#include "tag.h"
#include "quote.h"
#include "ref-filter.h"
+#include "revision.h"
+#include "utf8.h"
+#include "git-compat-util.h"
+#include "version.h"
typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
{ "subject" },
{ "body" },
{ "contents" },
- { "contents:subject" },
- { "contents:body" },
- { "contents:signature" },
{ "upstream" },
{ "push" },
{ "symref" },
{ "flag" },
{ "HEAD" },
{ "color" },
+ { "align" },
+ { "end" },
+};
+
+#define REF_FORMATTING_STATE_INIT { 0, NULL }
+
+struct align {
+ align_type position;
+ unsigned int width;
+};
+
+struct contents {
+ unsigned int lines;
+ struct object_id oid;
+};
+
+struct ref_formatting_stack {
+ struct ref_formatting_stack *prev;
+ struct strbuf output;
+ void (*at_end)(struct ref_formatting_stack *stack);
+ void *at_end_data;
+};
+
+struct ref_formatting_state {
+ int quote_style;
+ struct ref_formatting_stack *stack;
+};
+
+struct atom_value {
+ const char *s;
+ union {
+ struct align align;
+ struct contents contents;
+ } u;
+ void (*handler)(struct atom_value *atomv, struct ref_formatting_state *state);
+ unsigned long ul; /* used for sorting when not FIELD_STR */
};
/*
return at;
}
+static void quote_formatting(struct strbuf *s, const char *str, int quote_style)
+{
+ switch (quote_style) {
+ case QUOTE_NONE:
+ strbuf_addstr(s, str);
+ break;
+ case QUOTE_SHELL:
+ sq_quote_buf(s, str);
+ break;
+ case QUOTE_PERL:
+ perl_quote_buf(s, str);
+ break;
+ case QUOTE_PYTHON:
+ python_quote_buf(s, str);
+ break;
+ case QUOTE_TCL:
+ tcl_quote_buf(s, str);
+ break;
+ }
+}
+
+static void append_atom(struct atom_value *v, struct ref_formatting_state *state)
+{
+ /*
+ * Quote formatting is only done when the stack has a single
+ * element. Otherwise quote formatting is done on the
+ * element's entire output strbuf when the %(end) atom is
+ * encountered.
+ */
+ if (!state->stack->prev)
+ quote_formatting(&state->stack->output, v->s, state->quote_style);
+ else
+ strbuf_addstr(&state->stack->output, v->s);
+}
+
+static void push_stack_element(struct ref_formatting_stack **stack)
+{
+ struct ref_formatting_stack *s = xcalloc(1, sizeof(struct ref_formatting_stack));
+
+ strbuf_init(&s->output, 0);
+ s->prev = *stack;
+ *stack = s;
+}
+
+static void pop_stack_element(struct ref_formatting_stack **stack)
+{
+ struct ref_formatting_stack *current = *stack;
+ struct ref_formatting_stack *prev = current->prev;
+
+ if (prev)
+ strbuf_addbuf(&prev->output, ¤t->output);
+ strbuf_release(¤t->output);
+ free(current);
+ *stack = prev;
+}
+
+static void end_align_handler(struct ref_formatting_stack *stack)
+{
+ struct align *align = (struct align *)stack->at_end_data;
+ struct strbuf s = STRBUF_INIT;
+
+ strbuf_utf8_align(&s, align->position, align->width, stack->output.buf);
+ strbuf_swap(&stack->output, &s);
+ strbuf_release(&s);
+}
+
+static void align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state)
+{
+ struct ref_formatting_stack *new;
+
+ push_stack_element(&state->stack);
+ new = state->stack;
+ new->at_end = end_align_handler;
+ new->at_end_data = &atomv->u.align;
+}
+
+static void end_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state)
+{
+ struct ref_formatting_stack *current = state->stack;
+ struct strbuf s = STRBUF_INIT;
+
+ if (!current->at_end)
+ die(_("format: %%(end) atom used without corresponding atom"));
+ current->at_end(current);
+
+ /*
+ * Perform quote formatting when the stack element is that of
+ * a supporting atom. If nested then perform quote formatting
+ * only on the topmost supporting atom.
