#include "wt-status.h"
#include "commit-slab.h"
#include "commit-graph.h"
+#include "commit-reach.h"
static struct ref_msg {
const char *gone;
typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status;
+typedef enum { SOURCE_NONE = 0, SOURCE_OBJ, SOURCE_OTHER } info_source;
struct align {
align_type position;
int lstrip, rstrip;
};
+static struct expand_data {
+ struct object_id oid;
+ enum object_type type;
+ unsigned long size;
+ off_t disk_size;
+ struct object_id delta_base_oid;
+ void *content;
+
+ struct object_info info;
+} oi, oi_deref;
+
/*
* An atom is a valid field atom listed below, possibly prefixed with
* a "*" to denote deref_tag().
static struct used_atom {
const char *name;
cmp_type type;
+ info_source source;
union {
char color[COLOR_MAXLEN];
struct align align;
return 0;
}
+static int objecttype_atom_parser(const struct ref_format *format, struct used_atom *atom,
+ const char *arg, struct strbuf *err)
+{
+ if (arg)
+ return strbuf_addf_ret(err, -1, _("%%(objecttype) does not take arguments"));
+ if (*atom->name == '*')
+ oi_deref.info.typep = &oi_deref.type;
+ else
+ oi.info.typep = &oi.type;
+ return 0;
+}
+
+static int objectsize_atom_parser(const struct ref_format *format, struct used_atom *atom,
+ const char *arg, struct strbuf *err)
+{
+ if (arg)
+ return strbuf_addf_ret(err, -1, _("%%(objectsize) does not take arguments"));
+ if (*atom->name == '*')
+ oi_deref.info.sizep = &oi_deref.size;
+ else
+ oi.info.sizep = &oi.size;
+ return 0;
+}
+
static int body_atom_parser(const struct ref_format *format, struct used_atom *atom,
const char *arg, struct strbuf *err)
{
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++) {
static struct {
const char *name;
+ info_source source;
cmp_type cmp_type;
int (*parser)(const struct ref_format *format, struct used_atom *atom,
const char *arg, struct strbuf *err);
} valid_atom[] = {
- { "refname" , FIELD_STR, refname_atom_parser },
- { "objecttype" },
- { "objectsize", FIELD_ULONG },
- { "objectname", FIELD_STR, objectname_atom_parser },
- { "tree" },
- { "parent" },
- { "numparent", FIELD_ULONG },
- { "object" },
- { "type" },
- { "tag" },
- { "author" },
- { "authorname" },
- { "authoremail" },
- { "authordate", FIELD_TIME },
- { "committer" },
- { "committername" },
- { "committeremail" },
- { "committerdate", FIELD_TIME },
- { "tagger" },
- { "taggername" },
- { "taggeremail" },
- { "taggerdate", FIELD_TIME },
- { "creator" },
- { "creatordate", FIELD_TIME },
- { "subject", FIELD_STR, subject_atom_parser },
- { "body", FIELD_STR, body_atom_parser },
- { "trailers", FIELD_STR, trailers_atom_parser },
- { "contents", FIELD_STR, contents_atom_parser },
- { "upstream", FIELD_STR, remote_ref_atom_parser },
- { "push", FIELD_STR, remote_ref_atom_parser },
- { "symref", FIELD_STR, refname_atom_parser },
- { "flag" },
- { "HEAD", FIELD_STR, head_atom_parser },
- { "color", FIELD_STR, color_atom_parser },
- { "align", FIELD_STR, align_atom_parser },
- { "end" },
- { "if", FIELD_STR, if_atom_parser },
- { "then" },
- { "else" },
+ { "refname", SOURCE_NONE, FIELD_STR, refname_atom_parser },
+ { "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser },
+ { "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser },
+ { "objectname", SOURCE_OTHER, FIELD_STR, objectname_atom_parser },
+ { "tree", SOURCE_OBJ },
+ { "parent", SOURCE_OBJ },
+ { "numparent", SOURCE_OBJ, FIELD_ULONG },
+ { "object", SOURCE_OBJ },
+ { "type", SOURCE_OBJ },
+ { "tag", SOURCE_OBJ },
+ { "author", SOURCE_OBJ },
