completion: improve handling quoted paths on the command line
[gitweb.git] / ref-filter.c
index 2259563e732d27b91c1e8515958db2452ba27032..9a333e21b51a0583415e23f905876291dd2ef349 100644 (file)
@@ -84,6 +84,7 @@ static struct used_atom {
                } remote_ref;
                struct {
                        enum { C_BARE, C_BODY, C_BODY_DEP, C_LINES, C_SIG, C_SUB, C_TRAILERS } option;
+                       struct process_trailer_options trailer_opts;
                        unsigned int nlines;
                } contents;
                struct {
@@ -193,9 +194,23 @@ static void subject_atom_parser(const struct ref_format *format, struct used_ato
 
 static void trailers_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
 {
-       if (arg)
-               die(_("%%(trailers) does not take arguments"));
+       struct string_list params = STRING_LIST_INIT_DUP;
+       int i;
+
+       if (arg) {
+               string_list_split(&params, arg, ',', -1);
+               for (i = 0; i < params.nr; i++) {
+                       const char *s = params.items[i].string;
+                       if (!strcmp(s, "unfold"))
+                               atom->u.contents.trailer_opts.unfold = 1;
+                       else if (!strcmp(s, "only"))
+                               atom->u.contents.trailer_opts.only_trailers = 1;
+                       else
+                               die(_("unknown %%(trailers) argument: %s"), s);
+               }
+       }
        atom->u.contents.option = C_TRAILERS;
+       string_list_clear(&params, 0);
 }
 
 static void contents_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
@@ -208,9 +223,10 @@ static void contents_atom_parser(const struct ref_format *format, struct used_at
                atom->u.contents.option = C_SIG;
        else if (!strcmp(arg, "subject"))
                atom->u.contents.option = C_SUB;
-       else if (!strcmp(arg, "trailers"))
-               atom->u.contents.option = C_TRAILERS;
-       else if (skip_prefix(arg, "lines=", &arg)) {
+       else if (skip_prefix(arg, "trailers", &arg)) {
+               skip_prefix(arg, ":", &arg);
+               trailers_atom_parser(format, atom, *arg ? arg : NULL);
+       } else if (skip_prefix(arg, "lines=", &arg)) {
                atom->u.contents.option = C_LINES;
                if (strtoul_ui(arg, 10, &atom->u.contents.nlines))
                        die(_("positive value expected contents:lines=%s"), arg);
@@ -424,8 +440,16 @@ static int parse_ref_filter_atom(const struct ref_format *format,
        REALLOC_ARRAY(used_atom, used_atom_cnt);
        used_atom[at].name = xmemdupz(atom, ep - atom);
        used_atom[at].type = valid_atom[i].cmp_type;
-       if (arg)
+       if (arg) {
                arg = used_atom[at].name + (arg - atom) + 1;
+               if (!*arg) {
+                       /*
+                        * Treat empty sub-arguments list as NULL (i.e.,
+                        * "%(atom:)" is equivalent to "%(atom)").
+                        */
+                       arg = NULL;
+               }
+       }
        memset(&used_atom[at].u, 0, sizeof(used_atom[at].u));
        if (valid_atom[i].parser)
                valid_atom[i].parser(format, &used_atom[at], arg);
@@ -505,12 +529,12 @@ 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)
@@ -550,16 +574,16 @@ 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)
@@ -704,7 +728,7 @@ int verify_ref_format(struct ref_format *format)
 static void *get_obj(const struct object_id *oid, struct object **obj, unsigned long *sz, int *eaten)
 {
        enum object_type type;
-       void *buf = read_sha1_file(oid->hash, &type, sz);
+       void *buf = read_object_file(oid, &type, sz);
 
        if (buf)
                *obj = parse_object_buffer(oid, type, *sz, buf, eaten);
@@ -713,18 +737,18 @@ static void *get_obj(const struct object_id *oid, struct object **obj, unsigned
        return buf;
 }
 
-static int grab_objectname(const char *name, const unsigned char *sha1,
+static int grab_objectname(const char *name, const struct object_id *oid,
                           struct atom_value *v, struct used_atom *atom)
 {
        if (starts_with(name, "objectname")) {
                if (atom->u.objectname.option == O_SHORT) {
-                       v->s = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
+                       v->s = xstrdup(find_unique_abbrev(oid, DEFAULT_ABBREV));
                        return 1;
                } else if (atom->u.objectname.option == O_FULL) {
-                       v->s = xstrdup(sha1_to_hex(sha1));
+                       v->s = xstrdup(oid_to_hex(oid));
                        return 1;
                } else if (atom->u.objectname.option == O_LENGTH) {
-                       v->s = xstrdup(find_unique_abbrev(sha1, atom->u.objectname.length));
+                       v->s = xstrdup(find_unique_abbrev(oid, atom->u.objectname.length));
                        return 1;
                } else
                        die("BUG: unknown %%(objectname) option");
@@ -745,13 +769,13 @@ 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);
                }
                else if (deref)
-                       grab_objectname(name, obj->oid.hash, v, &used_atom[i]);
+                       grab_objectname(name, &obj->oid, v, &used_atom[i]);
        }
 }
 
@@ -771,7 +795,7 @@ 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));
        }
@@ -1051,7 +1075,7 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct obj
                        name++;
                if (strcmp(name, "subject") &&
                    strcmp(name, "body") &&
-                   strcmp(name, "trailers") &&
+                   !starts_with(name, "trailers") &&
                    !starts_with(name, "contents"))
                        continue;
                if (!subpos)
@@ -1076,13 +1100,12 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct obj
                        append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines);
                        v->s = strbuf_detach(&s, NULL);
                } else if (atom->u.contents.option == C_TRAILERS) {
-                       struct trailer_info info;
+                       struct strbuf s = STRBUF_INIT;
 
