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-rw-r--r--ref-filter.c301
1 files changed, 110 insertions, 191 deletions
diff --git a/ref-filter.c b/ref-filter.c
index 3e8ee04..422a9c9 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -19,6 +19,7 @@
#include "wt-status.h"
#include "commit-slab.h"
#include "commit-graph.h"
+#include "commit-reach.h"
static struct ref_msg {
const char *gone;
@@ -230,12 +231,30 @@ static int objecttype_atom_parser(const struct ref_format *format, struct used_a
static int objectsize_atom_parser(const struct ref_format *format, struct used_atom *atom,
const char *arg, struct strbuf *err)
{
+ if (!arg) {
+ if (*atom->name == '*')
+ oi_deref.info.sizep = &oi_deref.size;
+ else
+ oi.info.sizep = &oi.size;
+ } else if (!strcmp(arg, "disk")) {
+ if (*atom->name == '*')
+ oi_deref.info.disk_sizep = &oi_deref.disk_size;
+ else
+ oi.info.disk_sizep = &oi.disk_size;
+ } else
+ return strbuf_addf_ret(err, -1, _("unrecognized %%(objectsize) argument: %s"), arg);
+ return 0;
+}
+
+static int deltabase_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"));
+ return strbuf_addf_ret(err, -1, _("%%(deltabase) does not take arguments"));
if (*atom->name == '*')
- oi_deref.info.sizep = &oi_deref.size;
+ oi_deref.info.delta_base_sha1 = oi_deref.delta_base_oid.hash;
else
- oi.info.sizep = &oi.size;
+ oi.info.delta_base_sha1 = oi.delta_base_oid.hash;
return 0;
}
@@ -430,6 +449,7 @@ static struct {
{ "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser },
{ "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser },
{ "objectname", SOURCE_OTHER, FIELD_STR, objectname_atom_parser },
+ { "deltabase", SOURCE_OTHER, FIELD_STR, deltabase_atom_parser },
{ "tree", SOURCE_OBJ },
{ "parent", SOURCE_OBJ },
{ "numparent", SOURCE_OBJ, FIELD_ULONG },
@@ -533,6 +553,10 @@ static int parse_ref_filter_atom(const struct ref_format *format,
if (ARRAY_SIZE(valid_atom) <= i)
return strbuf_addf_ret(err, -1, _("unknown field name: %.*s"),
(int)(ep-atom), atom);
+ if (valid_atom[i].source != SOURCE_NONE && !have_git_dir())
+ return strbuf_addf_ret(err, -1,
+ _("not a git repository, but the field '%.*s' requires access to object data"),
+ (int)(ep-atom), atom);
/* Add it in, including the deref prefix */
at = used_atom_cnt;
@@ -874,11 +898,15 @@ static void grab_common_values(struct atom_value *val, int deref, struct expand_
if (deref)
name++;
if (!strcmp(name, "objecttype"))
- v->s = type_name(oi->type);
- else if (!strcmp(name, "objectsize")) {
+ v->s = xstrdup(type_name(oi->type));
+ else if (!strcmp(name, "objectsize:disk")) {
+ v->value = oi->disk_size;
+ v->s = xstrfmt("%"PRIuMAX, (uintmax_t)oi->disk_size);
+ } else if (!strcmp(name, "objectsize")) {
v->value = oi->size;
- v->s = xstrfmt("%lu", oi->size);
- }
+ v->s = xstrfmt("%"PRIuMAX , (uintmax_t)oi->size);
+ } else if (!strcmp(name, "deltabase"))
+ v->s = xstrdup(oid_to_hex(&oi->delta_base_oid));
else if (deref)
grab_objectname(name, &oi->oid, v, &used_atom[i]);
}
@@ -898,9 +926,9 @@ static void grab_tag_values(struct atom_value *val, int deref, struct object *ob
if (deref)
name++;
if (!strcmp(name, "tag"))
- v->s = tag->tag;
+ v->s = xstrdup(tag->tag);
else if (!strcmp(name, "type") && tag->tagged)
- v->s = type_name(tag->tagged->type);
+ v->s = xstrdup(type_name(tag->tagged->type));
else if (!strcmp(name, "object") && tag->tagged)
v->s = xstrdup(oid_to_hex(&tag->tagged->oid));
}
@@ -1031,7 +1059,7 @@ static void grab_date(const char *buf, struct atom_value *v, const char *atomnam
v->value = timestamp;
return;
bad:
- v->s = "";
+ v->s = xstrdup("");
v->value = 0;
}
@@ -1226,7 +1254,7 @@ static void fill_missing_values(struct atom_value *val)
for (i = 0; i < used_atom_cnt; i++) {
struct atom_value *v = &val[i];
if (v->s == NULL)
- v->s = "";
+ v->s = xstrdup("");
}
}
@@ -1272,7 +1300,8 @@ static inline char *copy_advance(char *dst, const char *src)
static const char *lstrip_ref_components(const char *refname, int len)