+ { "authorname", SOURCE_OBJ },
+ { "authoremail", SOURCE_OBJ },
+ { "authordate", SOURCE_OBJ, FIELD_TIME },
+ { "committer", SOURCE_OBJ },
+ { "committername", SOURCE_OBJ },
+ { "committeremail", SOURCE_OBJ },
+ { "committerdate", SOURCE_OBJ, FIELD_TIME },
+ { "tagger", SOURCE_OBJ },
+ { "taggername", SOURCE_OBJ },
+ { "taggeremail", SOURCE_OBJ },
+ { "taggerdate", SOURCE_OBJ, FIELD_TIME },
+ { "creator", SOURCE_OBJ },
+ { "creatordate", SOURCE_OBJ, FIELD_TIME },
+ { "subject", SOURCE_OBJ, FIELD_STR, subject_atom_parser },
+ { "body", SOURCE_OBJ, FIELD_STR, body_atom_parser },
+ { "trailers", SOURCE_OBJ, FIELD_STR, trailers_atom_parser },
+ { "contents", SOURCE_OBJ, FIELD_STR, contents_atom_parser },
+ { "upstream", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser },
+ { "push", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser },
+ { "symref", SOURCE_NONE, FIELD_STR, refname_atom_parser },
+ { "flag", SOURCE_NONE },
+ { "HEAD", SOURCE_NONE, FIELD_STR, head_atom_parser },
+ { "color", SOURCE_NONE, FIELD_STR, color_atom_parser },
+ { "align", SOURCE_NONE, FIELD_STR, align_atom_parser },
+ { "end", SOURCE_NONE },
+ { "if", SOURCE_NONE, FIELD_STR, if_atom_parser },
+ { "then", SOURCE_NONE },
+ { "else", SOURCE_NONE },
};
#define REF_FORMATTING_STATE_INIT { 0, NULL }
REALLOC_ARRAY(used_atom, used_atom_cnt);
used_atom[at].name = xmemdupz(atom, ep - atom);
used_atom[at].type = valid_atom[i].cmp_type;
+ used_atom[at].source = valid_atom[i].source;
+ if (used_atom[at].source == SOURCE_OBJ) {
+ if (*atom == '*')
+ oi_deref.info.contentp = &oi_deref.content;
+ else
+ oi.info.contentp = &oi.content;
+ }
if (arg) {
arg = used_atom[at].name + (arg - atom) + 1;
if (!*arg) {
return 0;
}
-/*
- * Given an object name, read the object data and size, and return a
- * "struct object". If the object data we are returning is also borrowed
- * by the "struct object" representation, set *eaten as well---it is a
- * signal from parse_object_buffer to us not to free the buffer.
- */
-static void *get_obj(const struct object_id *oid, struct object **obj, unsigned long *sz, int *eaten)
-{
- enum object_type type;
- void *buf = read_object_file(oid, &type, sz);
-
- if (buf)
- *obj = parse_object_buffer(the_repository, oid, type, *sz,
- buf, eaten);
- else
- *obj = NULL;
- return buf;
-}
-
static int grab_objectname(const char *name, const struct object_id *oid,
struct atom_value *v, struct used_atom *atom)
{
}
/* See grab_values */
-static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
+static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi)
{
int i;
if (deref)
name++;
if (!strcmp(name, "objecttype"))
- v->s = type_name(obj->type);
+ v->s = type_name(oi->type);
else if (!strcmp(name, "objectsize")) {
- v->value = sz;
- v->s = xstrfmt("%lu", sz);
+ v->value = oi->size;
+ v->s = xstrfmt("%lu", oi->size);
}
else if (deref)
- grab_objectname(name, &obj->oid, v, &used_atom[i]);
+ grab_objectname(name, &oi->oid, v, &used_atom[i]);
}
}
*/
static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
{
- grab_common_values(val, deref, obj, buf, sz);
switch (obj->type) {
case OBJ_TAG:
grab_tag_values(val, deref, obj, buf, sz);
return show_ref(&atom->u.refname, ref->refname);
}
-static int get_object(struct ref_array_item *ref, const struct object_id *oid,
- int deref, struct object **obj, struct strbuf *err)
+static int get_object(struct ref_array_item *ref, int deref, struct object **obj,
+ struct expand_data *oi, struct strbuf *err)
