#include "wt-status.h"
#include "commit-slab.h"
#include "commit-graph.h"
+#include "commit-reach.h"
static struct ref_msg {
const char *gone;
struct string_list params = STRING_LIST_INIT_DUP;
int i;
+ atom->u.contents.trailer_opts.no_divider = 1;
+
if (arg) {
string_list_split(¶ms, arg, ',', -1);
for (i = 0; i < params.nr; i++) {
return 0;
}
-/*
- * Unknown has to be "0" here, because that's the default value for
- * contains_cache slab entries that have not yet been assigned.
- */
-enum contains_result {
- CONTAINS_UNKNOWN = 0,
- CONTAINS_NO,
- CONTAINS_YES
-};
-
-define_commit_slab(contains_cache, enum contains_result);
-
-struct ref_filter_cbdata {
- struct ref_array *array;
- struct ref_filter *filter;
- struct contains_cache contains_cache;
- struct contains_cache no_contains_cache;
-};
-
-/*
- * Mimicking the real stack, this stack lives on the heap, avoiding stack
- * overflows.
- *
- * At each recursion step, the stack items points to the commits whose
- * ancestors are to be inspected.
- */
-struct contains_stack {
- int nr, alloc;
- struct contains_stack_entry {
- struct commit *commit;
- struct commit_list *parents;
- } *contains_stack;
-};
-
-static int in_commit_list(const struct commit_list *want, struct commit *c)
-{
- for (; want; want = want->next)
- if (!oidcmp(&want->item->object.oid, &c->object.oid))
- return 1;
- return 0;
-}
-
-/*
- * Test whether the candidate is contained in the list.
- * Do not recurse to find out, though, but return -1 if inconclusive.
- */
-static enum contains_result contains_test(struct commit *candidate,
- const struct commit_list *want,
- struct contains_cache *cache,
- uint32_t cutoff)
-{
- enum contains_result *cached = contains_cache_at(cache, candidate);
-
- /* If we already have the answer cached, return that. */
- if (*cached)
- return *cached;
-
- /* or are we it? */
- if (in_commit_list(want, candidate)) {
- *cached = CONTAINS_YES;
- return CONTAINS_YES;
- }
-
- /* Otherwise, we don't know; prepare to recurse */
- parse_commit_or_die(candidate);
-
- if (candidate->generation < cutoff)
- return CONTAINS_NO;
-
- return CONTAINS_UNKNOWN;
-}
-
-static void push_to_contains_stack(struct commit *candidate, struct contains_stack *contains_stack)
-{
- ALLOC_GROW(contains_stack->contains_stack, contains_stack->nr + 1, contains_stack->alloc);
- contains_stack->contains_stack[contains_stack->nr].commit = candidate;
- contains_stack->contains_stack[contains_stack->nr++].parents = candidate->parents;
-}
-
-static enum contains_result contains_tag_algo(struct commit *candidate,
- const struct commit_list *want,
- struct contains_cache *cache)
-{
- struct contains_stack contains_stack = { 0, 0, NULL };
- enum contains_result result;
- uint32_t cutoff = GENERATION_NUMBER_INFINITY;
- const struct commit_list *p;
-
- for (p = want; p; p = p->next) {
- struct commit *c = p->item;
- load_commit_graph_info(the_repository, c);
- if (c->generation < cutoff)
- cutoff = c->generation;
- }
-
- result = contains_test(candidate, want, cache, cutoff);
- if (result != CONTAINS_UNKNOWN)
- return result;
-
- push_to_contains_stack(candidate, &contains_stack);
- while (contains_stack.nr) {
- struct contains_stack_entry *entry = &contains_stack.contains_stack[contains_stack.nr - 1];
- struct commit *commit = entry->commit;
- struct commit_list *parents = entry->parents;
-
- if (!parents) {
- *contains_cache_at(cache, commit) = CONTAINS_NO;
- contains_stack.nr--;
- }
- /*
- * If we just popped the stack, parents->item has been marked,
- * therefore contains_test will return a meaningful yes/no.
- */
- else switch (contains_test(parents->item, want, cache, cutoff)) {
- case CONTAINS_YES:
- *contains_cache_at(cache, commit) = CONTAINS_YES;
- contains_stack.nr--;
- break;
- case CONTAINS_NO:
- entry->parents = parents->next;
- break;
- case CONTAINS_UNKNOWN:
- push_to_contains_stack(parents->item, &contains_stack);
- break;
- }
- }
- free(contains_stack.contains_stack);
- return contains_test(candidate, want, cache, cutoff);
-}
-
-static int commit_contains(struct ref_filter *filter, struct commit *commit,
- struct commit_list *list, struct contains_cache *cache)
-{
- if (filter->with_commit_tag_algo)
- return contains_tag_algo(commit, list, cache) == CONTAINS_YES;
- return is_descendant_of(commit, list);
-}
-
/*
* Return 1 if the refname matches one of the patterns, otherwise 0.
* A pattern can be a literal prefix (e.g. a refname "refs/heads/master"
return ref_kind_from_refname(refname);
}
+struct ref_filter_cbdata {
+ struct ref_array *array;
+ struct ref_filter *filter;
+ struct contains_cache contains_cache;
+ struct contains_cache no_contains_cache;
+};
+
/*
* A call-back given to for_each_ref(). Filter refs and keep them for
* later object processing.
projects / thirdparty / git.git / blobdiff