{
long remaining = len;
- const char *start = refname;
+ const char *start = xstrdup(refname);
+ const char *to_free = start;
if (len < 0) {
int i;
@@ -1293,20 +1322,24 @@ static const char *lstrip_ref_components(const char *refname, int len)
while (remaining > 0) {
switch (*start++) {
case '\0':
- return "";
+ free((char *)to_free);
+ return xstrdup("");
case '/':
remaining--;
break;
}
}
+ start = xstrdup(start);
+ free((char *)to_free);
return start;
}
static const char *rstrip_ref_components(const char *refname, int len)
{
long remaining = len;
- char *start = xstrdup(refname);
+ const char *start = xstrdup(refname);
+ const char *to_free = start;
if (len < 0) {
int i;
@@ -1326,9 +1359,10 @@ static const char *rstrip_ref_components(const char *refname, int len)
while (remaining-- > 0) {
char *p = strrchr(start, '/');
- if (p == NULL)
- return "";
- else
+ if (p == NULL) {
+ free((char *)to_free);
+ return xstrdup("");
+ } else
p[0] = '\0';
}
return start;
@@ -1343,7 +1377,7 @@ static const char *show_ref(struct refname_atom *atom, const char *refname)
else if (atom->option == R_RSTRIP)
return rstrip_ref_components(refname, atom->rstrip);
else
- return refname;
+ return xstrdup(refname);
}
static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
@@ -1357,7 +1391,7 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
NULL, AHEAD_BEHIND_FULL) < 0) {
*s = xstrdup(msgs.gone);
} else if (!num_ours && !num_theirs)
- *s = "";
+ *s = xstrdup("");
else if (!num_ours)
*s = xstrfmt(msgs.behind, num_theirs);
else if (!num_theirs)
@@ -1372,36 +1406,31 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
}
} else if (atom->u.remote_ref.option == RR_TRACKSHORT) {
if (stat_tracking_info(branch, &num_ours, &num_theirs,
- NULL, AHEAD_BEHIND_FULL) < 0)
+ NULL, AHEAD_BEHIND_FULL) < 0) {
+ *s = xstrdup("");
return;
-
+ }
if (!num_ours && !num_theirs)
- *s = "=";
+ *s = xstrdup("=");
else if (!num_ours)
- *s = "<";
+ *s = xstrdup("<");
else if (!num_theirs)
- *s = ">";
+ *s = xstrdup(">");
else
- *s = "<>";
+ *s = xstrdup("<>");
} 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 = "";
+ *s = xstrdup(explicit ? remote : "");
} 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 = "";
+ *s = xstrdup(explicit ? merge : "");
} else
BUG("unhandled RR_* enum");
}
@@ -1411,7 +1440,7 @@ char *get_head_description(void)
struct strbuf desc = STRBUF_INIT;
struct wt_status_state state;
memset(&state, 0, sizeof(state));
- wt_status_get_state(&state, 1);
+ wt_status_get_state(the_repository, &state, 1);
if (state.rebase_in_progress ||
state.rebase_interactive_in_progress) {
if (state.branch)
@@ -1450,7 +1479,7 @@ char *get_head_description(void)
static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref)
{
if (!ref->symref)
- return "";
+ return xstrdup("");
else
return show_ref(&atom->u.refname, ref->symref);
}
@@ -1476,6 +1505,8 @@ static int get_object(struct ref_array_item *ref, int deref, struct object **obj
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.disk_sizep && oi->disk_size < 0)
+ BUG("Object size is less than zero.");
if (oi->info.contentp) {
*obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten);
@@ -1509,7 +1540,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING,
NULL, NULL);
if (!ref->symref)
- ref->symref = "";
+ ref->symref = xstrdup("");
}
/* Fill in specials first */
@@ -1535,20 +1566,23 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
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))
+ &branch_name)) {
+ v->s = xstrdup("");
continue;
+ }
branch = branch_get(branch_name);
refname = branch_get_upstream(branch, NULL);
if (refname)
fill_remote_ref_details(atom, refname, branch, &v->s);
+ else
+ v->s = xstrdup("");
continue;
} else if (atom->u.remote_ref.push) {
const char *branch_name;
- v->s = "";
+ v->s = xstrdup("");
if (!skip_prefix(ref->refname, "refs/heads/",
&branch_name))
continue;
