/**
* Import a key defined by a fingerprint into the local keyring.
* @param handle the context handle
* @param fpr the fingerprint key ID to import
* @return 0 on success, -1 on error
*/
int _alpm_key_import(alpm_handle_t *handle, const char *fpr)
{
int answer = 0, ret = -1;
alpm_pgpkey_t fetch_key;
memset(&fetch_key, 0, sizeof(fetch_key));
if(key_search(handle, fpr, &fetch_key) == 1) {
_alpm_log(handle, ALPM_LOG_DEBUG,
"unknown key, found %s on keyserver\n", fetch_key.uid);
if(!_alpm_access(handle, handle->gpgdir, "pubring.gpg", W_OK)) {
QUESTION(handle, ALPM_QUESTION_IMPORT_KEY,
&fetch_key, NULL, NULL, &answer);
if(answer) {
if(key_import(handle, &fetch_key) == 0) {
ret = 0;
} else {
_alpm_log(handle, ALPM_LOG_ERROR,
_("key \"%s\" could not be imported\n"), fetch_key.uid);
}
}
} else {
/* keyring directory was not writable, so we don't even try */
_alpm_log(handle, ALPM_LOG_WARNING,
_("key %s, \"%s\" found on keyserver, keyring is not writable\n"),
fetch_key.fingerprint, fetch_key.uid);
}
} else {
_alpm_log(handle, ALPM_LOG_ERROR,
_("key \"%s\" could not be looked up remotely\n"), fpr);
}
gpgme_key_unref(fetch_key.data);
return ret;
}
/** Find group members across a list of databases.
* If a member exists in several databases, only the first database is used.
* IgnorePkg is also handled.
* @param dbs the list of alpm_db_t *
* @pram name the name of the group
* @return the list of alpm_pkg_t * (caller is responsible for alpm_list_free)
*/
alpm_list_t SYMEXPORT *alpm_find_group_pkgs(alpm_list_t *dbs,
const char *name)
{
alpm_list_t *i, *j, *pkgs = NULL, *ignorelist = NULL;
for(i = dbs; i; i = i->next) {
alpm_db_t *db = i->data;
alpm_group_t *grp = alpm_db_readgroup(db, name);
if(!grp)
continue;
for(j = grp->packages; j; j = j->next) {
alpm_pkg_t *pkg = j->data;
if(_alpm_pkg_find(ignorelist, alpm_pkg_get_name(pkg))) {
continue;
}
if(_alpm_pkg_should_ignore(db->handle, pkg)) {
ignorelist = alpm_list_add(ignorelist, pkg);
int install = 0;
QUESTION(db->handle->trans, ALPM_TRANS_CONV_INSTALL_IGNOREPKG, pkg,
NULL, NULL, &install);
if(!install)
continue;
}
if(!_alpm_pkg_find(pkgs, alpm_pkg_get_name(pkg))) {
pkgs = alpm_list_add(pkgs, pkg);
}
}
}
alpm_list_free(ignorelist);
return pkgs;
}
void MyWriteMsg::reject()
{
try
{
if (self->plainTextEdit->toPlainText().trimmed().isEmpty())
{
QDialog::reject();
return;
}
if (QUESTION(utf8("提醒"), utf8("是否存为草稿？")) == QMessageBox::No)
{
QDialog::reject();
return;
}
Message msg;
msg.setContent(self->plainTextEdit->toPlainText());
msg.setTime(QDateTime::currentDateTime());
msg.setType(Message::DRAFT);
MessageService * msgServer = new MessageService;
msgServer->saveMsg(msg);
delete msgServer;
QDialog::reject();
}
CATCH_BLOCKS
}
/**
* Prompts to delete the file now that we know it is invalid.
* @param handle the context handle
* @param filename the absolute path of the file to test
* @param reason an error code indicating the reason for package invalidity
*
* @return 1 if file was removed, 0 otherwise
*/
static int prompt_to_delete(alpm_handle_t *handle, const char *filepath,
alpm_errno_t reason)
{
int doremove = 0;
QUESTION(handle, ALPM_QUESTION_CORRUPTED_PKG, (char *)filepath,
&reason, NULL, &doremove);
if(doremove) {
unlink(filepath);
}
return doremove;
}
/** Compares the md5sum of a file to the expected value.
*
* If the md5sum does not match, the user is asked whether the file
* should be deleted.
*
* @param trans the transaction
* @param filename the absolute path of the file to test
* @param md5sum the expected md5sum of the file
*
* @return 0 if the md5sum matched, 1 if not, -1 in case of errors
*/
static int test_md5sum(alpm_trans_t *trans, const char *filepath,
const char *md5sum)
{
int ret = _alpm_test_md5sum(filepath, md5sum);
if(ret == 1) {
int doremove = 0;
QUESTION(trans, ALPM_TRANS_CONV_CORRUPTED_PKG, (char *)filepath,
NULL, NULL, &doremove);
if(doremove) {
unlink(filepath);
}
}
return ret;
}
/** Find group members across a list of databases.
* If a member exists in several databases, only the first database is used.
* IgnorePkg is also handled.
