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Diffstat (limited to 'src/solver.c')
-rw-r--r--src/solver.c78
1 files changed, 36 insertions, 42 deletions
diff --git a/src/solver.c b/src/solver.c
index bffb1f1..98fa99b 100644
--- a/src/solver.c
+++ b/src/solver.c
@@ -86,8 +86,6 @@ struct apk_package_state {
unsigned int topology_soft;
unsigned short conflicts;
unsigned char preference;
- unsigned availability_checked : 1;
- unsigned unavailable : 1;
unsigned handle_install_if : 1;
unsigned locked : 1;
};
@@ -294,13 +292,24 @@ static struct apk_name_state *name_to_ns_alloc(struct apk_name *name)
return ns;
}
-static inline int pkg_available(struct apk_database *db, struct apk_package *pkg)
+static inline int pkg_available(struct apk_solver_state *ss, struct apk_package *pkg)
{
+ struct apk_database *db = ss->db;
+ struct apk_name_state *ns = name_to_ns(pkg->name);
+
+ /* virtual packages - only deps used; no real .apk */
if (pkg->installed_size == 0)
return TRUE;
- if (pkg->filename != NULL)
+ /* obviously present */
+ if (pkg->in_cache || pkg->filename != NULL)
return TRUE;
- if (apk_db_select_repo(db, pkg) != NULL)
+ /* can download */
+ if ((pkg->repos & ~db->bad_repos) && !(apk_flags & APK_NO_NETWORK))
+ return TRUE;
+ /* installed, and no reinstall needed */
+ if ((pkg->ipkg != NULL) &&
+ (ns->inherited_reinstall == 0) &&
+ ((ns->solver_flags_local|ss->solver_flags) & APK_SOLVERF_REINSTALL) == 0)
return TRUE;
return FALSE;
}
@@ -410,7 +419,7 @@ static void get_topology_score(
score.non_preferred_actions++;
if (ns->locked || (ns->allowed_pinning | ns->maybe_pinning) == ns->allowed_pinning) {
- allowed_pinning = ns->allowed_pinning | preferred_pinning;
+ allowed_pinning = ns->allowed_pinning | preferred_pinning | APK_DEFAULT_PINNING_MASK;
allowed_repos = get_pinning_mask_repos(ss->db, allowed_pinning);
if (!(repos & allowed_repos))
score.non_preferred_actions+=2;
@@ -492,6 +501,14 @@ static void calculate_pkg_preference(struct apk_package *pkg)
}
}
+static void count_name(struct apk_solver_state *ss, struct apk_name_state *ns)
+{
+ if (!ns->decision_counted) {
+ ss->max_decisions++;
+ ns->decision_counted = 1;
+ }
+}
+
static void sort_hard_dependencies(struct apk_solver_state *ss, struct apk_package *pkg)
{
struct apk_package_state *ps;
@@ -505,19 +522,15 @@ static void sort_hard_dependencies(struct apk_solver_state *ss, struct apk_packa
return;
pkg->topology_hard = -1;
ps->topology_soft = -1;
- calculate_pkg_preference(pkg);
+ calculate_pkg_preference(pkg);
/* Consider hard dependencies only */
foreach_dependency_pkg(ss, pkg->depends, sort_hard_dependencies);
foreach_dependency_pkg(ss, pkg->install_if, sort_hard_dependencies);
ss->max_decisions++;
-
ns = name_to_ns_alloc(pkg->name);
- if (!ns->decision_counted) {
- ss->max_decisions++;
- ns->decision_counted = 1;
- }
+ count_name(ss, ns);
ps->topology_soft = pkg->topology_hard = ++ss->num_topology_positions;
dbg_printf(PKG_VER_FMT ": topology_hard=%d\n",
@@ -587,6 +600,7 @@ static void sort_name(struct apk_solver_state *ss, struct apk_name *name)
for (i = 0; i < name->pkgs->num; i++)
sort_soft_dependencies(ss, name->pkgs->item[i]);
+ count_name(ss, ns);
recalculate_maybe(ss, name,
ns->solver_flags_local & ns->solver_flags_local_mask,
ns->maybe_pinning);
