#include "builtin.h" #include "cache.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(int cnt, struct git_attr_check *check, const char *file) { int j; 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"; if (nul_term_line) { printf("%s%c" /* path */ "%s%c" /* attrname */ "%s%c" /* attrvalue */, file, 0, git_attr_name(check[j].attr), 0, value, 0); } else { quote_c_style(file, NULL, stdout, 0); printf(": %s: %s\n", git_attr_name(check[j].attr), value); } } } static void check_attr(const char *prefix, int cnt, struct git_attr_check *check, const char *file) { char *full_path = prefix_path(prefix, prefix ? strlen(prefix) : 0, file); if (check != NULL) { if (git_check_attr(full_path, cnt, check)) die("git_check_attr died"); output_attr(cnt, check, file); } else { if (git_all_attrs(full_path, &cnt, &check)) die("git_all_attrs died"); output_attr(cnt, check, file); free(check); } free(full_path); } static void check_attr_stdin_paths(const char *prefix, int cnt, struct git_attr_check *check) { 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, cnt, check, 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 git_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 (read_cache() < 0) { die("invalid cache"); } if (cached_attrs) git_attr_set_direction(GIT_ATTR_INDEX, NULL); 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"); } if (all_attrs) { check = NULL; } else { check = xcalloc(cnt, sizeof(*check)); for (i = 0; i < cnt; i++) { const char *name; struct git_attr *a; name = argv[i]; a = git_attr(name); if (!a) return error("%s: not a valid attribute name", name); check[i].attr = a; } } if (stdin_paths) check_attr_stdin_paths(prefix, cnt, check); else { for (i = filei; i < argc; i++) check_attr(prefix, cnt, check, argv[i]); maybe_flush_or_die(stdout, "attribute to stdout"); } return 0; }