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-rw-r--r--attr.c89
1 files changed, 58 insertions, 31 deletions
diff --git a/attr.c b/attr.c
index 8d13d70e80..1fcf042b87 100644
--- a/attr.c
+++ b/attr.c
@@ -12,6 +12,7 @@
#include "exec_cmd.h"
#include "attr.h"
#include "dir.h"
+#include "utf8.h"
const char git_attr__true[] = "(builtin)true";
const char git_attr__false[] = "\0(builtin)false";
@@ -32,9 +33,12 @@ struct git_attr {
struct git_attr *next;
unsigned h;
int attr_nr;
+ int maybe_macro;
+ int maybe_real;
char name[FLEX_ARRAY];
};
static int attr_nr;
+static int cannot_trust_maybe_real;
static struct git_attr_check *check_all_attr;
static struct git_attr *(git_attr_hash[HASHSIZE]);
@@ -89,16 +93,15 @@ static struct git_attr *git_attr_internal(const char *name, int len)
if (invalid_attr_name(name, len))
return NULL;
- a = xmalloc(sizeof(*a) + len + 1);
- memcpy(a->name, name, len);
- a->name[len] = 0;
+ FLEX_ALLOC_MEM(a, name, name, len);
a->h = hval;
a->next = git_attr_hash[pos];
a->attr_nr = attr_nr++;
+ a->maybe_macro = 0;
+ a->maybe_real = 0;
git_attr_hash[pos] = a;
- check_all_attr = xrealloc(check_all_attr,
- sizeof(*check_all_attr) * attr_nr);
+ REALLOC_ARRAY(check_all_attr, attr_nr);
check_all_attr[a->attr_nr].attr = a;
check_all_attr[a->attr_nr].value = ATTR__UNKNOWN;
return a;
@@ -119,7 +122,7 @@ struct pattern {
const char *pattern;
int patternlen;
int nowildcardlen;
- int flags; /* EXC_FLAG_* */
+ unsigned flags; /* EXC_FLAG_* */
};
/*
@@ -245,9 +248,10 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
sizeof(*res) +
sizeof(struct attr_state) * num_attr +
(is_macro ? 0 : namelen + 1));
- if (is_macro)
+ if (is_macro) {
res->u.attr = git_attr_internal(name, namelen);
- else {
+ res->u.attr->maybe_macro = 1;
+ } else {
char *p = (char *)&(res->state[num_attr]);
memcpy(p, name, namelen);
res->u.pat.pattern = p;
@@ -267,6 +271,10 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
/* Second pass to fill the attr_states */
for (cp = states, i = 0; *cp; i++) {
cp = parse_attr(src, lineno, cp, &(res->state[i]));
+ if (!is_macro)
+ res->state[i].attr->maybe_real = 1;
+ if (res->state[i].attr->maybe_macro)
+ cannot_trust_maybe_real = 1;
}
return res;
@@ -338,12 +346,7 @@ static void handle_attr_line(struct attr_stack *res,
a = parse_attr_line(line, src, lineno, macro_ok);
if (!a)
return;
- if (res->alloc <= res->num_matches) {
- res->alloc = alloc_nr(res->num_matches);
- res->attrs = xrealloc(res->attrs,
- sizeof(struct match_attr *) *
- res->alloc);
- }
+ ALLOC_GROW(res->attrs, res->num_matches + 1, res->alloc);
res->attrs[res->num_matches++] = a;
}
@@ -375,8 +378,12 @@ static struct attr_stack *read_attr_from_file(const char *path, int macro_ok)
return NULL;
}
res = xcalloc(1, sizeof(*res));
- while (fgets(buf, sizeof(buf), fp))
- handle_attr_line(res, buf, path, ++lineno, macro_ok);
+ while (fgets(buf, sizeof(buf), fp)) {
+ char *bufp = buf;
+ if (!lineno)
+ skip_utf8_bom(&bufp, strlen(bufp));
+ handle_attr_line(res, bufp, path, ++lineno, macro_ok);
+ }
fclose(fp);
return res;
}
@@ -481,10 +488,11 @@ static int git_attr_system(void)
return !git_env_bool("GIT_ATTR_NOSYSTEM", 0);
}
+static GIT_PATH_FUNC(git_path_info_attributes, INFOATTRIBUTES_FILE)
+
static void bootstrap_attr_stack(void)
{
struct attr_stack *elem;
- char *xdg_attributes_file;
