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-rw-r--r--ref-filter.c193
1 files changed, 139 insertions, 54 deletions
diff --git a/ref-filter.c b/ref-filter.c
index 3742abb..bc591f4 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -97,14 +97,19 @@ static struct used_atom {
} u;
} *used_atom;
static int used_atom_cnt, need_tagged, need_symref;
-static int need_color_reset_at_eol;
-static void color_atom_parser(struct used_atom *atom, const char *color_value)
+static void color_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *color_value)
{
if (!color_value)
die(_("expected format: %%(color:<color>)"));
if (color_parse(color_value, atom->u.color) < 0)
die(_("unrecognized color: %%(color:%s)"), color_value);
+ /*
+ * We check this after we've parsed the color, which lets us complain
+ * about syntactically bogus color names even if they won't be used.
+ */
+ if (!want_color(format->use_color))
+ color_parse("", atom->u.color);
}
static void refname_atom_parser_internal(struct refname_atom *atom,
@@ -127,7 +132,7 @@ static void refname_atom_parser_internal(struct refname_atom *atom,
die(_("unrecognized %%(%s) argument: %s"), name, arg);
}
-static void remote_ref_atom_parser(struct used_atom *atom, const char *arg)
+static void remote_ref_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
struct string_list params = STRING_LIST_INIT_DUP;
int i;
@@ -161,28 +166,28 @@ static void remote_ref_atom_parser(struct used_atom *atom, const char *arg)
string_list_clear(&params, 0);
}
-static void body_atom_parser(struct used_atom *atom, const char *arg)
+static void body_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
if (arg)
die(_("%%(body) does not take arguments"));
atom->u.contents.option = C_BODY_DEP;
}
-static void subject_atom_parser(struct used_atom *atom, const char *arg)
+static void subject_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
if (arg)
die(_("%%(subject) does not take arguments"));
atom->u.contents.option = C_SUB;
}
-static void trailers_atom_parser(struct used_atom *atom, const char *arg)
+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"));
atom->u.contents.option = C_TRAILERS;
}
-static void contents_atom_parser(struct used_atom *atom, const char *arg)
+static void contents_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
if (!arg)
atom->u.contents.option = C_BARE;
@@ -202,7 +207,7 @@ static void contents_atom_parser(struct used_atom *atom, const char *arg)
die(_("unrecognized %%(contents) argument: %s"), arg);
}
-static void objectname_atom_parser(struct used_atom *atom, const char *arg)
+static void objectname_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
if (!arg)
atom->u.objectname.option = O_FULL;
@@ -219,9 +224,9 @@ static void objectname_atom_parser(struct used_atom *atom, const char *arg)
die(_("unrecognized %%(objectname) argument: %s"), arg);
}
-static void refname_atom_parser(struct used_atom *atom, const char *arg)
+static void refname_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
- return refname_atom_parser_internal(&atom->u.refname, arg, atom->name);
+ refname_atom_parser_internal(&atom->u.refname, arg, atom->name);
}
static align_type parse_align_position(const char *s)
@@ -235,7 +240,7 @@ static align_type parse_align_position(const char *s)
return -1;
}
-static void align_atom_parser(struct used_atom *atom, const char *arg)
+static void align_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
struct align *align = &atom->u.align;
struct string_list params = STRING_LIST_INIT_DUP;
@@ -274,7 +279,7 @@ static void align_atom_parser(struct used_atom *atom, const char *arg)
string_list_clear(&params, 0);
}
-static void if_atom_parser(struct used_atom *atom, const char *arg)
+static void if_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
if (!arg) {
atom->u.if_then_else.cmp_status = COMPARE_NONE;
@@ -288,7 +293,7 @@ static void if_atom_parser(struct used_atom *atom, const char *arg)
}
}
-static void head_atom_parser(struct used_atom *atom, const char *arg)
+static void head_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
struct object_id unused;
@@ -298,7 +303,7 @@ static void head_atom_parser(struct used_atom *atom, const char *arg)
static struct {
const char *name;
cmp_type cmp_type;
- void (*parser)(struct used_atom *atom, const char *arg);
+ void (*parser)(const struct ref_format *format, struct used_atom *atom, const char *arg);
} valid_atom[] = {
{ "refname" , FIELD_STR, refname_atom_parser },
{ "objecttype" },
@@ -365,7 +370,8 @@ struct atom_value {
/*
* Used to parse format string and sort specifiers
*/
-int parse_ref_filter_atom(const char *atom, const char *ep)
+static int parse_ref_filter_atom(const struct ref_format *format,
+ const char *atom, const char *ep)
{
const char *sp;
const char *arg;
@@ -413,7 +419,7 @@ int parse_ref_filter_atom(const char *atom, const char *ep)
arg = used_atom[at].name + (arg - atom) + 1;
memset(&used_atom[at].u, 0, sizeof(used_atom[at].u));
if (valid_atom[i].parser)
- valid_atom[i].parser(&used_atom[at], arg);
+ valid_atom[i].parser(format, &used_atom[at], arg);
if (*atom == '*')
need_tagged = 1;
if (!strcmp(valid_atom[i].name, "symref"))
@@ -657,24 +663,26 @@ static const char *find_next(const char *cp)
* Make sure the format string is well formed, and parse out
* the used atoms.
