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authorDan McGee <dan@archlinux.org>2011-11-15 09:12:18 -0600
committerDan McGee <dan@archlinux.org>2011-11-15 09:12:18 -0600
commit9363e7dc22f85c549cd90768ce884508901820a8 (patch)
treebffb670dd739c4589555cf351e9578f873ad842d /lib/libalpm
parent37ff0f5658e356a4fbd9ad212ccab2acb0d9bb46 (diff)
Allow sync_prepare to work in certain cases without sync databases
When doing a bare -U operation on a local package that doesn't pull in any dependencies from the sync databases, we can get away with missing database files. This makes the check conditional on no sync targets found in the target list. This is not the prettiest code here so we have a bit of hackish behavior required to straighten both the behavior and the nonsensical error message out. Addresses FS#26899. Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm')
-rw-r--r--lib/libalpm/deps.c2
-rw-r--r--lib/libalpm/sync.c27
2 files changed, 19 insertions, 10 deletions
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 60401583..89f6d691 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -631,7 +631,7 @@ static alpm_pkg_t *resolvedep(alpm_handle_t *handle, alpm_depend_t *dep,
/* first check if one provider is already installed locally */
for(i = providers; i; i = i->next) {
alpm_pkg_t *pkg = i->data;
- if(_alpm_pkghash_find(_alpm_db_get_pkgcache_hash(handle->db_local), pkg->name)) {
+ if(_alpm_db_get_pkgfromcache(handle->db_local, pkg->name)) {
alpm_list_free(providers);
return pkg;
}
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index 54b9794a..cf209717 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -357,7 +357,7 @@ 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;
+ size_t from_sync = 0;
int ret = 0;
alpm_trans_t *trans = handle->trans;
@@ -365,19 +365,27 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
*data = NULL;
}
- /* ensure all sync database are valid since we will be using them */
+ for(i = trans->add; i; i = i->next) {
+ alpm_pkg_t *spkg = i->data;
+ from_sync += (spkg->origin == PKG_FROM_SYNCDB);
+ }
+
+ /* 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);
}
- if(db->status & DB_STATUS_MISSING) {
+ /* 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; /* target list after resolvedeps */
+ alpm_list_t *resolved = NULL;
+ alpm_list_t *remove = NULL;
+ alpm_list_t *localpkgs;
/* Build up list by repeatedly resolving each transaction package */
/* Resolve targets dependencies */
@@ -394,7 +402,7 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **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),
+ 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
@@ -409,11 +417,13 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
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) {
int remove_unresolvable = 0;
+ enum _alpm_errno_t saved_err = handle->pm_errno;
QUESTION(handle, ALPM_QUESTION_REMOVE_PKGS, unresolvable,
NULL, NULL, &remove_unresolvable);
if(remove_unresolvable) {
@@ -421,14 +431,15 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
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 */
+ handle->pm_errno = 0;
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 */
+ /* pm_errno was set by resolvedeps, callback may have overwrote it */
+ handle->pm_errno = saved_err;
alpm_list_free(resolved);
ret = -1;
goto cleanup;
@@ -617,8 +628,6 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
}
cleanup:
- alpm_list_free(remove);
-
return ret;
}