* @param dbs the list of alpm_db_t *
* @param name the name of the group
* @return the list of alpm_pkg_t * (caller is responsible for alpm_list_free)
*/
alpm_list_t SYMEXPORT *alpm_find_group_pkgs(alpm_list_t *dbs,
const char *name)
{
alpm_list_t *i, *j, *pkgs = NULL, *ignorelist = NULL;
for(i = dbs; i; i = i->next) {
alpm_db_t *db = i->data;
alpm_group_t *grp = alpm_db_get_group(db, name);
if(!grp)
continue;
for(j = grp->packages; j; j = j->next) {
alpm_pkg_t *pkg = j->data;
if(alpm_pkg_find(ignorelist, pkg->name)) {
continue;
}
if(alpm_pkg_should_ignore(db->handle, pkg)) {
alpm_question_install_ignorepkg_t question = {
.type = ALPM_QUESTION_INSTALL_IGNOREPKG,
.install = 0,
.pkg = pkg
};
ignorelist = alpm_list_add(ignorelist, pkg);
QUESTION(db->handle, &question);
if(!question.install)
continue;
}
if(!alpm_pkg_find(pkgs, pkg->name)) {
pkgs = alpm_list_add(pkgs, pkg);
}
}
}
alpm_list_free(ignorelist);
return pkgs;
}
int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
{
alpm_list_t *i, *j;
alpm_list_t *deps = NULL;
alpm_list_t *unresolvable = NULL;
int from_sync = 0;
int ret = 0;
alpm_trans_t *trans = handle->trans;
alpm_event_t event;
if(data) {
*data = NULL;
}
for(i = trans->add; i; i = i->next) {
alpm_pkg_t *spkg = i->data;
if (spkg->origin == ALPM_PKG_FROM_SYNCDB){
from_sync = 1;
break;
}
}
/* ensure all sync database are valid if we will be using them */
for(i = handle->dbs_sync; i; i = i->next) {
const alpm_db_t *db = i->data;
if(db->status & DB_STATUS_INVALID) {
RET_ERR(handle, ALPM_ERR_DB_INVALID, -1);
}
/* missing databases are not allowed if we have sync targets */
if(from_sync && db->status & DB_STATUS_MISSING) {
RET_ERR(handle, ALPM_ERR_DB_NOT_FOUND, -1);
}
}
if(!(trans->flags & ALPM_TRANS_FLAG_NODEPS)) {
alpm_list_t *resolved = NULL;
alpm_list_t *remove = alpm_list_copy(trans->remove);
alpm_list_t *localpkgs;
/* Build up list by repeatedly resolving each transaction package */
/* Resolve targets dependencies */
event.type = ALPM_EVENT_RESOLVEDEPS_START;
EVENT(handle, &event);
_alpm_log(handle, ALPM_LOG_DEBUG, "resolving target's dependencies\n");
/* build remove list for resolvedeps */
for(i = trans->add; i; i = i->next) {
alpm_pkg_t *spkg = i->data;
for(j = spkg->removes; j; j = j->next) {
remove = alpm_list_add(remove, j->data);
}
}
/* Compute the fake local database for resolvedeps (partial fix for the
* phonon/qt issue) */
localpkgs = alpm_list_diff(_alpm_db_get_pkgcache(handle->db_local),
trans->add, _alpm_pkg_cmp);
/* Resolve packages in the transaction one at a time, in addition
building up a list of packages which could not be resolved. */
for(i = trans->add; i; i = i->next) {
alpm_pkg_t *pkg = i->data;
if(_alpm_resolvedeps(handle, localpkgs, pkg, trans->add,
&resolved, remove, data) == -1) {
unresolvable = alpm_list_add(unresolvable, pkg);
}
/* Else, [resolved] now additionally contains [pkg] and all of its
dependencies not already on the list */
}
alpm_list_free(localpkgs);
alpm_list_free(remove);
/* If there were unresolvable top-level packages, prompt the user to
see if they'd like to ignore them rather than failing the sync */
if(unresolvable != NULL) {
alpm_question_remove_pkgs_t question = {
.type = ALPM_QUESTION_REMOVE_PKGS,
.skip = 0,
.packages = unresolvable
};
QUESTION(handle, &question);
if(question.skip) {
/* User wants to remove the unresolvable packages from the
transaction. The packages will be removed from the actual
transaction when the transaction packages are replaced with a
dependency-reordered list below */
handle->pm_errno = 0;
if(data) {
alpm_list_free_inner(*data,
(alpm_list_fn_free)alpm_depmissing_free);
alpm_list_free(*data);
*data = NULL;
}
} else {
/* pm_errno was set by resolvedeps, callback may have overwrote it */
handle->pm_errno = ALPM_ERR_UNSATISFIED_DEPS;
alpm_list_free(resolved);
alpm_list_free(unresolvable);
ret = -1;
goto cleanup;
}
}
/* Set DEPEND reason for pulled packages */
for(i = resolved; i; i = i->next) {
alpm_pkg_t *pkg = i->data;
