commit: add short-circuit to paint_down_to_common()
[gitweb.git] / ref-filter.c
index 1d0d77c30d3df16dd32bb87bd25194683667066d..fb35067fc998b040e3fe7f55d3f9051ea1c6a794 100644 (file)
@@ -16,6 +16,7 @@
 #include "trailer.h"
 #include "wt-status.h"
 #include "commit-slab.h"
+#include "commit-graph.h"
 
 static struct ref_msg {
        const char *gone;
@@ -76,9 +77,11 @@ static struct used_atom {
                char color[COLOR_MAXLEN];
                struct align align;
                struct {
-                       enum { RR_REF, RR_TRACK, RR_TRACKSHORT } option;
+                       enum {
+                               RR_REF, RR_TRACK, RR_TRACKSHORT, RR_REMOTE_NAME, RR_REMOTE_REF
+                       } option;
                        struct refname_atom refname;
-                       unsigned int nobracket : 1;
+                       unsigned int nobracket : 1, push : 1, push_remote : 1;
                } remote_ref;
                struct {
                        enum { C_BARE, C_BODY, C_BODY_DEP, C_LINES, C_SIG, C_SUB, C_TRAILERS } option;
@@ -138,6 +141,9 @@ static void remote_ref_atom_parser(const struct ref_format *format, struct used_
        struct string_list params = STRING_LIST_INIT_DUP;
        int i;
 
+       if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:"))
+               atom->u.remote_ref.push = 1;
+
        if (!arg) {
                atom->u.remote_ref.option = RR_REF;
                refname_atom_parser_internal(&atom->u.remote_ref.refname,
@@ -157,7 +163,13 @@ static void remote_ref_atom_parser(const struct ref_format *format, struct used_
                        atom->u.remote_ref.option = RR_TRACKSHORT;
                else if (!strcmp(s, "nobracket"))
                        atom->u.remote_ref.nobracket = 1;
-               else {
+               else if (!strcmp(s, "remotename")) {
+                       atom->u.remote_ref.option = RR_REMOTE_NAME;
+                       atom->u.remote_ref.push_remote = 1;
+               } else if (!strcmp(s, "remoteref")) {
+                       atom->u.remote_ref.option = RR_REMOTE_REF;
+                       atom->u.remote_ref.push_remote = 1;
+               } else {
                        atom->u.remote_ref.option = RR_REF;
                        refname_atom_parser_internal(&atom->u.remote_ref.refname,
                                                     arg, atom->name);
@@ -518,12 +530,12 @@ static void end_align_handler(struct ref_formatting_stack **stack)
 
 static void align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state)
 {
-       struct ref_formatting_stack *new;
+       struct ref_formatting_stack *new_stack;
 
        push_stack_element(&state->stack);
-       new = state->stack;
-       new->at_end = end_align_handler;
-       new->at_end_data = &atomv->atom->u.align;
+       new_stack = state->stack;
+       new_stack->at_end = end_align_handler;
+       new_stack->at_end_data = &atomv->atom->u.align;
 }
 
 static void if_then_else_handler(struct ref_formatting_stack **stack)
@@ -563,16 +575,16 @@ static void if_then_else_handler(struct ref_formatting_stack **stack)
 
 static void if_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state)
 {
-       struct ref_formatting_stack *new;
+       struct ref_formatting_stack *new_stack;
        struct if_then_else *if_then_else = xcalloc(sizeof(struct if_then_else), 1);
 
        if_then_else->str = atomv->atom->u.if_then_else.str;
        if_then_else->cmp_status = atomv->atom->u.if_then_else.cmp_status;
 
        push_stack_element(&state->stack);
-       new = state->stack;
-       new->at_end = if_then_else_handler;
-       new->at_end_data = if_then_else;
+       new_stack = state->stack;
+       new_stack->at_end = if_then_else_handler;
+       new_stack->at_end_data = if_then_else;
 }
 