-                       /* Search for trailer info */
-                       trailer_info_get(&info, subpos);
-                       v->s = xmemdupz(info.trailer_start,
-                                       info.trailer_end - info.trailer_start);
-                       trailer_info_release(&info);
+                       /* Format the trailer info according to the trailer_opts given */
+                       format_trailers_from_commit(&s, subpos, &atom->u.contents.trailer_opts);
+
+                       v->s = strbuf_detach(&s, NULL);
                } else if (atom->u.contents.option == C_BARE)
                        v->s = xstrdup(subpos);
        }
@@ -1226,8 +1249,8 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
        if (atom->u.remote_ref.option == RR_REF)
                *s = show_ref(&atom->u.remote_ref.refname, refname);
        else if (atom->u.remote_ref.option == RR_TRACK) {
-               if (stat_tracking_info(branch, &num_ours,
-                                      &num_theirs, NULL)) {
+               if (stat_tracking_info(branch, &num_ours, &num_theirs,
+                                      NULL, AHEAD_BEHIND_FULL) < 0) {
                        *s = xstrdup(msgs.gone);
                } else if (!num_ours && !num_theirs)
                        *s = "";
@@ -1244,8 +1267,8 @@ static void fill_remote_ref_details(struct used_atom *atom, const char *refname,
                        free((void *)to_free);
                }
        } else if (atom->u.remote_ref.option == RR_TRACKSHORT) {
-               if (stat_tracking_info(branch, &num_ours,
-                                      &num_theirs, NULL))
+               if (stat_tracking_info(branch, &num_ours, &num_theirs,
+                                      NULL, AHEAD_BEHIND_FULL) < 0)
                        return;
 
                if (!num_ours && !num_theirs)
@@ -1331,15 +1354,31 @@ static const char *get_refname(struct used_atom *atom, struct ref_array_item *re
        return show_ref(&atom->u.refname, ref->refname);
 }
 
+static void get_object(struct ref_array_item *ref, const struct object_id *oid,
+                      int deref, struct object **obj)
+{
+       int eaten;
+       unsigned long size;
+       void *buf = get_obj(oid, obj, &size, &eaten);
+       if (!buf)
+               die(_("missing object %s for %s"),
+                   oid_to_hex(oid), ref->refname);
+       if (!*obj)
+               die(_("parse_object_buffer failed on %s for %s"),
+                   oid_to_hex(oid), ref->refname);
+
+       grab_values(ref->value, deref, *obj, buf, size);
+       if (!eaten)
+               free(buf);
+}
+
 /*
  * Parse the object referred by ref, and grab needed value.
  */
 static void populate_value(struct ref_array_item *ref)
 {
-       void *buf;
        struct object *obj;
-       int eaten, i;
-       unsigned long size;
+       int i;
        const struct object_id *tagged;
 
        ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
@@ -1416,7 +1455,7 @@ static void populate_value(struct ref_array_item *ref)
                                v->s = xstrdup(buf + 1);
                        }
                        continue;
-               } else if (!deref && grab_objectname(name, ref->objectname.hash, v, atom)) {
+               } else if (!deref && grab_objectname(name, &ref->objectname, v, atom)) {
                        continue;
                } else if (!strcmp(name, "HEAD")) {
                        if (atom->u.head && !strcmp(ref->refname, atom->u.head))
@@ -1455,22 +1494,12 @@ static void populate_value(struct ref_array_item *ref)
        for (i = 0; i < used_atom_cnt; i++) {
                struct atom_value *v = &ref->value[i];
                if (v->s == NULL)
-                       goto need_obj;
+                       break;
        }
-       return;
-
- need_obj:
-       buf = get_obj(&ref->objectname, &obj, &size, &eaten);
-       if (!buf)
-               die(_("missing object %s for %s"),
-                   oid_to_hex(&ref->objectname), ref->refname);
-       if (!obj)
-               die(_("parse_object_buffer failed on %s for %s"),
-                   oid_to_hex(&ref->objectname), ref->refname);
+       if (used_atom_cnt <= i)
+               return;
 
-       grab_values(ref->value, 0, obj, buf, size);
-       if (!eaten)
-               free(buf);
+       get_object(ref, &ref->objectname, 0, &obj);
 
        /*
         * If there is no atom that wants to know about tagged
@@ -1491,16 +1520,7 @@ static void populate_value(struct ref_array_item *ref)
         * is not consistent with what deref_tag() does
         * which peels the onion to the core.
         */
-       buf = get_obj(tagged, &obj, &size, &eaten);
-       if (!buf)
-               die(_("missing object %s for %s"),
-                   oid_to_hex(tagged), ref->refname);
-       if (!obj)
-               die(_("parse_object_buffer failed on %s for %s"),
-                   oid_to_hex(tagged), ref->refname);
-       grab_values(ref->value, 1, obj, buf, size);
-       if (!eaten)
-               free(buf);
+       get_object(ref, tagged, 1, &obj);
 }
 
 /*
@@ -1972,8 +1992,7 @@ static void do_merge_filter(struct ref_filter_cbdata *ref_cbdata)
                        free_array_item(item);
        }
 
-       for (i = 0; i < old_nr; i++)
-               clear_commit_marks(to_clear[i], ALL_REV_FLAGS);
+       clear_commit_marks_many(old_nr, to_clear, ALL_REV_FLAGS);
        clear_commit_marks(filter->merge_commit, ALL_REV_FLAGS);
        free(to_clear);
 }