if(!alpm_pkg_find(trans->add, pkg->name)) {
pkg->reason = ALPM_PKG_REASON_DEPEND;
}
}
/* Unresolvable packages will be removed from the target list; set these
* aside in the transaction as a list we won't operate on. If we free them
* before the end of the transaction, we may kill pointers the frontend
* holds to package objects. */
trans->unresolvable = unresolvable;
alpm_list_free(trans->add);
trans->add = resolved;
event.type = ALPM_EVENT_RESOLVEDEPS_DONE;
EVENT(handle, &event);
}
static alpm_list_t *check_replacers(alpm_handle_t *handle, alpm_pkg_t *lpkg,
alpm_db_t *sdb)
{
/* 2. search for replacers in sdb */
alpm_list_t *replacers = NULL;
alpm_list_t *k;
_alpm_log(handle, ALPM_LOG_DEBUG,
"searching for replacements for %s in %s\n",
lpkg->name, sdb->treename);
for(k = _alpm_db_get_pkgcache(sdb); k; k = k->next) {
int found = 0;
alpm_pkg_t *spkg = k->data;
alpm_list_t *l;
for(l = alpm_pkg_get_replaces(spkg); l; l = l->next) {
alpm_depend_t *replace = l->data;
/* we only want to consider literal matches at this point. */
if(_alpm_depcmp_literal(lpkg, replace)) {
found = 1;
break;
}
}
if(found) {
alpm_question_replace_t question = {
.type = ALPM_QUESTION_REPLACE_PKG,
.replace = 0,
.oldpkg = lpkg,
.newpkg = spkg,
.newdb = sdb
};
alpm_pkg_t *tpkg;
/* check IgnorePkg/IgnoreGroup */
if(alpm_pkg_should_ignore(handle, spkg)
|| alpm_pkg_should_ignore(handle, lpkg)) {
_alpm_log(handle, ALPM_LOG_WARNING,
_("ignoring package replacement (%s-%s => %s-%s)\n"),
lpkg->name, lpkg->version, spkg->name, spkg->version);
continue;
}
QUESTION(handle, &question);
if(!question.replace) {
continue;
}
/* If spkg is already in the target list, we append lpkg to spkg's
* removes list */
tpkg = alpm_pkg_find(handle->trans->add, spkg->name);
if(tpkg) {
/* sanity check, multiple repos can contain spkg->name */
if(tpkg->origin_data.db != sdb) {
_alpm_log(handle, ALPM_LOG_WARNING, _("cannot replace %s by %s\n"),
lpkg->name, spkg->name);
continue;
}
_alpm_log(handle, ALPM_LOG_DEBUG, "appending %s to the removes list of %s\n",
lpkg->name, tpkg->name);
tpkg->removes = alpm_list_add(tpkg->removes, lpkg);
/* check the to-be-replaced package's reason field */
if(alpm_pkg_get_reason(lpkg) == ALPM_PKG_REASON_EXPLICIT) {
tpkg->reason = ALPM_PKG_REASON_EXPLICIT;
}
} else {
/* add spkg to the target list */
/* copy over reason */
spkg->reason = alpm_pkg_get_reason(lpkg);
spkg->removes = alpm_list_add(NULL, lpkg);
_alpm_log(handle, ALPM_LOG_DEBUG,
"adding package %s-%s to the transaction targets\n",
spkg->name, spkg->version);
replacers = alpm_list_add(replacers, spkg);
}
}
}
return replacers;
}
/** Search for packages to upgrade and add them to the transaction. */
int SYMEXPORT alpm_sync_sysupgrade(alpm_handle_t *handle, int enable_downgrade)
{
alpm_list_t *i, *j;
alpm_trans_t *trans;
CHECK_HANDLE(handle, return -1);
trans = handle->trans;
ASSERT(trans != NULL, RET_ERR(handle, ALPM_ERR_TRANS_NULL, -1));
ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(handle, ALPM_ERR_TRANS_NOT_INITIALIZED, -1));
_alpm_log(handle, ALPM_LOG_DEBUG, "checking for package upgrades\n");
for(i = _alpm_db_get_pkgcache(handle->db_local); i; i = i->next) {
alpm_pkg_t *lpkg = i->data;
if(alpm_pkg_find(trans->remove, lpkg->name)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "%s is marked for removal -- skipping\n", lpkg->name);
continue;
}
if(alpm_pkg_find(trans->add, lpkg->name)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "%s is already in the target list -- skipping\n", lpkg->name);
continue;
}
/* Search for replacers then literal (if no replacer) in each sync database. */
for(j = handle->dbs_sync; j; j = j->next) {
alpm_db_t *sdb = j->data;
alpm_list_t *replacers;
if(!(sdb->usage & ALPM_DB_USAGE_UPGRADE)) {
continue;
}
/* Check sdb */
replacers = check_replacers(handle, lpkg, sdb);
if(replacers) {
trans->add = alpm_list_join(trans->add, replacers);
/* jump to next local package */
break;
} else {
alpm_pkg_t *spkg = _alpm_db_get_pkgfromcache(sdb, lpkg->name);
