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authorBryan Ischo <bji-keyword-pacman.3644cb@www.ischo.com>2009-03-09 09:56:13 +1300
committerDan McGee <dan@archlinux.org>2009-04-11 14:39:24 -0500
commitdb3e166503386b4f9e456017fd56d8bce84528fe (patch)
tree6be74c28ff430128c8a1a7a3064e32d3fe49d5ec /lib/libalpm/deps.c
parentd70465decc617412db0670c8169ec22421c8e3d1 (diff)
Look in target-list first to resolve dependencies
This fixes a bug introduced by my previous changes which changes the behavior of IgnorePkg/IgnoreGroup to allow the user to remove unresolvable packages from the transaction. The bug is that the target-list was no longer being consulted first to resolve dependencies, which means that if two packages in the sync database satisfied a dependency, and the user explicitly requested one of those two packages in the sync, the other package was still being pulled in. A new test was added, sync993.py, to verify the desired behavior. Signed-off-by: Bryan Ischo <bji-keyword-pacman.3644cb@www.ischo.com> Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm/deps.c')
-rw-r--r--lib/libalpm/deps.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 36f4d355..ca2126dc 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -594,8 +594,8 @@ pmpkg_t *_alpm_resolvedep(pmdepend_t *dep, alpm_list_t *dbs,
* unmodified by this function
*/
int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *pkg,
- alpm_list_t **packages, alpm_list_t *remove,
- alpm_list_t **data)
+ alpm_list_t *preferred, alpm_list_t **packages,
+ alpm_list_t *remove, alpm_list_t **data)
{
alpm_list_t *i, *j;
alpm_list_t *targ;
@@ -632,17 +632,21 @@ int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *pkg,
if(_alpm_find_dep_satisfier(*packages, missdep)) {
continue;
}
- /* find a satisfier package in the given repositories */
- pmpkg_t *spkg = _alpm_resolvedep(missdep, dbs_sync, *packages, 0);
+ /* check if one of the packages in the [preferred] list already satisfies this dependency */
+ pmpkg_t *spkg = _alpm_find_dep_satisfier(preferred, missdep);
+ if(!spkg) {
+ /* find a satisfier package in the given repositories */
+ spkg = _alpm_resolvedep(missdep, dbs_sync, *packages, 0);
+ }
if(!spkg) {
pm_errno = PM_ERR_UNSATISFIED_DEPS;
char *missdepstring = alpm_dep_compute_string(missdep);
_alpm_log(PM_LOG_WARNING, _("cannot resolve \"%s\", a dependency of \"%s\"\n"),
- missdepstring, tpkg->name);
+ missdepstring, tpkg->name);
free(missdepstring);
if(data) {
pmdepmissing_t *missd = _alpm_depmiss_new(miss->target,
- miss->depend, miss->causingpkg);
+ miss->depend, miss->causingpkg);
if(missd) {
*data = alpm_list_add(*data, missd);
}
@@ -654,7 +658,7 @@ int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *pkg,
return(-1);
} else {
_alpm_log(PM_LOG_DEBUG, "pulling dependency %s (needed by %s)\n",
- alpm_pkg_get_name(spkg), alpm_pkg_get_name(tpkg));
+ alpm_pkg_get_name(spkg), alpm_pkg_get_name(tpkg));
*packages = alpm_list_add(*packages, spkg);
}
}