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-rw-r--r--src/state.c149
1 files changed, 126 insertions, 23 deletions
diff --git a/src/state.c b/src/state.c
index f0561b6..33cabb8 100644
--- a/src/state.c
+++ b/src/state.c
@@ -34,6 +34,16 @@ int apk_state_prune_dependency(struct apk_state *state,
#define APK_NS_LOCKED 0x00000001
#define APK_NS_PENDING 0x00000002
+#define APK_NS_ERROR 0x00000004
+
+static void apk_state_record_conflict(struct apk_state *state,
+ struct apk_package *pkg)
+{
+ struct apk_name *name = pkg->name;
+
+ state->name[name->id] = (void*) (((intptr_t)state->name[name->id]) | APK_NS_ERROR);
+ *apk_package_array_add(&state->conflicts) = pkg;
+}
static int inline ns_locked(apk_name_state_t name)
{
@@ -49,6 +59,13 @@ static int inline ns_pending(apk_name_state_t name)
return FALSE;
}
+static int inline ns_error(apk_name_state_t name)
+{
+ if (((intptr_t) name) & APK_NS_ERROR)
+ return TRUE;
+ return FALSE;
+}
+
static int ns_empty(apk_name_state_t name)
{
return name == NULL;
@@ -67,7 +84,7 @@ static apk_name_state_t ns_from_pkg_non_pending(struct apk_package *pkg)
static struct apk_package *ns_to_pkg(apk_name_state_t name)
{
return (struct apk_package *)
- (((intptr_t) name) & ~(APK_NS_LOCKED | APK_NS_PENDING));
+ (((intptr_t) name) & ~(APK_NS_LOCKED | APK_NS_PENDING | APK_NS_ERROR));
}
static apk_name_state_t ns_from_choices(struct apk_name_choices *nc)
@@ -247,7 +264,9 @@ int apk_state_prune_dependency(struct apk_state *state,
struct apk_package *pkg = ns_to_pkg(state->name[name->id]);
/* Locked to not-installed / remove? */
- if (pkg == NULL) {
+ if (ns_error(state->name[name->id])) {
+ return -1;
+ } else if (pkg == NULL) {
if (dep->result_mask != APK_DEPMASK_CONFLICT)
return -1;
} else {
@@ -258,6 +277,7 @@ int apk_state_prune_dependency(struct apk_state *state,
if (ns_pending(state->name[name->id]))
return 1;
+
return 0;
}
@@ -370,22 +390,29 @@ int apk_state_lock_dependency(struct apk_state *state,
static int apk_state_fix_package(struct apk_state *state,
struct apk_package *pkg)
{
- int i, r;
+ int i, r, ret = 0;
+
+ if (pkg == NULL || pkg->depends == NULL)
+ return 0;
for (i = 0; i < pkg->depends->num; i++) {
r = apk_state_lock_dependency(state,
&pkg->depends->item[i]);
if (r != 0)
- return -1;
+ ret = -1;
}
- return 0;
+
+ return ret;
}
static int call_if_dependency_broke(struct apk_state *state,
struct apk_package *pkg,
struct apk_name *dep_name,
int (*cb)(struct apk_state *state,
- struct apk_package *pkg))
+ struct apk_package *pkg,
+ struct apk_dependency *dep,
+ void *ctx),
+ void *ctx)
{
struct apk_package *dep_pkg;
int k;
@@ -405,7 +432,7 @@ static int call_if_dependency_broke(struct apk_state *state,
(apk_version_compare(dep_pkg->version, dep->version)
& dep->result_mask))
continue;
- return cb(state, pkg);
+ return cb(state, pkg, dep, ctx);
}
return 0;
@@ -414,7 +441,10 @@ static int call_if_dependency_broke(struct apk_state *state,
static int for_each_broken_reverse_depency(struct apk_state *state,
struct apk_name *name,
int (*cb)(struct apk_state *state,
- struct apk_package *pkg))
+ struct apk_package *pkg,
+ struct apk_dependency *dep,
+ void *ctx),
+ void *ctx)
{
struct apk_package *pkg0;
int i, j, r;
@@ -429,7 +459,8 @@ static int for_each_broken_reverse_depency(struct apk_state *state,
pkg0 = ns_to_pkg(state->name[name0->id]);
if (pkg0 == NULL)
continue;
- r = call_if_dependency_broke(state, pkg0, name, cb);
+ r = call_if_dependency_broke(state, pkg0, name,
+ cb, ctx);
if (r != 0)
return r;
} else if (!ns_empty(state->name[name0->id])) {
@@ -441,7 +472,7 @@ static int for_each_broken_reverse_depency(struct apk_state *state,
continue;
r = call_if_dependency_broke(state,
ns->pkgs[j],
- name, cb);
+ name, cb, ctx);
if (r != 0)
return r;
break;
@@ -455,7 +486,7 @@ static int for_each_broken_reverse_depency(struct apk_state *state,
r = call_if_dependency_broke(state,
name0->pkgs->item[j],
- name, cb);
+ name, cb, ctx);
if (r != 0)
return r;
break;
@@ -467,20 +498,24 @@ static int for_each_broken_reverse_depency(struct apk_state *state,
}
static int delete_broken_package(struct apk_state *state,
- struct apk_package *pkg)
+ struct apk_package *pkg,
+ struct apk_dependency *dep,
+ void *ctx)
{
return apk_state_lock_name(state, pkg->name, NULL);
}
static int reinstall_broken_package(struct apk_state *state,
- struct apk_package *pkg)
+ struct apk_package *pkg,
+ struct apk_dependency *dep,
+ void *ctx)
{
- struct apk_dependency dep = {
+ struct apk_dependency dep0 = {
.name = pkg->name,
.result_mask = APK_DEPMASK_REQUIRE,
};
- return apk_state_lock_dependency(state, &dep);
+ return apk_state_lock_dependency(state, &dep0);
}
int apk_state_lock_name(struct apk_state *state,
@@ -512,16 +547,19 @@ int apk_state_lock_name(struct apk_state *state,
r = for_each_broken_reverse_depency(state, name,
newpkg == NULL ?