if(spkg) {
if(check_literal(handle, lpkg, spkg, enable_downgrade)) {
trans->add = alpm_list_add(trans->add, spkg);
}
/* jump to next local package */
break;
}
}
}
}
return 0;
}
/**
* helper function for resolvedeps: search for dep satisfier in dbs
*
* @param handle the context handle
* @param dep is the dependency to search for
* @param dbs are the databases to search
* @param excluding are the packages to exclude from the search
* @param prompt if true, will cause an unresolvable dependency to issue an
* interactive prompt asking whether the package should be removed from
* the transaction or the transaction aborted; if false, simply returns
* an error code without prompting
* @return the resolved package
**/
static pmpkg_t *resolvedep(pmhandle_t *handle, pmdepend_t *dep,
alpm_list_t *dbs, alpm_list_t *excluding, int prompt)
{
alpm_list_t *i, *j;
int ignored = 0;
alpm_list_t *providers = NULL;
int count;
/* 1. literals */
for(i = dbs; i; i = i->next) {
pmpkg_t *pkg = _alpm_db_get_pkgfromcache(i->data, dep->name);
if(pkg && _alpm_depcmp(pkg, dep) && !_alpm_pkg_find(excluding, pkg->name)) {
if(_alpm_pkg_should_ignore(handle, pkg)) {
int install = 0;
if(prompt) {
QUESTION(handle->trans, PM_TRANS_CONV_INSTALL_IGNOREPKG, pkg,
NULL, NULL, &install);
} else {
_alpm_log(handle, PM_LOG_WARNING, _("ignoring package %s-%s\n"), pkg->name, pkg->version);
}
if(!install) {
ignored = 1;
continue;
}
}
return pkg;
}
}
/* 2. satisfiers (skip literals here) */
for(i = dbs; i; i = i->next) {
for(j = _alpm_db_get_pkgcache(i->data); j; j = j->next) {
pmpkg_t *pkg = j->data;
if(_alpm_depcmp(pkg, dep) && strcmp(pkg->name, dep->name) != 0 &&
!_alpm_pkg_find(excluding, pkg->name)) {
if(_alpm_pkg_should_ignore(handle, pkg)) {
int install = 0;
if(prompt) {
QUESTION(handle->trans, PM_TRANS_CONV_INSTALL_IGNOREPKG,
pkg, NULL, NULL, &install);
} else {
_alpm_log(handle, PM_LOG_WARNING, _("ignoring package %s-%s\n"), pkg->name, pkg->version);
}
if(!install) {
ignored = 1;
continue;
}
}
_alpm_log(handle, PM_LOG_DEBUG, "provider found (%s provides %s)\n",
pkg->name, dep->name);
providers = alpm_list_add(providers, pkg);
/* keep looking for other providers in the all dbs */
}
}
}
/* first check if one provider is already installed locally */
for(i = providers; i; i = i->next) {
pmpkg_t *pkg = i->data;
if(_alpm_pkghash_find(_alpm_db_get_pkgcache_hash(handle->db_local), pkg->name)) {
alpm_list_free(providers);
return pkg;
}
}
count = alpm_list_count(providers);
if(count >= 1) {
/* default to first provider if there is no QUESTION callback */
int index = 0;
if(count > 1) {
/* if there is more than one provider, we ask the user */
QUESTION(handle->trans, PM_TRANS_CONV_SELECT_PROVIDER,
providers, dep, NULL, &index);
}
if(index >= 0 && index < count) {
pmpkg_t *pkg = alpm_list_getdata(alpm_list_nth(providers, index));
alpm_list_free(providers);
return pkg;
}
alpm_list_free(providers);
providers = NULL;
}
if(ignored) { /* resolvedeps will override these */
handle->pm_errno = PM_ERR_PKG_IGNORED;
} else {
handle->pm_errno = PM_ERR_PKG_NOT_FOUND;
}
return NULL;
}
/** Search for packages to upgrade and add them to the transaction. */
int SYMEXPORT alpm_sync_sysupgrade(alpm_handle_t *handle, int enable_downgrade)
{
alpm_list_t *i, *j, *k;
alpm_trans_t *trans;
alpm_db_t *db_local;
alpm_list_t *dbs_sync;
CHECK_HANDLE(handle, return -1);
trans = handle->trans;
db_local = handle->db_local;
dbs_sync = handle->dbs_sync;
ASSERT(trans != NULL, RET_ERR(handle, ALPM_ERR_TRANS_NULL, -1));
ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(handle, ALPM_ERR_TRANS_NOT_INITIALIZED, -1));
_alpm_log(handle, ALPM_LOG_DEBUG, "checking for package upgrades\n");
for(i = _alpm_db_get_pkgcache(db_local); i; i = i->next) {
alpm_pkg_t *lpkg = i->data;
if(_alpm_pkg_find(trans->add, lpkg->name)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "%s is already in the target list -- skipping\n", lpkg->name);
continue;
}
/* Search for literal then replacers in each sync database.
