diff options
Diffstat (limited to 'attr.c')
| -rw-r--r-- | attr.c | 47 | 
1 files changed, 37 insertions, 10 deletions
@@ -32,9 +32,12 @@ 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]); @@ -95,6 +98,8 @@ static struct git_attr *git_attr_internal(const char *name, int 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;  	REALLOC_ARRAY(check_all_attr, attr_nr); @@ -244,9 +249,10 @@ 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; @@ -266,6 +272,10 @@ 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; @@ -681,13 +691,14 @@ 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) @@ -695,7 +706,7 @@ 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;  		} @@ -706,10 +717,13 @@ 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; @@ -732,6 +746,19 @@ 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) @@ -742,7 +769,7 @@ 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; @@ -758,7 +785,7 @@ 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;  | 