{
- int eaten;
- int ret = 0;
- unsigned long size;
- void *buf = get_obj(oid, obj, &size, &eaten);
- if (!buf)
- ret = strbuf_addf_ret(err, -1, _("missing object %s for %s"),
- oid_to_hex(oid), ref->refname);
- else if (!*obj)
- ret = strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"),
- oid_to_hex(oid), ref->refname);
- else
- grab_values(ref->value, deref, *obj, buf, size);
+ /* parse_object_buffer() will set eaten to 0 if free() will be needed */
+ int eaten = 1;
+ if (oi->info.contentp) {
+ /* We need to know that to use parse_object_buffer properly */
+ oi->info.sizep = &oi->size;
+ oi->info.typep = &oi->type;
+ }
+ if (oid_object_info_extended(the_repository, &oi->oid, &oi->info,
+ OBJECT_INFO_LOOKUP_REPLACE))
+ return strbuf_addf_ret(err, -1, _("missing object %s for %s"),
+ oid_to_hex(&oi->oid), ref->refname);
+
+ if (oi->info.contentp) {
+ *obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten);
+ if (!obj) {
+ if (!eaten)
+ free(oi->content);
+ return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"),
+ oid_to_hex(&oi->oid), ref->refname);
+ }
+ grab_values(ref->value, deref, *obj, oi->content, oi->size);
+ }
+
+ grab_common_values(ref->value, deref, oi);
if (!eaten)
- free(buf);
- return ret;
+ free(oi->content);
+ return 0;
}
/*
{
struct object *obj;
int i;
- const struct object_id *tagged;
+ struct object_info empty = OBJECT_INFO_INIT;
ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
refname = get_symref(atom, ref);
else if (starts_with(name, "upstream")) {
const char *branch_name;
+ v->s = "";
/* only local branches may have an upstream */
if (!skip_prefix(ref->refname, "refs/heads/",
&branch_name))
continue;
} else if (atom->u.remote_ref.push) {
const char *branch_name;
+ v->s = "";
if (!skip_prefix(ref->refname, "refs/heads/",
&branch_name))
continue;
continue;
} else if (starts_with(name, "align")) {
v->handler = align_atom_handler;
+ v->s = "";
continue;
} else if (!strcmp(name, "end")) {
v->handler = end_atom_handler;
+ v->s = "";
continue;
} else if (starts_with(name, "if")) {
const char *s;
-
+ v->s = "";
if (skip_prefix(name, "if:", &s))
v->s = xstrdup(s);
v->handler = if_atom_handler;
continue;
} else if (!strcmp(name, "then")) {
v->handler = then_atom_handler;
+ v->s = "";
continue;
} else if (!strcmp(name, "else")) {
v->handler = else_atom_handler;
+ v->s = "";
continue;
} else
continue;
for (i = 0; i < used_atom_cnt; i++) {
struct atom_value *v = &ref->value[i];
- if (v->s == NULL)
- break;
+ if (v->s == NULL && used_atom[i].source == SOURCE_NONE)
+ return strbuf_addf_ret(err, -1, _("missing object %s for %s"),
+ oid_to_hex(&ref->objectname), ref->refname);
}
- if (used_atom_cnt <= i)
+
+ if (need_tagged)
+ oi.info.contentp = &oi.content;
+ if (!memcmp(&oi.info, &empty, sizeof(empty)) &&
+ !memcmp(&oi_deref.info, &empty, sizeof(empty)))
return 0;
- if (get_object(ref, &ref->objectname, 0, &obj, err))
+
+ oi.oid = ref->objectname;
+ if (get_object(ref, 0, &obj, &oi, err))
return -1;
/*
* If it is a tag object, see if we use a value that derefs
* the object, and if we do grab the object it refers to.
*/
- tagged = &((struct tag *)obj)->tagged->oid;
+ oi_deref.oid = ((struct tag *)obj)->tagged->oid;
/*
* NEEDSWORK: This derefs tag only once, which
* is not consistent with what deref_tag() does
* which peels the onion to the core.
*/
- return get_object(ref, tagged, 1, &obj, err);
+ return get_object(ref, 1, &obj, &oi_deref, err);
}
/*
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.