+ */
+ if (!state->stack->prev->prev) {
+ quote_formatting(&s, current->output.buf, state->quote_style);
+ strbuf_swap(¤t->output, &s);
+ }
+ strbuf_release(&s);
+ pop_stack_element(&state->stack);
+}
+
+static int match_atom_name(const char *name, const char *atom_name, const char **val)
+{
+ const char *body;
+
+ if (!skip_prefix(name, atom_name, &body))
+ return 0; /* doesn't even begin with "atom_name" */
+ if (!body[0]) {
+ *val = NULL; /* %(atom_name) and no customization */
+ return 1;
+ }
+ if (body[0] != ':')
+ return 0; /* "atom_namefoo" is not "atom_name" or "atom_name:..." */
+ *val = body + 1; /* "atom_name:val" */
+ return 1;
+}
+
/*
* In a format string, find the next occurrence of %(atom).
*/
struct atom_value *v)
{
if (!strcmp(name, "objectname")) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(sha1));
- v->s = s;
+ v->s = xstrdup(sha1_to_hex(sha1));
return 1;
}
if (!strcmp(name, "objectname:short")) {
if (!strcmp(name, "objecttype"))
v->s = typename(obj->type);
else if (!strcmp(name, "objectsize")) {
- char *s = xmalloc(40);
- sprintf(s, "%lu", sz);
v->ul = sz;
- v->s = s;
+ v->s = xstrfmt("%lu", sz);
}
else if (deref)
- grab_objectname(name, obj->sha1, v);
+ grab_objectname(name, get_object_hash(*obj), v);
}
}
v->s = tag->tag;
else if (!strcmp(name, "type") && tag->tagged)
v->s = typename(tag->tagged->type);
- else if (!strcmp(name, "object") && tag->tagged) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(tag->tagged->sha1));
- v->s = s;
- }
+ else if (!strcmp(name, "object") && tag->tagged)
+ v->s = xstrdup(oid_to_hex(&tag->tagged->oid));
}
}
if (deref)
name++;
if (!strcmp(name, "tree")) {
- char *s = xmalloc(41);
- strcpy(s, sha1_to_hex(commit->tree->object.sha1));
- v->s = s;
+ v->s = xstrdup(oid_to_hex(&commit->tree->object.oid));
}
- if (!strcmp(name, "numparent")) {
- char *s = xmalloc(40);
+ else if (!strcmp(name, "numparent")) {
v->ul = commit_list_count(commit->parents);
- sprintf(s, "%lu", v->ul);
- v->s = s;
+ v->s = xstrfmt("%lu", v->ul);
}
else if (!strcmp(name, "parent")) {
- int num = commit_list_count(commit->parents);
- int i;
struct commit_list *parents;
- char *s = xmalloc(41 * num + 1);
- v->s = s;
- for (i = 0, parents = commit->parents;
- parents;
- parents = parents->next, i = i + 41) {
+ struct strbuf s = STRBUF_INIT;
+ for (parents = commit->parents; parents; parents = parents->next) {
struct commit *parent = parents->item;
- strcpy(s+i, sha1_to_hex(parent->object.sha1));
- if (parents->next)
- s[i+40] = ' ';
+ if (parents != commit->parents)
+ strbuf_addch(&s, ' ');
+ strbuf_addstr(&s, oid_to_hex(&parent->object.oid));
}
- if (!i)
- *s = '\0';
+ v->s = strbuf_detach(&s, NULL);
}
}
}
*nonsiglen = *sig - buf;
}
+/*
+ * If 'lines' is greater than 0, append that many lines from the given
+ * 'buf' of length 'size' to the given strbuf.