*/
-int verify_ref_format(const char *format)
+int verify_ref_format(struct ref_format *format)
{
const char *cp, *sp;
- need_color_reset_at_eol = 0;
- for (cp = format; *cp && (sp = find_next(cp)); ) {
+ format->need_color_reset_at_eol = 0;
+ for (cp = format->format; *cp && (sp = find_next(cp)); ) {
const char *color, *ep = strchr(sp, ')');
int at;
if (!ep)
return error(_("malformed format string %s"), sp);
/* sp points at "%(" and ep points at the closing ")" */
- at = parse_ref_filter_atom(sp + 2, ep);
+ at = parse_ref_filter_atom(format, sp + 2, ep);
cp = ep + 1;
if (skip_prefix(used_atom[at].name, "color:", &color))
- need_color_reset_at_eol = !!strcmp(color, "reset");
+ format->need_color_reset_at_eol = !!strcmp(color, "reset");
}
+ if (format->need_color_reset_at_eol && !want_color(format->use_color))
+ format->need_color_reset_at_eol = 0;
return 0;
}
@@ -1258,13 +1266,17 @@ char *get_head_description(void)
state.branch);
else if (state.detached_from) {
if (state.detached_at)
- /* TRANSLATORS: make sure this matches
- "HEAD detached at " in wt-status.c */
+ /*
+ * TRANSLATORS: make sure this matches "HEAD
+ * detached at " in wt-status.c
+ */
strbuf_addf(&desc, _("(HEAD detached at %s)"),
state.detached_from);
else
- /* TRANSLATORS: make sure this matches
- "HEAD detached from " in wt-status.c */
+ /*
+ * TRANSLATORS: make sure this matches "HEAD
+ * detached from " in wt-status.c
+ */
strbuf_addf(&desc, _("(HEAD detached from %s)"),
state.detached_from);
}
@@ -1620,7 +1632,7 @@ static int match_pattern(const struct ref_filter *filter, const char *refname)
skip_prefix(refname, "refs/", &refname));
for (; *patterns; patterns++) {
- if (!wildmatch(*patterns, refname, flags, NULL))
+ if (!wildmatch(*patterns, refname, flags))
return 1;
}
return 0;
@@ -1651,7 +1663,7 @@ static int match_name_as_path(const struct ref_filter *filter, const char *refna
refname[plen] == '/' ||
p[plen-1] == '/'))
return 1;
- if (!wildmatch(p, refname, WM_PATHNAME, NULL))
+ if (!wildmatch(p, refname, WM_PATHNAME))
return 1;
}
return 0;
@@ -1668,6 +1680,68 @@ static int filter_pattern_match(struct ref_filter *filter, const char *refname)
}
/*
+ * Find the longest prefix of pattern we can pass to
+ * `for_each_fullref_in()`, namely the part of pattern preceding the
+ * first glob character. (Note that `for_each_fullref_in()` is
+ * perfectly happy working with a prefix that doesn't end at a
+ * pathname component boundary.)
+ */
+static void find_longest_prefix(struct strbuf *out, const char *pattern)
+{
+ const char *p;
+
+ for (p = pattern; *p && !is_glob_special(*p); p++)
+ ;
+
+ strbuf_add(out, pattern, p - pattern);
+}
+
+/*
+ * This is the same as for_each_fullref_in(), but it tries to iterate
+ * only over the patterns we'll care about. Note that it _doesn't_ do a full
+ * pattern match, so the callback still has to match each ref individually.
+ */
+static int for_each_fullref_in_pattern(struct ref_filter *filter,
+ each_ref_fn cb,
+ void *cb_data,
+ int broken)
+{
+ struct strbuf prefix = STRBUF_INIT;
+ int ret;
+
+ if (!filter->match_as_path) {
+ /*
+ * in this case, the patterns are applied after
+ * prefixes like "refs/heads/" etc. are stripped off,
+ * so we have to look at everything:
+ */
+ return for_each_fullref_in("", cb, cb_data, broken);
+ }
+
+ if (!filter->name_patterns[0]) {
+ /* no patterns; we have to look at everything */
+ return for_each_fullref_in("", cb, cb_data, broken);
+ }
+
+ if (filter->name_patterns[1]) {
+ /*
+ * multiple patterns; in theory this could still work as long
+ * as the patterns are disjoint. We'd just make multiple calls
+ * to for_each_ref(). But if they're not disjoint, we'd end up
+ * reporting the same ref multiple times. So let's punt on that
+ * for now.
