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![Junio C Hamano](/assets/img/avatar_default.png)
Plug various leans reported by LSAN. * ah/plugleaks: builtin/rm: avoid leaking pathspec and seen builtin/rebase: release git_format_patch_opt too builtin/for-each-ref: free filter and UNLEAK sorting. mailinfo: also free strbuf lists when clearing mailinfo builtin/checkout: clear pending objects after diffing builtin/check-ignore: clear_pathspec before returning builtin/bugreport: don't leak prefixed filename branch: FREE_AND_NULL instead of NULL'ing real_ref bloom: clear each bloom_key after use ls-files: free max_prefix when done wt-status: fix multiple small leaks revision: free remainder of old commit list in limit_list
199 lines
5.2 KiB
C
199 lines
5.2 KiB
C
#define USE_THE_INDEX_COMPATIBILITY_MACROS
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#include "builtin.h"
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#include "cache.h"
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#include "config.h"
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#include "dir.h"
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#include "quote.h"
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#include "pathspec.h"
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#include "parse-options.h"
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#include "submodule.h"
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static int quiet, verbose, stdin_paths, show_non_matching, no_index;
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static const char * const check_ignore_usage[] = {
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"git check-ignore [<options>] <pathname>...",
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"git check-ignore [<options>] --stdin",
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NULL
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};
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static int nul_term_line;
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static const struct option check_ignore_options[] = {
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OPT__QUIET(&quiet, N_("suppress progress reporting")),
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OPT__VERBOSE(&verbose, N_("be verbose")),
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OPT_GROUP(""),
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OPT_BOOL(0, "stdin", &stdin_paths,
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N_("read file names from stdin")),
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OPT_BOOL('z', NULL, &nul_term_line,
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N_("terminate input and output records by a NUL character")),
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OPT_BOOL('n', "non-matching", &show_non_matching,
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N_("show non-matching input paths")),
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OPT_BOOL(0, "no-index", &no_index,
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N_("ignore index when checking")),
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OPT_END()
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};
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static void output_pattern(const char *path, struct path_pattern *pattern)
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{
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char *bang = (pattern && pattern->flags & PATTERN_FLAG_NEGATIVE) ? "!" : "";
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char *slash = (pattern && pattern->flags & PATTERN_FLAG_MUSTBEDIR) ? "/" : "";
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if (!nul_term_line) {
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if (!verbose) {
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write_name_quoted(path, stdout, '\n');
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} else {
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if (pattern) {
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quote_c_style(pattern->pl->src, NULL, stdout, 0);
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printf(":%d:%s%s%s\t",
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pattern->srcpos,
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bang, pattern->pattern, slash);
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}
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else {
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printf("::\t");
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}
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quote_c_style(path, NULL, stdout, 0);
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fputc('\n', stdout);
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}
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} else {
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if (!verbose) {
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printf("%s%c", path, '\0');
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} else {
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if (pattern)
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printf("%s%c%d%c%s%s%s%c%s%c",
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pattern->pl->src, '\0',
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pattern->srcpos, '\0',
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bang, pattern->pattern, slash, '\0',
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path, '\0');
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else
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printf("%c%c%c%s%c", '\0', '\0', '\0', path, '\0');
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}
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}
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}
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static int check_ignore(struct dir_struct *dir,
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const char *prefix, int argc, const char **argv)
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{
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const char *full_path;
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char *seen;
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int num_ignored = 0, i;
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struct path_pattern *pattern;
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struct pathspec pathspec;
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if (!argc) {
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if (!quiet)
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fprintf(stderr, "no pathspec given.\n");
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return 0;
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}
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/*
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* check-ignore just needs paths. Magic beyond :/ is really
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* irrelevant.
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*/
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parse_pathspec(&pathspec,
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PATHSPEC_ALL_MAGIC & ~PATHSPEC_FROMTOP,
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PATHSPEC_SYMLINK_LEADING_PATH |
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PATHSPEC_KEEP_ORDER,
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prefix, argv);
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die_path_inside_submodule(&the_index, &pathspec);
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/*
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* look for pathspecs matching entries in the index, since these
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* should not be ignored, in order to be consistent with
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* 'git status', 'git add' etc.
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*/
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seen = find_pathspecs_matching_against_index(&pathspec, &the_index,
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PS_HEED_SKIP_WORKTREE);
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for (i = 0; i < pathspec.nr; i++) {
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full_path = pathspec.items[i].match;
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pattern = NULL;
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if (!seen[i]) {
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int dtype = DT_UNKNOWN;
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pattern = last_matching_pattern(dir, &the_index,
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full_path, &dtype);
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if (!verbose && pattern &&
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pattern->flags & PATTERN_FLAG_NEGATIVE)
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pattern = NULL;
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}
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if (!quiet && (pattern || show_non_matching))
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output_pattern(pathspec.items[i].original, pattern);
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if (pattern)
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num_ignored++;
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}
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free(seen);
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clear_pathspec(&pathspec);
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return num_ignored;
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}
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static int check_ignore_stdin_paths(struct dir_struct *dir, const char *prefix)
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{
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struct strbuf buf = STRBUF_INIT;
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struct strbuf unquoted = STRBUF_INIT;
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char *pathspec[2] = { NULL, NULL };
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strbuf_getline_fn getline_fn;
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int num_ignored = 0;
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getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
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while (getline_fn(&buf, stdin) != EOF) {
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if (!nul_term_line && buf.buf[0] == '"') {
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strbuf_reset(&unquoted);
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if (unquote_c_style(&unquoted, buf.buf, NULL))
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die("line is badly quoted");
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strbuf_swap(&buf, &unquoted);
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}
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pathspec[0] = buf.buf;
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num_ignored += check_ignore(dir, prefix,
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1, (const char **)pathspec);
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maybe_flush_or_die(stdout, "check-ignore to stdout");
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}
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strbuf_release(&buf);
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strbuf_release(&unquoted);
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return num_ignored;
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}
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int cmd_check_ignore(int argc, const char **argv, const char *prefix)
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{
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int num_ignored;
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struct dir_struct dir;
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git_config(git_default_config, NULL);
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argc = parse_options(argc, argv, prefix, check_ignore_options,
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check_ignore_usage, 0);
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if (stdin_paths) {
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if (argc > 0)
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die(_("cannot specify pathnames with --stdin"));
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} else {
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if (nul_term_line)
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die(_("-z only makes sense with --stdin"));
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if (argc == 0)
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die(_("no path specified"));
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}
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if (quiet) {
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if (argc > 1)
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die(_("--quiet is only valid with a single pathname"));
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if (verbose)
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die(_("cannot have both --quiet and --verbose"));
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}
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if (show_non_matching && !verbose)
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die(_("--non-matching is only valid with --verbose"));
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/* read_cache() is only necessary so we can watch out for submodules. */
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if (!no_index && read_cache() < 0)
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die(_("index file corrupt"));
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dir_init(&dir);
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setup_standard_excludes(&dir);
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if (stdin_paths) {
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num_ignored = check_ignore_stdin_paths(&dir, prefix);
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} else {
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num_ignored = check_ignore(&dir, prefix, argc, argv);
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maybe_flush_or_die(stdout, "ignore to stdout");
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}
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dir_clear(&dir);
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return !num_ignored;
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}
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