+ */
+static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines)
+{
+ int i;
+ const char *sp, *eol;
+ size_t len;
+
+ sp = buf;
+
+ for (i = 0; i < lines && sp < buf + size; i++) {
+ if (i)
+ strbuf_addstr(out, "\n ");
+ eol = memchr(sp, '\n', size - (sp - buf));
+ len = eol ? eol - sp : size - (sp - buf);
+ strbuf_add(out, sp, len);
+ if (!eol)
+ break;
+ sp = eol + 1;
+ }
+}
+
/* See grab_values */
static void grab_sub_body_contents(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
{
for (i = 0; i < used_atom_cnt; i++) {
const char *name = used_atom[i];
struct atom_value *v = &val[i];
+ const char *valp = NULL;
if (!!deref != (*name == '*'))
continue;
if (deref)
strcmp(name, "contents") &&
strcmp(name, "contents:subject") &&
strcmp(name, "contents:body") &&
- strcmp(name, "contents:signature"))
+ strcmp(name, "contents:signature") &&
+ !starts_with(name, "contents:lines="))
continue;
if (!subpos)
find_subpos(buf, sz,
v->s = xmemdupz(sigpos, siglen);
else if (!strcmp(name, "contents"))
v->s = xstrdup(subpos);
+ else if (skip_prefix(name, "contents:lines=", &valp)) {
+ struct strbuf s = STRBUF_INIT;
+ const char *contents_end = bodylen + bodypos - siglen;
+
+ if (strtoul_ui(valp, 10, &v->u.contents.lines))
+ die(_("positive value expected contents:lines=%s"), valp);
+ /* Size is the length of the message after removing the signature */
+ append_lines(&s, subpos, contents_end - subpos, v->u.contents.lines);
+ v->s = strbuf_detach(&s, NULL);
+ }
}
}
int deref = 0;
const char *refname;
const char *formatp;
+ const char *valp;
struct branch *branch = NULL;
+ v->handler = append_atom;
+
if (*name == '*') {
deref = 1;
name++;
refname = branch_get_push(branch, NULL);
if (!refname)
continue;
- } else if (starts_with(name, "color:")) {
+ } else if (match_atom_name(name, "color", &valp)) {
char color[COLOR_MAXLEN] = "";
- if (color_parse(name + 6, color) < 0)
+ if (!valp)
+ die(_("expected format: %%(color:<color>)"));
+ if (color_parse(valp, color) < 0)
die(_("unable to parse format"));
v->s = xstrdup(color);
continue;
else
v->s = " ";
continue;
+ } else if (match_atom_name(name, "align", &valp)) {
+ struct align *align = &v->u.align;
+ struct strbuf **s, **to_free;
+ int width = -1;
+
+ if (!valp)
+ die(_("expected format: %%(align:<width>,<position>)"));
+
+ /*
+ * TODO: Implement a function similar to strbuf_split_str()
+ * which would omit the separator from the end of each value.
+ */
+ s = to_free = strbuf_split_str(valp, ',', 0);
+
+ align->position = ALIGN_LEFT;
+
+ while (*s) {
+ /* Strip trailing comma */
+ if (s[1])
+ strbuf_setlen(s[0], s[0]->len - 1);
+ if (!strtoul_ui(s[0]->buf, 10, (unsigned int *)&width))
+ ;
+ else if (!strcmp(s[0]->buf, "left"))
+ align->position = ALIGN_LEFT;
+ else if (!strcmp(s[0]->buf, "right"))
+ align->position = ALIGN_RIGHT;
+ else if (!strcmp(s[0]->buf, "middle"))
+ align->position = ALIGN_MIDDLE;
+ else
+ die(_("improper format entered align:%s"), s[0]->buf);
+ s++;
+ }
+
+ if (width < 0)
+ die(_("positive width expected with the %%(align) atom"));
+ align->width = width;
+ strbuf_list_free(to_free);
+ v->handler = align_atom_handler;
+ continue;
+ } else if (!strcmp(name, "end")) {
+ v->handler = end_atom_handler;
+ continue;
} else
continue;
else if (!strcmp(formatp, "track") &&
(starts_with(name, "upstream") ||
starts_with(name, "push"))) {
- char buf[40];
if (stat_tracking_info(branch, &num_ours,
&num_theirs, NULL))
if (!num_ours && !num_theirs)
v->s = "";
- else if (!num_ours) {
- sprintf(buf, "[behind %d]", num_theirs);
- v->s = xstrdup(buf);
- } else if (!num_theirs) {
- sprintf(buf, "[ahead %d]", num_ours);
- v->s = xstrdup(buf);
- } else {
- sprintf(buf, "[ahead %d, behind %d]",
- num_ours, num_theirs);
- v->s = xstrdup(buf);
- }
+ else if (!num_ours)
+ v->s = xstrfmt("[behind %d]", num_theirs);