* If found, don't check other databases */
for(j = dbs_sync; j; j = j->next) {
alpm_db_t *sdb = j->data;
/* Check sdb */
alpm_pkg_t *spkg = _alpm_db_get_pkgfromcache(sdb, lpkg->name);
if(spkg) {
/* 1. literal was found in sdb */
int cmp = _alpm_pkg_compare_versions(spkg, lpkg);
if(cmp > 0) {
_alpm_log(handle, ALPM_LOG_DEBUG, "new version of '%s' found (%s => %s)\n",
lpkg->name, lpkg->version, spkg->version);
/* check IgnorePkg/IgnoreGroup */
if(_alpm_pkg_should_ignore(handle, spkg)
|| _alpm_pkg_should_ignore(handle, lpkg)) {
_alpm_log(handle, ALPM_LOG_WARNING, _("%s: ignoring package upgrade (%s => %s)\n"),
lpkg->name, lpkg->version, spkg->version);
} else {
_alpm_log(handle, ALPM_LOG_DEBUG, "adding package %s-%s to the transaction targets\n",
spkg->name, spkg->version);
trans->add = alpm_list_add(trans->add, spkg);
}
} else if(cmp < 0) {
if(enable_downgrade) {
/* check IgnorePkg/IgnoreGroup */
if(_alpm_pkg_should_ignore(handle, spkg)
|| _alpm_pkg_should_ignore(handle, lpkg)) {
_alpm_log(handle, ALPM_LOG_WARNING, _("%s: ignoring package downgrade (%s => %s)\n"),
lpkg->name, lpkg->version, spkg->version);
} else {
_alpm_log(handle, ALPM_LOG_WARNING, _("%s: downgrading from version %s to version %s\n"),
lpkg->name, lpkg->version, spkg->version);
trans->add = alpm_list_add(trans->add, spkg);
}
} else {
_alpm_log(handle, ALPM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)\n"),
lpkg->name, lpkg->version, sdb->treename, spkg->version);
}
}
/* jump to next local package */
break;
} else {
/* 2. search for replacers in sdb */
int found = 0;
for(k = _alpm_db_get_pkgcache(sdb); k; k = k->next) {
spkg = k->data;
if(alpm_list_find_str(alpm_pkg_get_replaces(spkg), lpkg->name)) {
found = 1;
/* check IgnorePkg/IgnoreGroup */
if(_alpm_pkg_should_ignore(handle, spkg)
|| _alpm_pkg_should_ignore(handle, lpkg)) {
_alpm_log(handle, ALPM_LOG_WARNING, _("ignoring package replacement (%s-%s => %s-%s)\n"),
lpkg->name, lpkg->version, spkg->name, spkg->version);
continue;
}
int doreplace = 0;
QUESTION(trans, ALPM_TRANS_CONV_REPLACE_PKG, lpkg, spkg, sdb->treename, &doreplace);
if(!doreplace) {
continue;
}
/* If spkg is already in the target list, we append lpkg to spkg's
* removes list */
alpm_pkg_t *tpkg = _alpm_pkg_find(trans->add, spkg->name);
if(tpkg) {
/* sanity check, multiple repos can contain spkg->name */
if(tpkg->origin_data.db != sdb) {
_alpm_log(handle, ALPM_LOG_WARNING, _("cannot replace %s by %s\n"),
lpkg->name, spkg->name);
continue;
}
_alpm_log(handle, ALPM_LOG_DEBUG, "appending %s to the removes list of %s\n",
lpkg->name, tpkg->name);
tpkg->removes = alpm_list_add(tpkg->removes, lpkg);
/* check the to-be-replaced package's reason field */
if(alpm_pkg_get_reason(lpkg) == ALPM_PKG_REASON_EXPLICIT) {
tpkg->reason = ALPM_PKG_REASON_EXPLICIT;
}
} else {
/* add spkg to the target list */
/* copy over reason */
spkg->reason = alpm_pkg_get_reason(lpkg);
spkg->removes = alpm_list_add(NULL, lpkg);
_alpm_log(handle, ALPM_LOG_DEBUG, "adding package %s-%s to the transaction targets\n",
spkg->name, spkg->version);
trans->add = alpm_list_add(trans->add, spkg);
}
}
}
if(found) {
break; /* jump to next local package */
}
}
}
}
return 0;
}
int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
{
alpm_list_t *i, *j;
alpm_list_t *deps = NULL;
alpm_list_t *unresolvable = NULL;
alpm_list_t *remove = NULL;
int ret = 0;
alpm_trans_t *trans = handle->trans;
if(data) {
*data = NULL;
}
/* ensure all sync database are valid since we will be using them */
for(i = handle->dbs_sync; i; i = i->next) {
const alpm_db_t *db = i->data;
if(!(db->status & DB_STATUS_VALID)) {
RET_ERR(handle, ALPM_ERR_DB_INVALID, -1);
}
}
if(!(trans->flags & ALPM_TRANS_FLAG_NODEPS)) {
alpm_list_t *resolved = NULL; /* target list after resolvedeps */
/* Build up list by repeatedly resolving each transaction package */
/* Resolve targets dependencies */
EVENT(trans, ALPM_TRANS_EVT_RESOLVEDEPS_START, NULL, NULL);
_alpm_log(handle, ALPM_LOG_DEBUG, "resolving target's dependencies\n");
/* build remove list for resolvedeps */
for(i = trans->add; i; i = i->next) {
alpm_pkg_t *spkg = i->data;
for(j = spkg->removes; j; j = j->next) {
remove = alpm_list_add(remove, j->data);
}
}
/* Compute the fake local database for resolvedeps (partial fix for the
* phonon/qt issue) */
alpm_list_t *localpkgs = alpm_list_diff(_alpm_db_get_pkgcache(handle->db_local),
trans->add, _alpm_pkg_cmp);
/* Resolve packages in the transaction one at a time, in addition
building up a list of packages which could not be resolved. */
for(i = trans->add; i; i = i->next) {
alpm_pkg_t *pkg = i->data;
if(_alpm_resolvedeps(handle, localpkgs, pkg, trans->add,
&resolved, remove, data) == -1) {
unresolvable = alpm_list_add(unresolvable, pkg);
}