 static int is_empty(const char *s)
@@ -758,7 +770,7 @@ static void grab_common_values(struct atom_value *val, int deref, struct object
                if (deref)
                        name++;
                if (!strcmp(name, "objecttype"))
-                       v->s = typename(obj->type);
+                       v->s = type_name(obj->type);
                else if (!strcmp(name, "objectsize")) {
                        v->value = sz;
                        v->s = xstrfmt("%lu", sz);
@@ -784,7 +796,7 @@ static void grab_tag_values(struct atom_value *val, int deref, struct object *ob
                if (!strcmp(name, "tag"))
                        v->s = tag->tag;
                else if (!strcmp(name, "type") && tag->tagged)
-                       v->s = typename(tag->tagged->type);
+                       v->s = type_name(tag->tagged->type);
                else if (!strcmp(name, "object") && tag->tagged)
                        v->s = xstrdup(oid_to_hex(&tag->tagged->oid));
        }
@@ -804,7 +816,7 @@ static void grab_commit_values(struct atom_value *val, int deref, struct object
                if (deref)
                        name++;
                if (!strcmp(name, "tree")) {
-                       v->s = xstrdup(oid_to_hex(&commit->tree->object.oid));
+                       v->s = xstrdup(oid_to_hex(get_commit_tree_oid(commit)));
                }
                else if (!strcmp(name, "numparent")) {
                        v->value = commit_list_count(commit->parents);
@@ -1268,6 +1280,25 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
                        *s = ">";
                else
                        *s = "<>";
+       } else if (atom->u.remote_ref.option == RR_REMOTE_NAME) {
+               int explicit;
+               const char *remote = atom->u.remote_ref.push ?
+                       pushremote_for_branch(branch, &explicit) :
+                       remote_for_branch(branch, &explicit);
+               if (explicit)
+                       *s = xstrdup(remote);
+               else
+                       *s = "";
+       } else if (atom->u.remote_ref.option == RR_REMOTE_REF) {
+               int explicit;
+               const char *merge;
+
+               merge = remote_ref_for_branch(branch, atom->u.remote_ref.push,
+                                             &explicit);
+               if (explicit)
+                       *s = xstrdup(merge);
+               else
+                       *s = "";
        } else
                die("BUG: unhandled RR_* enum");
 }
@@ -1377,16 +1408,20 @@ static void populate_value(struct ref_array_item *ref)
                        if (refname)
                                fill_remote_ref_details(atom, refname, branch, &v->s);
                        continue;
-               } else if (starts_with(name, "push")) {
+               } else if (atom->u.remote_ref.push) {
                        const char *branch_name;
                        if (!skip_prefix(ref->refname, "refs/heads/",
                                         &branch_name))
                                continue;
                        branch = branch_get(branch_name);
 
-                       refname = branch_get_push(branch, NULL);
-                       if (!refname)
-                               continue;
+                       if (atom->u.remote_ref.push_remote)
+                               refname = NULL;
+                       else {
+                               refname = branch_get_push(branch, NULL);
+                               if (!refname)
+                                       continue;
+                       }
                        fill_remote_ref_details(atom, refname, branch, &v->s);
                        continue;
                } else if (starts_with(name, "color:")) {
@@ -1548,12 +1583,13 @@ static int in_commit_list(const struct commit_list *want, struct commit *c)
 }
 
 /*
- * Test whether the candidate or one of its parents is contained in the list.
+ * 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)
+                                         struct contains_cache *cache,
+                                         uint32_t cutoff)
 {
        enum contains_result *cached = contains_cache_at(cache, candidate);
 
@@ -1569,6 +1605,10 @@ static enum contains_result contains_test(struct commit *candidate,
 
        /* Otherwise, we don't know; prepare to recurse */
        parse_commit_or_die(candidate);
+
+       if (candidate->generation < cutoff)
+               return CONTAINS_NO;
+
        return CONTAINS_UNKNOWN;
 }
 
@@ -1584,8 +1624,18 @@ static enum contains_result contains_tag_algo(struct commit *candidate,
                                              struct contains_cache *cache)
 {
        struct contains_stack contains_stack = { 0, 0, NULL };
-       enum contains_result result = contains_test(candidate, want, cache);
+       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(c);
+               if (c->generation < cutoff)
+                       cutoff = c->generation;
+       }
 
+       result = contains_test(candidate, want, cache, cutoff);
        if (result != CONTAINS_UNKNOWN)
                return result;
 
@@ -1603,7 +1653,7 @@ static enum contains_result contains_tag_algo(struct commit *candidate,
                 * 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)) {
+               else switch (contains_test(parents->item, want, cache, cutoff)) {
                case CONTAINS_YES:
                        *contains_cache_at(cache, commit) = CONTAINS_YES;
                        contains_stack.nr--;
@@ -1617,7 +1667,7 @@ static enum contains_result contains_tag_algo(struct commit *candidate,
                }
        }
        free(contains_stack.contains_stack);
-       return contains_test(candidate, want, cache);
+       return contains_test(candidate, want, cache, cutoff);
 }
 
 static int commit_contains(struct ref_filter *filter, struct commit *commit,