#include "cache.h"
#include "attr.h"
#include "quote.h"
+#include "parse-options.h"
-static const char check_attr_usage[] =
-"git check-attr attr... [--] pathname...";
+static int stdin_paths;
+static const char * const check_attr_usage[] = {
+"git check-attr attr... [--] pathname...",
+"git check-attr --stdin attr... < <list-of-paths>",
+NULL
+};
+
+static int null_term_line;
+
+static const struct option check_attr_options[] = {
+ OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"),
+ OPT_BOOLEAN('z', NULL, &null_term_line,
+ "input paths are terminated by a null character"),
+ OPT_END()
+};
+
+static void check_attr(int cnt, struct git_attr_check *check,
+ const char** name, const char *file)
+{
+ int j;
+ if (git_checkattr(file, cnt, check))
+ die("git_checkattr died");
+ for (j = 0; j < cnt; j++) {
+ const char *value = check[j].value;
+
+ if (ATTR_TRUE(value))
+ value = "set";
+ else if (ATTR_FALSE(value))
+ value = "unset";
+ else if (ATTR_UNSET(value))
+ value = "unspecified";
+
+ quote_c_style(file, NULL, stdout, 0);
+ printf(": %s: %s\n", name[j], value);
+ }
+}
+
+static void check_attr_stdin_paths(int cnt, struct git_attr_check *check,
+ const char** name)
+{
+ struct strbuf buf, nbuf;
+ int line_termination = null_term_line ? 0 : '\n';
+
+ strbuf_init(&buf, 0);
+ strbuf_init(&nbuf, 0);
+ while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
+ if (line_termination && buf.buf[0] == '"') {
+ strbuf_reset(&nbuf);
+ if (unquote_c_style(&nbuf, buf.buf, NULL))
+ die("line is badly quoted");
+ strbuf_swap(&buf, &nbuf);
+ }
+ check_attr(cnt, check, name, buf.buf);
+ maybe_flush_or_die(stdout, "attribute to stdout");
+ }
+ strbuf_release(&buf);
+ strbuf_release(&nbuf);
+}
int cmd_check_attr(int argc, const char **argv, const char *prefix)
{
struct git_attr_check *check;
int cnt, i, doubledash;
+ const char *errstr = NULL;
+
+ argc = parse_options(argc, argv, check_attr_options, check_attr_usage,
+ PARSE_OPT_KEEP_DASHDASH);
+ if (!argc)
+ usage_with_options(check_attr_usage, check_attr_options);
if (read_cache() < 0) {
die("invalid cache");
}
doubledash = -1;
- for (i = 1; doubledash < 0 && i < argc; i++) {
+ for (i = 0; doubledash < 0 && i < argc; i++) {
if (!strcmp(argv[i], "--"))
doubledash = i;
}
/* If there is no double dash, we handle only one attribute */
if (doubledash < 0) {
cnt = 1;
- doubledash = 1;
+ doubledash = 0;
} else
- cnt = doubledash - 1;
+ cnt = doubledash;
doubledash++;
- if (cnt <= 0 || argc < doubledash)
- usage(check_attr_usage);
+ if (cnt <= 0)
+ errstr = "No attribute specified";
+ else if (stdin_paths && doubledash < argc)
+ errstr = "Can't specify files with --stdin";
+ if (errstr) {
+ error("%s", errstr);
+ usage_with_options(check_attr_usage, check_attr_options);
+ }
+
check = xcalloc(cnt, sizeof(*check));
for (i = 0; i < cnt; i++) {
const char *name;
struct git_attr *a;
- name = argv[i + 1];
+ name = argv[i];
a = git_attr(name, strlen(name));
if (!a)
return error("%s: not a valid attribute name", name);
check[i].attr = a;
}
- for (i = doubledash; i < argc; i++) {
- int j;
- if (git_checkattr(argv[i], cnt, check))
- die("git_checkattr died");
- for (j = 0; j < cnt; j++) {
- const char *value = check[j].value;
-
- if (ATTR_TRUE(value))
- value = "set";
- else if (ATTR_FALSE(value))
- value = "unset";
- else if (ATTR_UNSET(value))
- value = "unspecified";
-
- quote_c_style(argv[i], NULL, stdout, 0);
- printf(": %s: %s\n", argv[j+1], value);
- }
+ if (stdin_paths)
+ check_attr_stdin_paths(cnt, check, argv);
+ else {
+ for (i = doubledash; i < argc; i++)
+ check_attr(cnt, check, argv, argv[i]);
+ maybe_flush_or_die(stdout, "attribute to stdout");
}
return 0;
}