Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 189 insertions, 0 deletions

diff --git a/builtin/check-attr.c b/builtin/check-attr.c
new file mode 100644
index 0000000..0fef10e
--- /dev/null
+++ b/builtin/check-attr.c
@@ -0,0 +1,189 @@
+#define USE_THE_INDEX_VARIABLE
+#include "builtin.h"
+#include "cache.h"
+#include "config.h"
+#include "attr.h"
+#include "quote.h"
+#include "parse-options.h"
+
+static int all_attrs;
+static int cached_attrs;
+static int stdin_paths;
+static const char * const check_attr_usage[] = {
+N_("git check-attr [-a | --all | <attr>...] [--] <pathname>..."),
+N_("git check-attr --stdin [-z] [-a | --all | <attr>...]"),
+NULL
+};
+
+static int nul_term_line;
+
+static const struct option check_attr_options[] = {
+	OPT_BOOL('a', "all", &all_attrs, N_("report all attributes set on file")),
+	OPT_BOOL(0,  "cached", &cached_attrs, N_("use .gitattributes only from the index")),
+	OPT_BOOL(0 , "stdin", &stdin_paths, N_("read file names from stdin")),
+	OPT_BOOL('z', NULL, &nul_term_line,
+		 N_("terminate input and output records by a NUL character")),
+	OPT_END()
+};
+
+static void output_attr(struct attr_check *check, const char *file)
+{
+	int j;
+	int cnt = check->nr;
+
+	for (j = 0; j < cnt; j++) {
+		const char *value = check->items[j].value;
+
+		if (ATTR_TRUE(value))
+			value = "set";
+		else if (ATTR_FALSE(value))
+			value = "unset";
+		else if (ATTR_UNSET(value))
+			value = "unspecified";
+
+		if (nul_term_line) {
+			printf("%s%c" /* path */
+			       "%s%c" /* attrname */
+			       "%s%c" /* attrvalue */,
+			       file, 0,
+			       git_attr_name(check->items[j].attr), 0, value, 0);
+		} else {
+			quote_c_style(file, NULL, stdout, 0);
+			printf(": %s: %s\n",
+			       git_attr_name(check->items[j].attr), value);
+		}
+	}
+}
+
+static void check_attr(const char *prefix,
+		       struct attr_check *check,
+		       int collect_all,
+		       const char *file)
+{
+	char *full_path =
+		prefix_path(prefix, prefix ? strlen(prefix) : 0, file);
+
+	if (collect_all) {
+		git_all_attrs(&the_index, full_path, check);
+	} else {
+		git_check_attr(&the_index, full_path, check);
+	}
+	output_attr(check, file);
+
+	free(full_path);
+}
+
+static void check_attr_stdin_paths(const char *prefix,
+				   struct attr_check *check,
+				   int collect_all)
+{
+	struct strbuf buf = STRBUF_INIT;
+	struct strbuf unquoted = STRBUF_INIT;
+	strbuf_getline_fn getline_fn;
+
+	getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
+	while (getline_fn(&buf, stdin) != EOF) {
+		if (!nul_term_line && buf.buf[0] == '"') {
+			strbuf_reset(&unquoted);
+			if (unquote_c_style(&unquoted, buf.buf, NULL))
+				die("line is badly quoted");
+			strbuf_swap(&buf, &unquoted);
+		}
+		check_attr(prefix, check, collect_all, buf.buf);
+		maybe_flush_or_die(stdout, "attribute to stdout");
+	}
+	strbuf_release(&buf);
+	strbuf_release(&unquoted);
+}
+
+static NORETURN void error_with_usage(const char *msg)
+{
+	error("%s", msg);
+	usage_with_options(check_attr_usage, check_attr_options);
+}
+
+int cmd_check_attr(int argc, const char **argv, const char *prefix)
+{
+	struct attr_check *check;
+	int cnt, i, doubledash, filei;
+
+	if (!is_bare_repository())
+		setup_work_tree();
+
+	git_config(git_default_config, NULL);
+
+	argc = parse_options(argc, argv, prefix, check_attr_options,
+			     check_attr_usage, PARSE_OPT_KEEP_DASHDASH);
+
+	if (repo_read_index(the_repository) < 0) {
+		die("invalid cache");
+	}
+
+	if (cached_attrs)
+		git_attr_set_direction(GIT_ATTR_INDEX);
+
+	doubledash = -1;
+	for (i = 0; doubledash < 0 && i < argc; i++) {
+		if (!strcmp(argv[i], "--"))
+			doubledash = i;
+	}
+
+	/* Process --all and/or attribute arguments: */
+	if (all_attrs) {
+		if (doubledash >= 1)
+			error_with_usage("Attributes and --all both specified");
+
+		cnt = 0;
+		filei = doubledash + 1;
+	} else if (doubledash == 0) {
+		error_with_usage("No attribute specified");
+	} else if (doubledash < 0) {
+		if (!argc)
+			error_with_usage("No attribute specified");
+
+		if (stdin_paths) {
+			/* Treat all arguments as attribute names. */
+			cnt = argc;
+			filei = argc;
+		} else {
+			/* Treat exactly one argument as an attribute name. */
+			cnt = 1;
+			filei = 1;
+		}
+	} else {
+		cnt = doubledash;
+		filei = doubledash + 1;
+	}
+
+	/* Check file argument(s): */
+	if (stdin_paths) {
+		if (filei < argc)
+			error_with_usage("Can't specify files with --stdin");
+	} else {
+		if (filei >= argc)
+			error_with_usage("No file specified");
+	}
+
+	check = attr_check_alloc();
+	if (!all_attrs) {
+		for (i = 0; i < cnt; i++) {
+			const struct git_attr *a = git_attr(argv[i]);
+
+			if (!a)
+				return error("%s: not a valid attribute name",
+					     argv[i]);
+			attr_check_append(check, a);
+		}
+	}
+
+	if (stdin_paths)
+		check_attr_stdin_paths(prefix, check, all_attrs);
+	else {
+		for (i = filei; i < argc; i++)
+			check_attr(prefix, check, all_attrs, argv[i]);
+		maybe_flush_or_die(stdout, "attribute to stdout");
+	}
+
+	attr_check_free(check);
+	return 0;
+}