![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
index b3496a6eb529c111ff0378a517b13ca89cb74d5a..129399310ae061a66527ce0b723cc0aeb30ef34c 100644 (file)
--- a/attr.c
+++ b/attr.c
#include "cache.h"
#include "attr.h"
-#define ATTR__UNKNOWN ((void *) -2)
+const char git_attr__true[] = "(builtin)true";
+const char git_attr__false[] = "\0(builtin)false";
+static const char git_attr__unknown[] = "(builtin)unknown";
+#define ATTR__TRUE git_attr__true
+#define ATTR__FALSE git_attr__false
+#define ATTR__UNSET NULL
+#define ATTR__UNKNOWN git_attr__unknown
/*
* The basic design decision here is that we are not going to have
/* What does a matched pattern decide? */
struct attr_state {
struct git_attr *attr;
- void *setto;
+ const char *setto;
};
struct match_attr {
struct attr_stack *prev;
char *origin;
unsigned num_matches;
+ unsigned alloc;
struct match_attr **attrs;
} *attr_stack;
struct match_attr *a = e->attrs[i];
int j;
for (j = 0; j < a->num_attr; j++) {
- void *setto = a->state[j].setto;
+ const char *setto = a->state[j].setto;
if (setto == ATTR__TRUE ||
setto == ATTR__FALSE ||
setto == ATTR__UNSET ||
setto == ATTR__UNKNOWN)
;
else
- free(setto);
+ free((char*) setto);
}
free(a);
}
NULL,
};
+static void handle_attr_line(struct attr_stack *res,
+ const char *line,
+ const char *src,
+ int lineno,
+ int macro_ok)
+{
+ struct match_attr *a;
+
+ 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);
+ }
+ res->attrs[res->num_matches++] = a;
+}
+
static struct attr_stack *read_attr_from_array(const char **list)
{
struct attr_stack *res;
int lineno = 0;
res = xcalloc(1, sizeof(*res));
- while ((line = *(list++)) != NULL) {
- struct match_attr *a;
-
- a = parse_attr_line(line, "[builtin]", ++lineno, 1);
- if (!a)
- continue;
- res->attrs = xrealloc(res->attrs, res->num_matches + 1);
- res->attrs[res->num_matches++] = a;
- }
+ while ((line = *(list++)) != NULL)
+ handle_attr_line(res, line, "[builtin]", ++lineno, 1);
return res;
}
static struct attr_stack *read_attr_from_file(const char *path, int macro_ok)
{
- FILE *fp;
+ FILE *fp = fopen(path, "r");
struct attr_stack *res;
char buf[2048];
int lineno = 0;
- res = xcalloc(1, sizeof(*res));
- fp = fopen(path, "r");
if (!fp)
+ return NULL;
+ res = xcalloc(1, sizeof(*res));
+ while (fgets(buf, sizeof(buf), fp))
+ handle_attr_line(res, buf, path, ++lineno, macro_ok);
+ fclose(fp);
+ return res;
+}
+
+static void *read_index_data(const char *path)
+{
+ int pos, len;
+ unsigned long sz;
+ enum object_type type;
+ void *data;
+
+ len = strlen(path);
+ pos = cache_name_pos(path, len);
+ if (pos < 0) {
+ /*
+ * We might be in the middle of a merge, in which
+ * case we would read stage #2 (ours).
+ */
+ int i;
+ for (i = -pos - 1;
+ (pos < 0 && i < active_nr &&
+ !strcmp(active_cache[i]->name, path));
+ i++)
+ if (ce_stage(active_cache[i]) == 2)
+ pos = i;
+ }
+ if (pos < 0)
+ return NULL;
+ data = read_sha1_file(active_cache[pos]->sha1, &type, &sz);
+ if (!data || type != OBJ_BLOB) {
+ free(data);
+ return NULL;
+ }
+ return data;
+}
+
+static struct attr_stack *read_attr(const char *path, int macro_ok)
+{
+ struct attr_stack *res;
+ char *buf, *sp;
+ int lineno = 0;
+
+ res = read_attr_from_file(path, macro_ok);
+ if (res)
return res;
- while (fgets(buf, sizeof(buf), fp)) {
- struct match_attr *a;
+ res = xcalloc(1, sizeof(*res));
- a = parse_attr_line(buf, path, ++lineno, macro_ok);
- if (!a)
- continue;
- res->attrs = xrealloc(res->attrs, res->num_matches + 1);
- res->attrs[res->num_matches++] = a;
+ /*
+ * There is no checked out .gitattributes file there, but
+ * we might have it in the index. We allow operation in a
+ * sparsely checked out work tree, so read from it.
+ */
+ buf = read_index_data(path);
+ if (!buf)
+ return res;
+
+ for (sp = buf; *sp; ) {
+ char *ep;
+ int more;
+ for (ep = sp; *ep && *ep != '\n'; ep++)
+ ;
+ more = (*ep == '\n');
+ *ep = '\0';
+ handle_attr_line(res, sp, path, ++lineno, macro_ok);
+ sp = ep + more;
}
- fclose(fp);
+ free(buf);
return res;
}
elem->prev = attr_stack;
attr_stack = elem;
- elem = read_attr_from_file(GITATTRIBUTES_FILE, 1);
+ elem = read_attr(GITATTRIBUTES_FILE, 1);
elem->origin = strdup("");
elem->prev = attr_stack;
attr_stack = elem;
debug_push(elem);
elem = read_attr_from_file(git_path(INFOATTRIBUTES_FILE), 1);
+ if (!elem)
+ elem = xcalloc(1, sizeof(*elem));
elem->origin = NULL;
elem->prev = attr_stack;
attr_stack = elem;
memcpy(pathbuf + dirlen, "/", 2);
cp = strchr(pathbuf + len + 1, '/');
strcpy(cp + 1, GITATTRIBUTES_FILE);
- elem = read_attr_from_file(pathbuf, 0);
+ elem = read_attr(pathbuf, 0);
*cp = '\0';
elem->origin = strdup(pathbuf);
elem->prev = attr_stack;
for (i = 0; 0 < rem && i < a->num_attr; i++) {
struct git_attr *attr = a->state[i].attr;
- void **n = &(check[attr->attr_nr].value);
- void *v = a->state[i].setto;
+ const char **n = &(check[attr->attr_nr].value);
+ const char *v = a->state[i].setto;
if (*n == ATTR__UNKNOWN) {
debug_set(what, a->u.pattern, attr, v);
rem = macroexpand(stk, rem);
for (i = 0; i < num; i++) {
- void *value = check_all_attr[check[i].attr->attr_nr].value;
+ const char *value = check_all_attr[check[i].attr->attr_nr].value;
if (value == ATTR__UNKNOWN)
value = ATTR__UNSET;
check[i].value = value;