+ else if (!num_theirs)
+ v->s = xstrfmt("[ahead %d]", num_ours);
+ else
+ v->s = xstrfmt("[ahead %d, behind %d]",
+ num_ours, num_theirs);
continue;
} else if (!strcmp(formatp, "trackshort") &&
(starts_with(name, "upstream") ||
if (!deref)
v->s = refname;
- else {
- int len = strlen(refname);
- char *s = xmalloc(len + 4);
- sprintf(s, "%s^{}", refname);
- v->s = s;
- }
+ else
+ v->s = xstrfmt("%s^{}", refname);
}
for (i = 0; i < used_atom_cnt; i++) {
* 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->sha1;
+ tagged = get_object_hash(*((struct tag *)obj)->tagged);
/*
* NEEDSWORK: This derefs tag only once, which
*v = &ref->value[atom];
}
+enum contains_result {
+ CONTAINS_UNKNOWN = -1,
+ CONTAINS_NO = 0,
+ CONTAINS_YES = 1
+};
+
+/*
+ * 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 or one of its parents 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)
+{
+ /* was it previously marked as containing a want commit? */
+ if (candidate->object.flags & TMP_MARK)
+ return 1;
+ /* or marked as not possibly containing a want commit? */
+ if (candidate->object.flags & UNINTERESTING)
+ return 0;
+ /* or are we it? */
+ if (in_commit_list(want, candidate)) {
+ candidate->object.flags |= TMP_MARK;
+ return 1;
+ }
+
+ if (parse_commit(candidate) < 0)
+ return 0;
+
+ return -1;
+}
+
+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_stack contains_stack = { 0, 0, NULL };
+ int result = contains_test(candidate, want);
+
+ 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) {
+ commit->object.flags |= UNINTERESTING;
+ contains_stack.nr--;
+ }
+ /*
+ * If we just popped the stack, parents->item has been marked,
+ * therefore contains_test will return a meaningful 0 or 1.
+ */
+ else switch (contains_test(parents->item, want)) {
+ case CONTAINS_YES:
+ commit->object.flags |= TMP_MARK;
+ 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);
+}
+
+static int commit_contains(struct ref_filter *filter, struct commit *commit)
+{
+ if (filter->with_commit_tag_algo)
+ return contains_tag_algo(commit, filter->with_commit);
+ return is_descendant_of(commit, filter->with_commit);
+}
+
+/*
+ * 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
+ * matches "refs/heads/mas*", too).
+ */
+static int match_pattern(const char **patterns, const char *refname)
+{
+ /*
+ * When no '--format' option is given we need to skip the prefix
+ * for matching refs of tags and branches.
+ */
+ (void)(skip_prefix(refname, "refs/tags/", &refname) ||
+ skip_prefix(refname, "refs/heads/", &refname) ||
+ skip_prefix(refname, "refs/remotes/", &refname) ||
+ skip_prefix(refname, "refs/", &refname));
+
+ for (; *patterns; patterns++) {
+ if (!wildmatch(*patterns, refname, 0, NULL))
+ return 1;
+ }
+ return 0;
+}
+
/*
* Return 1 if the refname matches one of the patterns, otherwise 0.
* A pattern can be path prefix (e.g. a refname "refs/heads/master"
- * matches a pattern "refs/heads/") or a wildcard (e.g. the same ref
- * matches "refs/heads/m*",too).
+ * matches a pattern "refs/heads/" but not "refs/heads/m") or a
+ * wildcard (e.g. the same ref matches "refs/heads/m*", too).
*/
static int match_name_as_path(const char **pattern, const char *refname)
{
return 0;
}
+/* Return 1 if the refname matches one of the patterns, otherwise 0. */
+static int filter_pattern_match(struct ref_filter *filter, const char *refname)
+{
+ if (!*filter->name_patterns)
+ return 1; /* No pattern always matches */
+ if (filter->match_as_path)
+ return match_name_as_path(filter->name_patterns, refname);
+ return match_pattern(filter->name_patterns, refname);
+}
+
+/*
+ * Given a ref (sha1, refname), check if the ref belongs to the array
+ * of sha1s. If the given ref is a tag, check if the given tag points
+ * at one of the sha1s in the given sha1 array.