@@ -609,36 +623,16 @@ static int install_if_missing(struct apk_solver_state *ss, struct apk_package *p
struct apk_dependency *dep = &pkg->install_if->item[i];
ns = name_to_ns(dep->name);
- if (!ns->locked || !apk_dep_is_satisfied(dep, ns->chosen))
+
+ /* ns can be NULL, if the install_if has a name with
+ * no packages */
+ if (ns == NULL || !ns->locked || !apk_dep_is_satisfied(dep, ns->chosen))
missing++;
}
return missing;
}
-static int check_if_package_unavailable(struct apk_solver_state *ss, struct apk_package *pkg, int do_check)
-{
- struct apk_name *name = pkg->name;
- struct apk_package_state *ps = pkg_to_ps(pkg);
- struct apk_name_state *ns = name_to_ns(name);
-
- /* installed and no-reinstall required? no check needed. */
- if ((pkg->ipkg != NULL) && (ns->inherited_reinstall == 0) &&
- ((ns->solver_flags_local|ss->solver_flags) & APK_SOLVERF_REINSTALL) == 0)
- return 0;
-
- /* done already? */
- if (ps->availability_checked && !do_check)
- return ps->unavailable;
-
- /* and it's not available, we can't use it */
- if (!pkg_available(ss->db, pkg))
- ps->unavailable = 1;
-
- ps->availability_checked = 1;
- return ps->unavailable;
-}
-
static void foreach_common_dependency(
struct apk_solver_state *ss, struct apk_name *name,
void (*cb)(struct apk_solver_state *ss, struct apk_name *common_dependency))
@@ -719,7 +713,7 @@ static int update_name_state(struct apk_solver_state *ss, struct apk_name *name)
if (ps0 == NULL || ps0->locked ||
ss->topology_position < pkg0->topology_hard ||
- check_if_package_unavailable(ss, pkg0, 0))
+ !pkg_available(ss, pkg0))
continue;
/* preferred - currently most optimal for end solution */
@@ -828,7 +822,7 @@ static void trigger_install_if(struct apk_solver_state *ss,
{
if (install_if_missing(ss, pkg) == 0) {
struct apk_name *name0 = decision_to_name(&ss->decisions[ss->num_decisions]);
- struct apk_name_state *ns = ns = name_to_ns(pkg->name);
+ struct apk_name_state *ns = name_to_ns(pkg->name);
dbg_printf("trigger_install_if: " PKG_VER_FMT " triggered\n",
PKG_VER_PRINTF(pkg));
@@ -913,8 +907,7 @@ static solver_result_t apply_decision(struct apk_solver_state *ss,
get_topology_score(ss, ns, pkg, &score);
addscore(&ss->score, &score);
- if (cmpscore2(&ss->score, &ss->minimum_penalty, &ss->best_score) >= 0 ||
- check_if_package_unavailable(ss, pkg, 1)) {
+ if (cmpscore2(&ss->score, &ss->minimum_penalty, &ss->best_score) >= 0) {
dbg_printf("install causing "SCORE_FMT", penalty too big: "SCORE_FMT"+"SCORE_FMT">="SCORE_FMT"\n",
SCORE_PRINTF(&score),
SCORE_PRINTF(&ss->score),
@@ -1286,7 +1279,8 @@ static int expand_branch(struct apk_solver_state *ss)
continue;
get_topology_score(ss, ns, pkg0, &pkgscore);
- if (cmpscore2(&score, &pkgscore, &ss->best_score) >= 0)
+ if (cmpscore2(&score, &pkgscore, &ss->best_score) >= 0 ||
+ !pkg_available(ss, pkg0))
return push_decision(ss, name, pkg0, DECISION_EXCLUDE, BRANCH_NO, FALSE);
}
@@ -1318,7 +1312,7 @@ static int expand_branch(struct apk_solver_state *ss)
SCORE_PRINTF(&ss->best_score));
preferred_pinning = ns->preferred_pinning ?: APK_DEFAULT_PINNING_MASK;
- allowed_pinning = ns->allowed_pinning | preferred_pinning;
+ allowed_pinning = ns->allowed_pinning | preferred_pinning | APK_DEFAULT_PINNING_MASK;
allowed_repos = get_pinning_mask_repos(ss->db, allowed_pinning);
if ((pkg0->repos != 0) && !(pkg0->repos & allowed_repos)) {