#include "builtin.h" #include "cache.h" #include "attr.h" #include "quote.h" #include "parse-options.h" static int all_attrs; static int stdin_paths; static const char * const check_attr_usage[] = { "git check-attr [-a | --all | attr...] [--] pathname...", "git check-attr --stdin [-a | --all | attr...] < <list-of-paths>", NULL }; static int null_term_line; static const struct option check_attr_options[] = { OPT_BOOLEAN('a', "all", &all_attrs, "report all attributes set on file"), 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 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"; 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, 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(prefix, cnt, check, buf.buf); maybe_flush_or_die(stdout, "attribute to stdout"); } strbuf_release(&buf); strbuf_release(&nbuf); } 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; argc = parse_options(argc, argv, prefix, check_attr_options, check_attr_usage, PARSE_OPT_KEEP_DASHDASH); if (read_cache() < 0) { die("invalid cache"); } 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; }