+ * the given sha1_array.
+ * NEEDSWORK:
+ * 1. Only a single level of inderection is obtained, we might want to
+ * change this to account for multiple levels (e.g. annotated tags
+ * pointing to annotated tags pointing to a commit.)
+ * 2. As the refs are cached we might know what refname peels to without
+ * the need to parse the object via parse_object(). peel_ref() might be a
+ * more efficient alternative to obtain the pointee.
+ */
+static const unsigned char *match_points_at(struct sha1_array *points_at,
+ const unsigned char *sha1,
+ const char *refname)
+{
+ const unsigned char *tagged_sha1 = NULL;
+ struct object *obj;
+
+ if (sha1_array_lookup(points_at, sha1) >= 0)
+ return sha1;
+ obj = parse_object(sha1);
+ if (!obj)
+ die(_("malformed object at '%s'"), refname);
+ if (obj->type == OBJ_TAG)
+ tagged_sha1 = get_object_hash(*((struct tag *)obj)->tagged);
+ if (tagged_sha1 && sha1_array_lookup(points_at, tagged_sha1) >= 0)
+ return tagged_sha1;
+ return NULL;
+}
+
/* Allocate space for a new ref_array_item and copy the objectname and flag to it */
static struct ref_array_item *new_ref_array_item(const char *refname,
const unsigned char *objectname,
return ref;
}
+static int filter_ref_kind(struct ref_filter *filter, const char *refname)
+{
+ unsigned int i;
+
+ static struct {
+ const char *prefix;
+ unsigned int kind;
+ } ref_kind[] = {
+ { "refs/heads/" , FILTER_REFS_BRANCHES },
+ { "refs/remotes/" , FILTER_REFS_REMOTES },
+ { "refs/tags/", FILTER_REFS_TAGS}
+ };
+
+ if (filter->kind == FILTER_REFS_BRANCHES ||
+ filter->kind == FILTER_REFS_REMOTES ||
+ filter->kind == FILTER_REFS_TAGS)
+ return filter->kind;
+ else if (!strcmp(refname, "HEAD"))
+ return FILTER_REFS_DETACHED_HEAD;
+
+ for (i = 0; i < ARRAY_SIZE(ref_kind); i++) {
+ if (starts_with(refname, ref_kind[i].prefix))
+ return ref_kind[i].kind;
+ }
+
+ return FILTER_REFS_OTHERS;
+}
+
/*
* A call-back given to for_each_ref(). Filter refs and keep them for
* later object processing.
struct ref_filter_cbdata *ref_cbdata = cb_data;
struct ref_filter *filter = ref_cbdata->filter;
struct ref_array_item *ref;
+ struct commit *commit = NULL;
+ unsigned int kind;
if (flag & REF_BAD_NAME) {
warning("ignoring ref with broken name %s", refname);
return 0;
}
- if (*filter->name_patterns && !match_name_as_path(filter->name_patterns, refname))
+ /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */
+ kind = filter_ref_kind(filter, refname);
+ if (!(kind & filter->kind))
+ return 0;
+
+ if (!filter_pattern_match(filter, refname))
+ return 0;
+
+ if (filter->points_at.nr && !match_points_at(&filter->points_at, oid->hash, refname))
return 0;
+ /*
+ * A merge filter is applied on refs pointing to commits. Hence
+ * obtain the commit using the 'oid' available and discard all
+ * non-commits early. The actual filtering is done later.
+ */
+ if (filter->merge_commit || filter->with_commit || filter->verbose) {
+ commit = lookup_commit_reference_gently(oid->hash, 1);
+ if (!commit)
+ return 0;
+ /* We perform the filtering for the '--contains' option */
+ if (filter->with_commit &&
+ !commit_contains(filter, commit))
+ return 0;
+ }
+
/*
* We do not open the object yet; sort may only need refname
* to do its job and the resulting list may yet to be pruned
* by maxcount logic.