delete_broken_package :
- reinstall_broken_package);
- if (r != 0)
+ reinstall_broken_package,
+ NULL);
+ if (r != 0) {
+ apk_state_record_conflict(state, newpkg);
return r;
+ }
}
/* Check that all other dependencies hold for the new package. */
- if (newpkg != NULL && newpkg->depends != NULL) {
- r = apk_state_fix_package(state, newpkg);
- if (r != 0)
- return r;
+ r = apk_state_fix_package(state, newpkg);
+ if (r != 0) {
+ apk_state_record_conflict(state, newpkg);
+ return r;
}
/* If the chosen package is installed, all is done here */
@@ -709,7 +747,9 @@ static int cmp_upgrade(struct apk_change *change)
}
static int fail_if_something_broke(struct apk_state *state,
- struct apk_package *pkg)
+ struct apk_package *pkg,
+ struct apk_dependency *dep,
+ void *ctx)
{
return 1;
@@ -735,7 +775,8 @@ static int apk_state_autoclean(struct apk_state *state,
oldns = state->name[n->id];
state->name[n->id] = ns_from_pkg(NULL);
r = for_each_broken_reverse_depency(state, n,
- fail_if_something_broke);
+ fail_if_something_broke,
+ NULL);
state->name[n->id] = oldns;
if (r == 0) {
@@ -747,6 +788,68 @@ static int apk_state_autoclean(struct apk_state *state,
return 0;
}
+struct error_state {
+ struct apk_indent indent;
+ struct apk_package *prevpkg;
+};
+
+static int print_dep(struct apk_state *state,
+ struct apk_package *pkg,
+ struct apk_dependency *dep,
+ void *ctx)
+{
+ struct error_state *es = (struct error_state *) ctx;
+ apk_blob_t blob;
+ char buf[256];
+ int len;
+
+ if (pkg != es->prevpkg) {
+ printf("\n");
+ es->indent.x = 0;
+ len = snprintf(buf, sizeof(buf), "%s-%s:",
+ pkg->name->name, pkg->version);
+ apk_print_indented(&es->indent, APK_BLOB_PTR_LEN(buf, len));
+ es->prevpkg = pkg;
+ }
+
+ blob = APK_BLOB_BUF(buf);
+ apk_blob_push_dep(&blob, dep);
+ blob = apk_blob_pushed(APK_BLOB_BUF(buf), blob);
+ apk_print_indented(&es->indent, blob);
+
+ return 0;
+}
+
+void apk_state_print_errors(struct apk_state *state)
+{
+ struct apk_package *pkg;
+ struct error_state es;
+ int i, j, r;
+
+ if (state->conflicts == NULL)
+ return;
+
+ apk_error("Unable to satisfy all dependencies:");
+ for (i = 0; i < state->conflicts->num; i++) {
+ es.prevpkg = pkg = state->conflicts->item[i];
+ es.indent.x = es.indent.indent =
+ printf(" %s-%s:",
+ pkg->name->name, pkg->version);
+
+ for (j = 0; j < pkg->depends->num; j++) {
+ r = apk_state_lock_dependency(state,
+ &pkg->depends->item[j]);
+ if (r != 0)
+ print_dep(state, pkg, &pkg->depends->item[j], &es);
+ }
+
+ /* Print conflicting reverse deps */
+ for_each_broken_reverse_depency(state, pkg->name,
+ print_dep, &es);
+ printf("\n");
+ }
+}
+
int apk_state_commit(struct apk_state *state,
struct apk_database *db)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 02:26:49 +0000