if (attr_stack)
return;
@@ -503,10 +511,8 @@ static void bootstrap_attr_stack(void)
}
}
- if (!git_attributes_file) {
- home_config_paths(NULL, &xdg_attributes_file, "attributes");
- git_attributes_file = xdg_attributes_file;
- }
+ if (!git_attributes_file)
+ git_attributes_file = xdg_config_home("attributes");
if (git_attributes_file) {
elem = read_attr_from_file(git_attributes_file, 1);
if (elem) {
@@ -525,7 +531,11 @@ static void bootstrap_attr_stack(void)
debug_push(elem);
}
- elem = read_attr_from_file(git_path(INFOATTRIBUTES_FILE), 1);
+ if (startup_info->have_repository)
+ elem = read_attr_from_file(git_path_info_attributes(), 1);
+ else
+ elem = NULL;
+
if (!elem)
elem = xcalloc(1, sizeof(*elem));
elem->origin = NULL;
@@ -687,13 +697,14 @@ static int fill(const char *path, int pathlen, int basename_offset,
return rem;
}
-static int macroexpand_one(int attr_nr, int rem)
+static int macroexpand_one(int nr, int rem)
{
struct attr_stack *stk;
struct match_attr *a = NULL;
int i;
- if (check_all_attr[attr_nr].value != ATTR__TRUE)
+ if (check_all_attr[nr].value != ATTR__TRUE ||
+ !check_all_attr[nr].attr->maybe_macro)
return rem;
for (stk = attr_stack; !a && stk; stk = stk->prev)
@@ -701,7 +712,7 @@ static int macroexpand_one(int attr_nr, int rem)
struct match_attr *ma = stk->attrs[i];
if (!ma->is_macro)
continue;
- if (ma->u.attr->attr_nr == attr_nr)
+ if (ma->u.attr->attr_nr == nr)
a = ma;
}
@@ -712,10 +723,13 @@ static int macroexpand_one(int attr_nr, int rem)
}
/*
- * Collect all attributes for path into the array pointed to by
- * check_all_attr.
+ * Collect attributes for path into the array pointed to by
+ * check_all_attr. If num is non-zero, only attributes in check[] are
+ * collected. Otherwise all attributes are collected.
*/
-static void collect_all_attrs(const char *path)
+static void collect_some_attrs(const char *path, int num,
+ struct git_attr_check *check)
+
{
struct attr_stack *stk;
int i, pathlen, rem, dirlen;
@@ -738,6 +752,19 @@ static void collect_all_attrs(const char *path)
prepare_attr_stack(path, dirlen);
for (i = 0; i < attr_nr; i++)
check_all_attr[i].value = ATTR__UNKNOWN;
+ if (num && !cannot_trust_maybe_real) {
+ rem = 0;
+ for (i = 0; i < num; i++) {
+ if (!check[i].attr->maybe_real) {
+ struct git_attr_check *c;
+ c = check_all_attr + check[i].attr->attr_nr;
+ c->value = ATTR__UNSET;
+ rem++;
+ }
+ }
+ if (rem == num)
+ return;
+ }
rem = attr_nr;
for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
@@ -748,7 +775,7 @@ int git_check_attr(const char *path, int num, struct git_attr_check *check)
{
int i;
- collect_all_attrs(path);
+ collect_some_attrs(path, num, check);
for (i = 0; i < num; i++) {
const char *value = check_all_attr[check[i].attr->attr_nr].value;
@@ -764,7 +791,7 @@ int git_all_attrs(const char *path, int *num, struct git_attr_check **check)
{
int i, count, j;
- collect_all_attrs(path);
+ collect_some_attrs(path, 0, NULL);
/* Count the number of attributes that are set. */
count = 0;
@@ -774,7 +801,7 @@ int git_all_attrs(const char *path, int *num, struct git_attr_check **check)
++count;
}
*num = count;
- *check = xmalloc(sizeof(**check) * count);
+ ALLOC_ARRAY(*check, count);
j = 0;
for (i = 0; i < attr_nr; i++) {
const char *value = check_all_attr[i].value;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 08:35:44 +0000