*/
ref = new_ref_array_item(refname, oid->hash, flag);
+ ref->commit = commit;
REALLOC_ARRAY(ref_cbdata->array->items, ref_cbdata->array->nr + 1);
ref_cbdata->array->items[ref_cbdata->array->nr++] = ref;
+ ref->kind = kind;
return 0;
}
array->nr = array->alloc = 0;
}
+static void do_merge_filter(struct ref_filter_cbdata *ref_cbdata)
+{
+ struct rev_info revs;
+ int i, old_nr;
+ struct ref_filter *filter = ref_cbdata->filter;
+ struct ref_array *array = ref_cbdata->array;
+ struct commit **to_clear = xcalloc(sizeof(struct commit *), array->nr);
+
+ init_revisions(&revs, NULL);
+
+ for (i = 0; i < array->nr; i++) {
+ struct ref_array_item *item = array->items[i];
+ add_pending_object(&revs, &item->commit->object, item->refname);
+ to_clear[i] = item->commit;
+ }
+
+ filter->merge_commit->object.flags |= UNINTERESTING;
+ add_pending_object(&revs, &filter->merge_commit->object, "");
+
+ revs.limited = 1;
+ if (prepare_revision_walk(&revs))
+ die(_("revision walk setup failed"));
+
+ old_nr = array->nr;
+ array->nr = 0;
+
+ for (i = 0; i < old_nr; i++) {
+ struct ref_array_item *item = array->items[i];
+ struct commit *commit = item->commit;
+
+ int is_merged = !!(commit->object.flags & UNINTERESTING);
+
+ if (is_merged == (filter->merge == REF_FILTER_MERGED_INCLUDE))
+ array->items[array->nr++] = array->items[i];
+ else
+ free_array_item(item);
+ }
+
+ for (i = 0; i < old_nr; i++)
+ clear_commit_marks(to_clear[i], ALL_REV_FLAGS);
+ clear_commit_marks(filter->merge_commit, ALL_REV_FLAGS);
+ free(to_clear);
+}
+
/*
* API for filtering a set of refs. Based on the type of refs the user
* has requested, we iterate through those refs and apply filters
int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type)
{
struct ref_filter_cbdata ref_cbdata;
+ int ret = 0;
+ unsigned int broken = 0;
ref_cbdata.array = array;
ref_cbdata.filter = filter;
- if (type & (FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN))
- return for_each_rawref(ref_filter_handler, &ref_cbdata);
- else if (type & FILTER_REFS_ALL)
- return for_each_ref(ref_filter_handler, &ref_cbdata);
- else
+ if (type & FILTER_REFS_INCLUDE_BROKEN)
+ broken = 1;
+ filter->kind = type & FILTER_REFS_KIND_MASK;
+
+ /* Simple per-ref filtering */
+ if (!filter->kind)
die("filter_refs: invalid type");
- return 0;
+ else {
+ /*
+ * For common cases where we need only branches or remotes or tags,
+ * we only iterate through those refs. If a mix of refs is needed,
+ * we iterate over all refs and filter out required refs with the help
+ * of filter_ref_kind().