/* Else, [resolved] now additionally contains [pkg] and all of its
dependencies not already on the list */
}
alpm_list_free(localpkgs);
/* If there were unresolvable top-level packages, prompt the user to
see if they'd like to ignore them rather than failing the sync */
if(unresolvable != NULL) {
int remove_unresolvable = 0;
QUESTION(trans, ALPM_TRANS_CONV_REMOVE_PKGS, unresolvable,
NULL, NULL, &remove_unresolvable);
if(remove_unresolvable) {
/* User wants to remove the unresolvable packages from the
transaction. The packages will be removed from the actual
transaction when the transaction packages are replaced with a
dependency-reordered list below */
handle->pm_errno = 0; /* pm_errno was set by resolvedeps */
if(data) {
alpm_list_free_inner(*data, (alpm_list_fn_free)_alpm_depmiss_free);
alpm_list_free(*data);
*data = NULL;
}
} else {
/* pm_errno is set by resolvedeps */
alpm_list_free(resolved);
ret = -1;
goto cleanup;
}
}
/* Set DEPEND reason for pulled packages */
for(i = resolved; i; i = i->next) {
alpm_pkg_t *pkg = i->data;
if(!_alpm_pkg_find(trans->add, pkg->name)) {
pkg->reason = ALPM_PKG_REASON_DEPEND;
}
}
/* Unresolvable packages will be removed from the target list, so
we free the transaction specific fields */
alpm_list_free_inner(unresolvable, (alpm_list_fn_free)_alpm_pkg_free_trans);
/* re-order w.r.t. dependencies */
alpm_list_free(trans->add);
trans->add = _alpm_sortbydeps(handle, resolved, 0);
alpm_list_free(resolved);
EVENT(trans, ALPM_TRANS_EVT_RESOLVEDEPS_DONE, NULL, NULL);
}
if(!(trans->flags & ALPM_TRANS_FLAG_NOCONFLICTS)) {
/* check for inter-conflicts and whatnot */
EVENT(trans, ALPM_TRANS_EVT_INTERCONFLICTS_START, NULL, NULL);
_alpm_log(handle, ALPM_LOG_DEBUG, "looking for conflicts\n");
/* 1. check for conflicts in the target list */
_alpm_log(handle, ALPM_LOG_DEBUG, "check targets vs targets\n");
deps = _alpm_innerconflicts(handle, trans->add);
for(i = deps; i; i = i->next) {
alpm_conflict_t *conflict = i->data;
alpm_pkg_t *rsync, *sync, *sync1, *sync2;
/* have we already removed one of the conflicting targets? */
sync1 = _alpm_pkg_find(trans->add, conflict->package1);
sync2 = _alpm_pkg_find(trans->add, conflict->package2);
if(!sync1 || !sync2) {
continue;
}
_alpm_log(handle, ALPM_LOG_DEBUG, "conflicting packages in the sync list: '%s' <-> '%s'\n",
conflict->package1, conflict->package2);
/* if sync1 provides sync2, we remove sync2 from the targets, and vice versa */
alpm_depend_t *dep1 = _alpm_splitdep(conflict->package1);
alpm_depend_t *dep2 = _alpm_splitdep(conflict->package2);
if(_alpm_depcmp(sync1, dep2)) {
rsync = sync2;
sync = sync1;
} else if(_alpm_depcmp(sync2, dep1)) {
rsync = sync1;
sync = sync2;
} else {
_alpm_log(handle, ALPM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
handle->pm_errno = ALPM_ERR_CONFLICTING_DEPS;
ret = -1;
if(data) {
alpm_conflict_t *newconflict = _alpm_conflict_dup(conflict);
if(newconflict) {
*data = alpm_list_add(*data, newconflict);
}
}
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
alpm_list_free(deps);
_alpm_dep_free(dep1);
_alpm_dep_free(dep2);
goto cleanup;
}
_alpm_dep_free(dep1);
_alpm_dep_free(dep2);
/* Prints warning */
_alpm_log(handle, ALPM_LOG_WARNING,
_("removing '%s' from target list because it conflicts with '%s'\n"),
rsync->name, sync->name);
trans->add = alpm_list_remove(trans->add, rsync, _alpm_pkg_cmp, NULL);
_alpm_pkg_free_trans(rsync); /* rsync is not transaction target anymore */
continue;
}
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
alpm_list_free(deps);
deps = NULL;
/* 2. we check for target vs db conflicts (and resolve)*/
_alpm_log(handle, ALPM_LOG_DEBUG, "check targets vs db and db vs targets\n");
deps = _alpm_outerconflicts(handle->db_local, trans->add);
for(i = deps; i; i = i->next) {
alpm_conflict_t *conflict = i->data;
/* if conflict->package2 (the local package) is not elected for removal,
we ask the user */
int found = 0;
for(j = trans->add; j && !found; j = j->next) {
alpm_pkg_t *spkg = j->data;
if(_alpm_pkg_find(spkg->removes, conflict->package2)) {
found = 1;
}
}
if(found) {
continue;
}
_alpm_log(handle, ALPM_LOG_DEBUG, "package '%s' conflicts with '%s'\n",
conflict->package1, conflict->package2);
alpm_pkg_t *sync = _alpm_pkg_find(trans->add, conflict->package1);
alpm_pkg_t *local = _alpm_db_get_pkgfromcache(handle->db_local, conflict->package2);
int doremove = 0;
QUESTION(trans, ALPM_TRANS_CONV_CONFLICT_PKG, conflict->package1,
conflict->package2, conflict->reason, &doremove);
if(doremove) {
/* append to the removes list */
_alpm_log(handle, ALPM_LOG_DEBUG, "electing '%s' for removal\n", conflict->package2);
sync->removes = alpm_list_add(sync->removes, local);
} else { /* abort */
_alpm_log(handle, ALPM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