+ */
+ return for_each_fullref_in("", cb, cb_data, broken);
+ }
+
+ find_longest_prefix(&prefix, filter->name_patterns[0]);
+
+ ret = for_each_fullref_in(prefix.buf, cb, cb_data, broken);
+ strbuf_release(&prefix);
+ return ret;
+}
+
+/*
* 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.
@@ -1825,8 +1899,7 @@ void ref_array_clear(struct ref_array *array)
for (i = 0; i < array->nr; i++)
free_array_item(array->items[i]);
- free(array->items);
- array->items = NULL;
+ FREE_AND_NULL(array->items);
array->nr = array->alloc = 0;
}
@@ -1913,7 +1986,7 @@ int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int
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);
+ ret = for_each_fullref_in_pattern(filter, ref_filter_handler, &ref_cbdata, broken);
if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD))
head_ref(ref_filter_handler, &ref_cbdata);
}
@@ -1995,35 +2068,34 @@ static void append_literal(const char *cp, const char *ep, struct ref_formatting
}
}
-void format_ref_array_item(struct ref_array_item *info, const char *format,
- int quote_style, struct strbuf *final_buf)
+void format_ref_array_item(struct ref_array_item *info,
+ const struct ref_format *format,
+ struct strbuf *final_buf)
{
const char *cp, *sp, *ep;
struct ref_formatting_state state = REF_FORMATTING_STATE_INIT;
- state.quote_style = quote_style;
+ state.quote_style = format->quote_style;
push_stack_element(&state.stack);
- for (cp = format; *cp && (sp = find_next(cp)); cp = ep + 1) {
+ for (cp = format->format; *cp && (sp = find_next(cp)); cp = ep + 1) {
struct atom_value *atomv;
ep = strchr(sp, ')');
if (cp < sp)
append_literal(cp, sp, &state);
- get_ref_atom_value(info, parse_ref_filter_atom(sp + 2, ep), &atomv);
+ get_ref_atom_value(info,
+ parse_ref_filter_atom(format, sp + 2, ep),
+ &atomv);
atomv->handler(atomv, &state);
}
if (*cp) {
sp = cp + strlen(cp);
append_literal(cp, sp, &state);
}
- if (need_color_reset_at_eol) {
+ if (format->need_color_reset_at_eol) {
struct atom_value resetv;
- char color[COLOR_MAXLEN] = "";
-
- if (color_parse("reset", color) < 0)
- die("BUG: couldn't parse 'reset' as a color");
- resetv.s = color;
+ resetv.s = GIT_COLOR_RESET;
append_atom(&resetv, &state);
}
if (state.stack->prev)
@@ -2032,26 +2104,38 @@ void format_ref_array_item(struct ref_array_item *info, const char *format,
pop_stack_element(&state.stack);
}
-void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style)
+void show_ref_array_item(struct ref_array_item *info,
+ const struct ref_format *format)
{
struct strbuf final_buf = STRBUF_INIT;
- format_ref_array_item(info, format, quote_style, &final_buf);
+ format_ref_array_item(info, format, &final_buf);
fwrite(final_buf.buf, 1, final_buf.len, stdout);
strbuf_release(&final_buf);
putchar('\n');
}
void pretty_print_ref(const char *name, const unsigned char *sha1,
- const char *format)
+ const struct ref_format *format)
{
struct ref_array_item *ref_item;
ref_item = new_ref_array_item(name, sha1, 0);
ref_item->kind = ref_kind_from_refname(name);
- show_ref_array_item(ref_item, format, 0);
+ show_ref_array_item(ref_item, format);
free_array_item(ref_item);
}
+static int parse_sorting_atom(const char *atom)
+{
+ /*
+ * This parses an atom using a dummy ref_format, since we don't
+ * actually care about the formatting details.
+ */
+ struct ref_format dummy = REF_FORMAT_INIT;
+ const char *end = atom + strlen(atom);
+ return parse_ref_filter_atom(&dummy, atom, end);
+}
+
/* If no sorting option is given, use refname to sort as default */
struct ref_sorting *ref_default_sorting(void)
{
@@ -2060,18 +2144,13 @@ struct ref_sorting *ref_default_sorting(void)
struct ref_sorting *sorting = xcalloc(1, sizeof(*sorting));
sorting->next = NULL;
- sorting->atom = parse_ref_filter_atom(cstr_name, cstr_name + strlen(cstr_name));
+ sorting->atom = parse_sorting_atom(cstr_name);
return sorting;
}
-int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset)
+void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg)
{
- struct ref_sorting **sorting_tail = opt->value;
struct ref_sorting *s;
- int len;
-
- if (!arg) /* should --no-sort void the list ? */
- return -1;
s = xcalloc(1, sizeof(*s));
s->next = *sorting_tail;
@@ -2084,8 +2163,14 @@ int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset)
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);
+ s->atom = parse_sorting_atom(arg);
+}
+
+int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset)
+{
+ if (!arg) /* should --no-sort void the list ? */
+ return -1;
+ parse_ref_sorting(opt->value, arg);
return 0;
}