+ */
+ if (filter->kind == FILTER_REFS_BRANCHES)
+ ret = for_each_fullref_in("refs/heads/", ref_filter_handler, &ref_cbdata, broken);
+ else if (filter->kind == FILTER_REFS_REMOTES)
+ ret = for_each_fullref_in("refs/remotes/", ref_filter_handler, &ref_cbdata, broken);
+ else if (filter->kind == FILTER_REFS_TAGS)
+ ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata, broken);
+ else if (filter->kind & FILTER_REFS_ALL)
+ ret = for_each_fullref_in("", ref_filter_handler, &ref_cbdata, broken);
+ if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD))
+ head_ref(ref_filter_handler, &ref_cbdata);
+ }
+
+
+ /* Filters that need revision walking */
+ if (filter->merge_commit)
+ do_merge_filter(&ref_cbdata);
+
+ return ret;
}
static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b)
get_ref_atom_value(a, s->atom, &va);
get_ref_atom_value(b, s->atom, &vb);
- switch (cmp_type) {
- case FIELD_STR:
+ if (s->version)
+ cmp = versioncmp(va->s, vb->s);
+ else if (cmp_type == FIELD_STR)
cmp = strcmp(va->s, vb->s);
- break;
- default:
+ else {
if (va->ul < vb->ul)
cmp = -1;
else if (va->ul == vb->ul)
- cmp = 0;
+ cmp = strcmp(a->refname, b->refname);
else
cmp = 1;
- break;
}
+
return (s->reverse) ? -cmp : cmp;
}
qsort(array->items, array->nr, sizeof(struct ref_array_item *), compare_refs);
}
-static void print_value(struct atom_value *v, int quote_style)
-{
- struct strbuf sb = STRBUF_INIT;
- switch (quote_style) {
- case QUOTE_NONE:
- fputs(v->s, stdout);
- break;
- case QUOTE_SHELL:
- sq_quote_buf(&sb, v->s);
- break;
- case QUOTE_PERL:
- perl_quote_buf(&sb, v->s);
- break;
- case QUOTE_PYTHON:
- python_quote_buf(&sb, v->s);
- break;
- case QUOTE_TCL:
- tcl_quote_buf(&sb, v->s);
- break;
- }
- if (quote_style != QUOTE_NONE) {
- fputs(sb.buf, stdout);
- strbuf_release(&sb);
- }
-}
-
static int hex1(char ch)
{
if ('0' <= ch && ch <= '9')
return -1;
}
-static void emit(const char *cp, const char *ep)
+static void append_literal(const char *cp, const char *ep, struct ref_formatting_state *state)
{
+ struct strbuf *s = &state->stack->output;
+
while (*cp && (!ep || cp < ep)) {
if (*cp == '%') {
if (cp[1] == '%')
else {
int ch = hex2(cp + 1);
if (0 <= ch) {
- putchar(ch);
+ strbuf_addch(s, ch);
cp += 3;
continue;
}
}
}
- putchar(*cp);
+ strbuf_addch(s, *cp);
cp++;
}
}
void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style)
{
const char *cp, *sp, *ep;
+ struct strbuf *final_buf;
+ struct ref_formatting_state state = REF_FORMATTING_STATE_INIT;
+
+ state.quote_style = quote_style;
+ push_stack_element(&state.stack);
for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
struct atom_value *atomv;
ep = strchr(sp, ')');
if (cp < sp)
- emit(cp, sp);
+ append_literal(cp, sp, &state);
get_ref_atom_value(info, parse_ref_filter_atom(sp + 2, ep), &atomv);
- print_value(atomv, quote_style);
+ atomv->handler(atomv, &state);
}
if (*cp) {
sp = cp + strlen(cp);
- emit(cp, sp);
+ append_literal(cp, sp, &state);
}
if (need_color_reset_at_eol) {
struct atom_value resetv;
if (color_parse("reset", color) < 0)
die("BUG: couldn't parse 'reset' as a color");
resetv.s = color;
- print_value(&resetv, quote_style);
+ append_atom(&resetv, &state);
}
+ if (state.stack->prev)
+ die(_("format: %%(end) atom missing"));
+ final_buf = &state.stack->output;
+ fwrite(final_buf->buf, 1, final_buf->len, stdout);
+ pop_stack_element(&state.stack);
putchar('\n');
}
s->reverse = 1;
arg++;
}
+ if (skip_prefix(arg, "version:", &arg) ||
+ skip_prefix(arg, "v:", &arg))
+ s->version = 1;
len = strlen(arg);
s->atom = parse_ref_filter_atom(arg, arg+len);
return 0;
}
+
+int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset)
+{
+ struct ref_filter *rf = opt->value;
+ unsigned char sha1[20];
+
+ rf->merge = starts_with(opt->long_name, "no")
+ ? REF_FILTER_MERGED_OMIT
+ : REF_FILTER_MERGED_INCLUDE;
+
+ if (get_sha1(arg, sha1))
+ die(_("malformed object name %s"), arg);
+
+ rf->merge_commit = lookup_commit_reference_gently(sha1, 0);
+ if (!rf->merge_commit)
+ return opterror(opt, "must point to a commit", 0);
+
+ return 0;
+}