handle->pm_errno = ALPM_ERR_CONFLICTING_DEPS;
ret = -1;
if(data) {
alpm_conflict_t *newconflict = _alpm_conflict_dup(conflict);
if(newconflict) {
*data = alpm_list_add(*data, newconflict);
}
}
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
alpm_list_free(deps);
goto cleanup;
}
}
EVENT(trans, ALPM_TRANS_EVT_INTERCONFLICTS_DONE, NULL, NULL);
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
alpm_list_free(deps);
}
/* Build trans->remove list */
for(i = trans->add; i; i = i->next) {
alpm_pkg_t *spkg = i->data;
for(j = spkg->removes; j; j = j->next) {
alpm_pkg_t *rpkg = j->data;
if(!_alpm_pkg_find(trans->remove, rpkg->name)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "adding '%s' to remove list\n", rpkg->name);
trans->remove = alpm_list_add(trans->remove, _alpm_pkg_dup(rpkg));
}
}
}
if(!(trans->flags & ALPM_TRANS_FLAG_NODEPS)) {
_alpm_log(handle, ALPM_LOG_DEBUG, "checking dependencies\n");
deps = alpm_checkdeps(handle, _alpm_db_get_pkgcache(handle->db_local),
trans->remove, trans->add, 1);
if(deps) {
handle->pm_errno = ALPM_ERR_UNSATISFIED_DEPS;
ret = -1;
if(data) {
*data = deps;
} else {
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_depmiss_free);
alpm_list_free(deps);
}
goto cleanup;
}
}
for(i = trans->add; i; i = i->next) {
/* update download size field */
alpm_pkg_t *spkg = i->data;
if(compute_download_size(spkg) != 0) {
ret = -1;
goto cleanup;
}
}
cleanup:
alpm_list_free(unresolvable);
alpm_list_free(remove);
return ret;
}
static alpm_list_t *check_replacers(alpm_handle_t *handle, alpm_pkg_t *lpkg,
alpm_db_t *sdb)
{
/* 2. search for replacers in sdb */
alpm_list_t *replacers = NULL;
alpm_list_t *k;
_alpm_log(handle, ALPM_LOG_DEBUG,
"searching for replacements for %s in %s\n",
lpkg->name, sdb->treename);
for(k = _alpm_db_get_pkgcache(sdb); k; k = k->next) {
int found = 0;
alpm_pkg_t *spkg = k->data;
alpm_list_t *l;
for(l = alpm_pkg_get_replaces(spkg); l; l = l->next) {
alpm_depend_t *replace = l->data;
/* we only want to consider literal matches at this point. */
if(_alpm_depcmp_literal(lpkg, replace)) {
found = 1;
break;
}
}
if(found) {
int doreplace = 0;
alpm_pkg_t *tpkg;
/* check IgnorePkg/IgnoreGroup */
if(_alpm_pkg_should_ignore(handle, spkg)
|| _alpm_pkg_should_ignore(handle, lpkg)) {
_alpm_log(handle, ALPM_LOG_WARNING,
_("ignoring package replacement (%s-%s => %s-%s)\n"),
lpkg->name, lpkg->version, spkg->name, spkg->version);
continue;
}
QUESTION(handle, ALPM_QUESTION_REPLACE_PKG, lpkg, spkg,
sdb->treename, &doreplace);
if(!doreplace) {
continue;
}
/* If spkg is already in the target list, we append lpkg to spkg's
* removes list */
tpkg = alpm_pkg_find(handle->trans->add, spkg->name);
if(tpkg) {
/* sanity check, multiple repos can contain spkg->name */
if(tpkg->origin_data.db != sdb) {
_alpm_log(handle, ALPM_LOG_WARNING, _("cannot replace %s by %s\n"),
lpkg->name, spkg->name);
continue;
}
_alpm_log(handle, ALPM_LOG_DEBUG, "appending %s to the removes list of %s\n",
lpkg->name, tpkg->name);
tpkg->removes = alpm_list_add(tpkg->removes, lpkg);
/* check the to-be-replaced package's reason field */
if(alpm_pkg_get_reason(lpkg) == ALPM_PKG_REASON_EXPLICIT) {
tpkg->reason = ALPM_PKG_REASON_EXPLICIT;
}
} else {
/* add spkg to the target list */
/* copy over reason */
spkg->reason = alpm_pkg_get_reason(lpkg);
spkg->removes = alpm_list_add(NULL, lpkg);
_alpm_log(handle, ALPM_LOG_DEBUG,
"adding package %s-%s to the transaction targets\n",
spkg->name, spkg->version);
replacers = alpm_list_add(replacers, spkg);
}
}
}
return replacers;
}
int _pacman_sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, pmlist_t *dbs_sync)
{
pmlist_t *i, *j, *k;
/* this is a sysupgrade, so that install reasons are not touched */
handle->sysupgrade = 1;
/* check for "recommended" package replacements */
_pacman_log(PM_LOG_FLOW1, _("checking for package replacements"));
for(i = dbs_sync; i; i = i->next) {
for(j = _pacman_db_get_pkgcache(i->data); j; j = j->next) {
pmpkg_t *spkg = j->data;
for(k = _pacman_pkg_getinfo(spkg, PM_PKG_REPLACES); k; k = k->next) {
pmlist_t *m;
for(m = _pacman_db_get_pkgcache(db_local); m; m = m->next) {
pmpkg_t *lpkg = m->data;
if(!strcmp(k->data, lpkg->name)) {
_pacman_log(PM_LOG_DEBUG, _("checking replacement '%s' for package '%s'"), k->data, spkg->name);
if(_pacman_list_is_strin(lpkg->name, handle->ignorepkg)) {
_pacman_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (to be replaced by %s-%s)"),
lpkg->name, lpkg->version, spkg->name, spkg->version);
} else {
/* get confirmation for the replacement */
int doreplace = 0;
QUESTION(trans, PM_TRANS_CONV_REPLACE_PKG, lpkg, spkg, ((pmdb_t *)i->data)->treename, &doreplace);
if(doreplace) {
/* if confirmed, add this to the 'final' list, designating 'lpkg' as
* the package to replace.
