
}
if(alpm_add_pkg(config->handle, pkg) == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n",
targ, alpm_strerror(alpm_errno(config->handle)));
alpm_pkg_free(pkg);
trans_release();
return 1;
}
}
/* Step 2: "compute" the transaction based on targets and flags */
/* TODO: No, compute nothing. This is stupid. */
if(alpm_trans_prepare(config->handle, &data) == -1) {
enum _pmerrno_t err = alpm_errno(config->handle);
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to prepare transaction (%s)\n"),
alpm_strerror(err));
switch(err) {
case PM_ERR_PKG_INVALID_ARCH:
for(i = data; i; i = alpm_list_next(i)) {
char *pkg = alpm_list_getdata(i);
printf(_(":: package %s does not have a valid architecture\n"), pkg);
}
break;
case PM_ERR_UNSATISFIED_DEPS:
for(i = data; i; i = alpm_list_next(i)) {
pmdepmissing_t *miss = alpm_list_getdata(i);
char *depstring = alpm_dep_compute_string(miss->depend);
/* TODO indicate if the error was a virtual package or not:
* :: %s: requires %s, provided by %s
*/
printf(_(":: %s: requires %s\n"), miss->target, depstring);
free(depstring);
}
break;
case PM_ERR_CONFLICTING_DEPS:
for(i = data; i; i = alpm_list_next(i)) {
pmconflict_t *conflict = alpm_list_getdata(i);
if(strcmp(conflict->package1, conflict->reason) == 0 ||
strcmp(conflict->package2, conflict->reason) == 0) {
printf(_(":: %s and %s are in conflict\n"),
conflict->package1, conflict->package2);
} else {
printf(_(":: %s and %s are in conflict (%s)\n"),
conflict->package1, conflict->package2, conflict->reason);
}
}
break;
default:
break;
}
trans_release();
FREELIST(data);
return 1;
}
/* Step 3: perform the installation */
alpm_list_t *packages = alpm_trans_get_add(config->handle);
if(config->print) {
print_packages(packages);
trans_release();
return 0;
}
/* print targets and ask user confirmation */
if(packages == NULL) { /* we are done */
printf(_(" there is nothing to do\n"));
trans_release();
return retval;
}
display_targets(alpm_trans_get_remove(config->handle), 0);
display_targets(alpm_trans_get_add(config->handle), 1);
printf("\n");
int confirm = yesno(_("Proceed with installation?"));
if(!confirm) {
trans_release();
return retval;
}
if(alpm_trans_commit(config->handle, &data) == -1) {
enum _pmerrno_t err = alpm_errno(config->handle);
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to commit transaction (%s)\n"),
alpm_strerror(err));
switch(err) {
case PM_ERR_FILE_CONFLICTS:
for(i = data; i; i = alpm_list_next(i)) {
pmfileconflict_t *conflict = alpm_list_getdata(i);
switch(conflict->type) {
case PM_FILECONFLICT_TARGET:
printf(_("%s exists in both '%s' and '%s'\n"),
conflict->file, conflict->target, conflict->ctarget);
break;
case PM_FILECONFLICT_FILESYSTEM:
printf(_("%s: %s exists in filesystem\n"),
conflict->target, conflict->file);
break;
}
}
break;
case PM_ERR_PKG_INVALID:
case PM_ERR_DLT_INVALID:
for(i = data; i; i = alpm_list_next(i)) {
char *filename = alpm_list_getdata(i);
printf(_("%s is invalid or corrupted\n"), filename);
}
break;
default:
break;
}
FREELIST(data);
trans_release();
return 1;
}
if(trans_release() == -1) {
retval = 1;
}
return retval;
}
/**
* @brief Remove a specified list of packages.
*
* @param targets a list of packages (as strings) to remove from the system
*
* @return 0 on success, 1 on failure
*/
int pacman_remove(alpm_list_t *targets)
{
int retval = 0;
alpm_list_t *i, *data = NULL;
if(targets == NULL) {
pm_printf(ALPM_LOG_ERROR, _("no targets specified (use -h for help)\n"));
return 1;
}
/* Step 0: create a new transaction */
if(trans_init(config->flags, 0) == -1) {
return 1;
}
/* Step 1: add targets to the created transaction */
for(i = targets; i; i = alpm_list_next(i)) {
char *target = i->data;
if(strncmp(target, "local/", 6) == 0) {
target += 6;
}
if(remove_target(target) == -1) {
retval = 1;
}
}
if(retval == 1) {
goto cleanup;
}
/* Step 2: prepare the transaction based on its type, targets and flags */
if(alpm_trans_prepare(config->handle, &data) == -1) {
alpm_errno_t err = alpm_errno(config->handle);
pm_printf(ALPM_LOG_ERROR, _("failed to prepare transaction (%s)\n"),
alpm_strerror(err));
switch(err) {
case ALPM_ERR_UNSATISFIED_DEPS:
for(i = data; i; i = alpm_list_next(i)) {
alpm_depmissing_t *miss = i->data;
char *depstring = alpm_dep_compute_string(miss->depend);
colon_printf(_("%s: requires %s\n"), miss->target, depstring);
free(depstring);
alpm_depmissing_free(miss);
}
break;
default:
break;
}
alpm_list_free(data);
retval = 1;
goto cleanup;
}
/* Search for holdpkg in target list */
int holdpkg = 0;
for(i = alpm_trans_get_remove(config->handle); i; i = alpm_list_next(i)) {
alpm_pkg_t *pkg = i->data;
if(alpm_list_find(config->holdpkg, alpm_pkg_get_name(pkg), fnmatch_cmp)) {
pm_printf(ALPM_LOG_WARNING, _("%s is designated as a HoldPkg.\n"),
alpm_pkg_get_name(pkg));
holdpkg = 1;
}
}
if(holdpkg && (noyes(_("HoldPkg was found in target list. Do you want to continue?")) == 0)) {
retval = 1;
goto cleanup;
}
/* Step 3: actually perform the removal */
alpm_list_t *pkglist = alpm_trans_get_remove(config->handle);
if(pkglist == NULL) {
printf(_(" there is nothing to do\n"));
goto cleanup; /* we are done */
}
if(config->print) {
print_packages(pkglist);
goto cleanup;
}
/* print targets and ask user confirmation */
display_targets();
printf("\n");
if(yesno(_("Do you want to remove these packages?")) == 0) {
retval = 1;
goto cleanup;
}
if(alpm_trans_commit(config->handle, &data) == -1) {
pm_printf(ALPM_LOG_ERROR, _("failed to commit transaction (%s)\n"),
alpm_strerror(alpm_errno(config->handle)));
retval = 1;
}
FREELIST(data);
/* Step 4: release transaction resources */
cleanup:
if(trans_release() == -1) {
retval = 1;
}
return retval;
}
/**
* pacman_transaction_get_removes:
* @transaction: A #PacmanTransaction.
*
* Gets a list of the packages that will be removed when @transaction is committed.
*
* Returns: A list of #PacmanPackage. Do not free.
*/
const PacmanList *pacman_transaction_get_removes (PacmanTransaction *transaction) {
g_return_val_if_fail (transaction != NULL, NULL);
return alpm_trans_get_remove ();
}