@@ -1561,10 +1595,12 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
if (!refname)
continue;
}
+ /* We will definitely re-init v->s on the next line. */
+ free((char *)v->s);
fill_remote_ref_details(atom, refname, branch, &v->s);
continue;
} else if (starts_with(name, "color:")) {
- v->s = atom->u.color;
+ v->s = xstrdup(atom->u.color);
continue;
} else if (!strcmp(name, "flag")) {
char buf[256], *cp = buf;
@@ -1573,7 +1609,7 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
if (ref->flag & REF_ISPACKED)
cp = copy_advance(cp, ",packed");
if (cp == buf)
- v->s = "";
+ v->s = xstrdup("");
else {
*cp = '\0';
v->s = xstrdup(buf + 1);
@@ -1583,40 +1619,42 @@ static int populate_value(struct ref_array_item *ref, struct strbuf *err)
continue;
} else if (!strcmp(name, "HEAD")) {
if (atom->u.head && !strcmp(ref->refname, atom->u.head))
- v->s = "*";
+ v->s = xstrdup("*");
else
- v->s = " ";
+ v->s = xstrdup(" ");
continue;
} else if (starts_with(name, "align")) {
v->handler = align_atom_handler;
- v->s = "";
+ v->s = xstrdup("");
continue;
} else if (!strcmp(name, "end")) {
v->handler = end_atom_handler;
- v->s = "";
+ v->s = xstrdup("");
continue;
} else if (starts_with(name, "if")) {
const char *s;
- v->s = "";
if (skip_prefix(name, "if:", &s))
v->s = xstrdup(s);
+ else
+ v->s = xstrdup("");
v->handler = if_atom_handler;
continue;
} else if (!strcmp(name, "then")) {
v->handler = then_atom_handler;
- v->s = "";
+ v->s = xstrdup("");
continue;
} else if (!strcmp(name, "else")) {
v->handler = else_atom_handler;
- v->s = "";
+ v->s = xstrdup("");
continue;
} else
continue;
if (!deref)
- v->s = refname;
+ v->s = xstrdup(refname);
else
v->s = xstrfmt("%s^{}", refname);
+ free((char *)refname);
}
for (i = 0; i < used_atom_cnt; i++) {
@@ -1676,144 +1714,6 @@ static int get_ref_atom_value(struct ref_array_item *ref, int atom,
}
/*
- * 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"
* matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref
@@ -2048,6 +1948,13 @@ static int filter_ref_kind(struct ref_filter *filter, const char *refname)
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.
@@ -2118,6 +2025,10 @@ static int ref_filter_handler(const char *refname, const struct object_id *oid,
static void free_array_item(struct ref_array_item *item)
{
free((char *)item->symref);
+ if (item->value) {
+ free((char *)item->value->s);
+ free(item->value);
+ }
free(item);
}
@@ -2126,6 +2037,10 @@ void ref_array_clear(struct ref_array *array)
{
int i;
+ for (i = 0; i < used_atom_cnt; i++)
+ free((char *)used_atom[i].name);
+ FREE_AND_NULL(used_atom);
+ used_atom_cnt = 0;
for (i = 0; i < array->nr; i++)
free_array_item(array->items[i]);
FREE_AND_NULL(array->items);
@@ -2140,7 +2055,7 @@ static void do_merge_filter(struct ref_filter_cbdata *ref_cbdata)
struct ref_array *array = ref_cbdata->array;
struct commit **to_clear = xcalloc(sizeof(struct commit *), array->nr);
- init_revisions(&revs, NULL);
+ repo_init_revisions(the_repository, &revs, NULL);
for (i = 0; i < array->nr; i++) {
struct ref_array_item *item = array->items[i];
@@ -2430,11 +2345,15 @@ int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset)
struct object_id oid;
int no_merged = starts_with(opt->long_name, "no");
+ BUG_ON_OPT_NEG(unset);
+
if (rf->merge) {
if (no_merged) {
- return opterror(opt, "is incompatible with --merged", 0);
+ return error(_("option `%s' is incompatible with --merged"),
+ opt->long_name);
} else {
- return opterror(opt, "is incompatible with --no-merged", 0);
+ return error(_("option `%s' is incompatible with --no-merged"),
+ opt->long_name);
}
}
@@ -2448,7 +2367,7 @@ int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset)
rf->merge_commit = lookup_commit_reference_gently(the_repository,
&oid, 0);
if (!rf->merge_commit)
- return opterror(opt, "must point to a commit", 0);
+ return error(_("option `%s' must point to a commit"), opt->long_name);
return 0;
}