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#include "builtin.h"
#include "cache.h"
#include "dir.h"
#include "quote.h"
#include "pathspec.h"
#include "parse-options.h"
static int quiet, verbose, stdin_paths;
static const char * const check_ignore_usage[] = {
"git check-ignore [options] pathname...",
"git check-ignore [options] --stdin < <list-of-paths>",
NULL
};
static int null_term_line;
static const struct option check_ignore_options[] = {
OPT__QUIET(&quiet, N_("suppress progress reporting")),
OPT__VERBOSE(&verbose, N_("be verbose")),
OPT_GROUP(""),
OPT_BOOLEAN(0, "stdin", &stdin_paths,
N_("read file names from stdin")),
OPT_BOOLEAN('z', NULL, &null_term_line,
N_("input paths are terminated by a null character")),
OPT_END()
};
static void output_exclude(const char *path, struct exclude *exclude)
{
char *bang = exclude->flags & EXC_FLAG_NEGATIVE ? "!" : "";
char *slash = exclude->flags & EXC_FLAG_MUSTBEDIR ? "/" : "";
if (!null_term_line) {
if (!verbose) {
write_name_quoted(path, stdout, '\n');
} else {
quote_c_style(exclude->el->src, NULL, stdout, 0);
printf(":%d:%s%s%s\t",
exclude->srcpos,
bang, exclude->pattern, slash);
quote_c_style(path, NULL, stdout, 0);
fputc('\n', stdout);
}
} else {
if (!verbose) {
printf("%s%c", path, '\0');
} else {
printf("%s%c%d%c%s%s%s%c%s%c",
exclude->el->src, '\0',
exclude->srcpos, '\0',
bang, exclude->pattern, slash, '\0',
path, '\0');
}
}
}
static int check_ignore(const char *prefix, const char **pathspec)
{
struct dir_struct dir;
const char *path, *full_path;
char *seen;
int num_ignored = 0, dtype = DT_UNKNOWN, i;
struct path_exclude_check check;
struct exclude *exclude;
/* read_cache() is only necessary so we can watch out for submodules. */
if (read_cache() < 0)
die(_("index file corrupt"));
memset(&dir, 0, sizeof(dir));
dir.flags |= DIR_COLLECT_IGNORED;
setup_standard_excludes(&dir);
if (!pathspec || !*pathspec) {
if (!quiet)
fprintf(stderr, "no pathspec given.\n");
return 0;
}
path_exclude_check_init(&check, &dir);
/*
* look for pathspecs matching entries in the index, since these
* should not be ignored, in order to be consistent with
* 'git status', 'git add' etc.
*/
seen = find_pathspecs_matching_against_index(pathspec);
for (i = 0; pathspec[i]; i++) {
path = pathspec[i];
full_path = prefix_path(prefix, prefix
? strlen(prefix) : 0, path);
full_path = check_path_for_gitlink(full_path);
die_if_path_beyond_symlink(full_path, prefix);
if (!seen[i] && path[0]) {
exclude = last_exclude_matching_path(&check, full_path,
-1, &dtype);
if (exclude) {
if (!quiet)
output_exclude(path, exclude);
num_ignored++;
}
}
}
free(seen);
clear_directory(&dir);
path_exclude_check_clear(&check);
return num_ignored;
}
static int check_ignore_stdin_paths(const char *prefix)
{
struct strbuf buf, nbuf;
char **pathspec = NULL;
size_t nr = 0, alloc = 0;
int line_termination = null_term_line ? 0 : '\n';
int num_ignored;
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);
}
ALLOC_GROW(pathspec, nr + 1, alloc);
pathspec[nr] = xcalloc(strlen(buf.buf) + 1, sizeof(*buf.buf));
strcpy(pathspec[nr++], buf.buf);
}
ALLOC_GROW(pathspec, nr + 1, alloc);
pathspec[nr] = NULL;
num_ignored = check_ignore(prefix, (const char **)pathspec);
maybe_flush_or_die(stdout, "attribute to stdout");
strbuf_release(&buf);
strbuf_release(&nbuf);
free(pathspec);
return num_ignored;
}
int cmd_check_ignore(int argc, const char **argv, const char *prefix)
{
int num_ignored;
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, check_ignore_options,
check_ignore_usage, 0);
if (stdin_paths) {
if (argc > 0)
die(_("cannot specify pathnames with --stdin"));
} else {
if (null_term_line)
die(_("-z only makes sense with --stdin"));
if (argc == 0)
die(_("no path specified"));
}
if (quiet) {
if (argc > 1)
die(_("--quiet is only valid with a single pathname"));
if (verbose)
die(_("cannot have both --quiet and --verbose"));
}
if (stdin_paths) {
num_ignored = check_ignore_stdin_paths(prefix);
} else {
num_ignored = check_ignore(prefix, argv);
maybe_flush_or_die(stdout, "ignore to stdout");
}
return !num_ignored;
}
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