*/
pmsyncpkg_t *ps;
pmpkg_t *dummy = _pacman_pkg_new(lpkg->name, NULL);
if(dummy == NULL) {
pm_errno = PM_ERR_MEMORY;
goto error;
}
dummy->requiredby = _pacman_list_strdup(lpkg->requiredby);
/* check if spkg->name is already in the packages list. */
ps = find_pkginsync(spkg->name, trans->packages);
if(ps) {
/* found it -- just append to the replaces list */
ps->data = _pacman_list_add(ps->data, dummy);
} else {
/* none found -- enter pkg into the final sync list */
ps = _pacman_sync_new(PM_SYNC_TYPE_REPLACE, spkg, NULL);
if(ps == NULL) {
FREEPKG(dummy);
pm_errno = PM_ERR_MEMORY;
goto error;
}
ps->data = _pacman_list_add(NULL, dummy);
trans->packages = _pacman_list_add(trans->packages, ps);
}
_pacman_log(PM_LOG_FLOW2, _("%s-%s elected for upgrade (to be replaced by %s-%s)"),
lpkg->name, lpkg->version, spkg->name, spkg->version);
}
}
break;
}
}
}
}
}
/* match installed packages with the sync dbs and compare versions */
_pacman_log(PM_LOG_FLOW1, _("checking for package upgrades"));
for(i = _pacman_db_get_pkgcache(db_local); i; i = i->next) {
int cmp;
int replace=0;
pmpkg_t *local = i->data;
pmpkg_t *spkg = NULL;
pmsyncpkg_t *ps;
for(j = dbs_sync; !spkg && j; j = j->next) {
spkg = _pacman_db_get_pkgfromcache(j->data, local->name);
}
if(spkg == NULL) {
_pacman_log(PM_LOG_DEBUG, _("'%s' not found in sync db -- skipping"), local->name);
continue;
}
/* we don't care about a to-be-replaced package's newer version */
for(j = trans->packages; j && !replace; j=j->next) {
ps = j->data;
if(ps->type == PM_SYNC_TYPE_REPLACE) {
if(_pacman_pkg_isin(spkg->name, ps->data)) {
replace=1;
}
}
}
if(replace) {
_pacman_log(PM_LOG_DEBUG, _("'%s' is already elected for removal -- skipping"),
local->name);
continue;
}
/* compare versions and see if we need to upgrade */
cmp = _pacman_versioncmp(local->version, spkg->version);
if(cmp > 0 && !_pacman_pkg_getinfo(spkg, PM_PKG_FORCE) && !(trans->flags & PM_TRANS_FLAG_DOWNGRADE)) {
/* local version is newer */
_pacman_log(PM_LOG_WARNING, _("%s-%s: local version is newer"),
local->name, local->version);
} else if(cmp == 0) {
/* versions are identical */
} else if(_pacman_list_is_strin(local->name, handle->ignorepkg)) {
/* package should be ignored (IgnorePkg) */
_pacman_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (%s)"),
local->name, local->version, spkg->version);
} else if(istoonew(spkg)) {
/* package too new (UpgradeDelay) */
_pacman_log(PM_LOG_FLOW1, _("%s-%s: delaying upgrade of package (%s)\n"),
local->name, local->version, spkg->version);
} else if(_pacman_pkg_getinfo(spkg, PM_PKG_STICK)) {
_pacman_log(PM_LOG_WARNING, _("%s-%s: please upgrade manually (%s => %s)"),
local->name, local->version, local->version, spkg->version);
} else {
_pacman_log(PM_LOG_FLOW2, _("%s-%s elected for upgrade (%s => %s)"),
local->name, local->version, local->version, spkg->version);
/* check if spkg->name is already in the packages list. */
if(!find_pkginsync(spkg->name, trans->packages)) {
pmpkg_t *dummy = _pacman_pkg_new(local->name, local->version);
if(dummy == NULL) {
goto error;
}
ps = _pacman_sync_new(PM_SYNC_TYPE_UPGRADE, spkg, dummy);
if(ps == NULL) {
FREEPKG(dummy);
goto error;
}
trans->packages = _pacman_list_add(trans->packages, ps);
} else {
/* spkg->name is already in the packages list -- just ignore it */
}
}
}
return(0);
error:
return(-1);
}
