/* For loading git/hg ignore patterns */
void load_ignore_patterns(ignores *ig, const char *path) {
FILE *fp = NULL;
fp = fopen(path, "r");
if (fp == NULL) {
log_debug("Skipping ignore file %s: not readable", path);
return;
}
log_debug("Loading ignore file %s.", path);
char *line = NULL;
ssize_t line_len = 0;
size_t line_cap = 0;
while ((line_len = getline(&line, &line_cap, fp)) > 0) {
if (line_len == 0 || line[0] == '\n' || line[0] == '#') {
continue;
}
if (line[line_len - 1] == '\n') {
line[line_len - 1] = '\0'; /* kill the \n */
}
add_ignore_pattern(ig, line);
}
free(line);
fclose(fp);
}
/* For loading git/svn/hg ignore patterns */
void load_ignore_patterns(const char *ignore_filename) {
FILE *fp = NULL;
fp = fopen(ignore_filename, "r");
if (fp == NULL) {
log_debug("Skipping ignore file %s", ignore_filename);
return;
}
char *line = NULL;
ssize_t line_len = 0;
size_t line_cap = 0;
while ((line_len = getline(&line, &line_cap, fp)) > 0) {
if (line_len == 0 || line[0] == '\n') {
continue;
}
if (line[line_len-1] == '\n') {
line[line_len-1] = '\0'; /* kill the \n */
}
add_ignore_pattern(line);
}
free(line);
fclose(fp);
}
void load_svn_ignore_patterns(ignores *ig, const char *path) {
FILE *fp = NULL;
char *dir_prop_base;
ag_asprintf(&dir_prop_base, "%s/%s", path, SVN_DIR_PROP_BASE);
fp = fopen(dir_prop_base, "r");
if (fp == NULL) {
log_debug("Skipping svn ignore file %s", dir_prop_base);
free(dir_prop_base);
return;
}
char *entry = NULL;
size_t entry_len = 0;
char *key = ag_malloc(32); /* Sane start for max key length. */
size_t key_len = 0;
size_t bytes_read = 0;
char *entry_line;
size_t line_len;
int matches;
while (fscanf(fp, "K %zu\n", &key_len) == 1) {
key = ag_realloc(key, key_len + 1);
bytes_read = fread(key, 1, key_len, fp);
key[key_len] = '\0';
matches = fscanf(fp, "\nV %zu\n", &entry_len);
if (matches != 1) {
log_debug("Unable to parse svnignore file %s: fscanf() got %i matches, expected 1.", dir_prop_base, matches);
goto cleanup;
}
if (strncmp(SVN_PROP_IGNORE, key, bytes_read) != 0) {
log_debug("key is %s, not %s. skipping %u bytes", key, SVN_PROP_IGNORE, entry_len);
/* Not the key we care about. fseek and repeat */
fseek(fp, entry_len + 1, SEEK_CUR); /* +1 to account for newline. yes I know this is hacky */
continue;
}
/* Aww yeah. Time to ignore stuff */
entry = ag_malloc(entry_len + 1);
bytes_read = fread(entry, 1, entry_len, fp);
entry[bytes_read] = '\0';
log_debug("entry: %s", entry);
break;
}
if (entry == NULL) {
goto cleanup;
}
char *patterns = entry;
size_t patterns_len = strlen(patterns);
while (*patterns != '\0' && patterns < (entry + bytes_read)) {
for (line_len = 0; line_len < patterns_len; line_len++) {
if (patterns[line_len] == '\n') {
break;
}
}
if (line_len > 0) {
entry_line = ag_strndup(patterns, line_len);
add_ignore_pattern(ig, entry_line);
free(entry_line);
}
patterns += line_len + 1;
patterns_len -= line_len + 1;
}
free(entry);
cleanup:
free(dir_prop_base);
free(key);
fclose(fp);
}
void parse_options(int argc, char **argv, char **paths[]) {
int ch;
int i;
int path_len = 0;
int useless = 0;
int group = 1;
int help = 0;
int version = 0;
int opt_index = 0;
const char *home_dir = getenv("HOME");
char *ignore_file_path = NULL;
int needs_query = 1;
init_options();
struct option longopts[] = {
{ "ackmate", no_argument, &(opts.ackmate), 1 },
{ "ackmate-dir-filter", required_argument, NULL, 0 },
{ "after", required_argument, NULL, 'A' },
{ "all-text", no_argument, NULL, 't' },
{ "all-types", no_argument, NULL, 'a' },
{ "before", required_argument, NULL, 'B' },
{ "break", no_argument, &(opts.print_break), 1 },
{ "case-sensitive", no_argument, NULL, 's' },
{ "color", no_argument, &(opts.color), 1 },
{ "column", no_argument, &(opts.column), 1 },
{ "context", optional_argument, NULL, 'C' },
{ "debug", no_argument, NULL, 'D' },
{ "depth", required_argument, NULL, 0 },
{ "file-search-regex", required_argument, NULL, 'G' },
{ "files-with-matches", no_argument, NULL, 'l' },
{ "files-without-matches", no_argument, NULL, 'L' },
{ "follow", no_argument, &(opts.follow_symlinks), 1 },
{ "group", no_argument, &(group), 1 },
{ "heading", no_argument, &(opts.print_heading), 1 },
{ "help", no_argument, NULL, 'h' },
{ "hidden", no_argument, &(opts.search_hidden_files), 1 },
{ "ignore", required_argument, NULL, 0 },
{ "ignore-case", no_argument, NULL, 'i' },
{ "invert-match", no_argument, &(opts.invert_match), 1 },
{ "literal", no_argument, NULL, 'Q' },
{ "match", no_argument, &useless, 0 },
{ "max-count", required_argument, NULL, 'm' },
{ "no-recurse", no_argument, NULL, 'n' },
{ "nobreak", no_argument, &(opts.print_break), 0 },
{ "nocolor", no_argument, &(opts.color), 0 },
{ "nofollow", no_argument, &(opts.follow_symlinks), 0 },
{ "nogroup", no_argument, &(group), 0 },
{ "noheading", no_argument, &(opts.print_heading), 0 },
{ "parallel", no_argument, &(opts.parallel), 1},
{ "path-to-agignore", required_argument, NULL, 'p'},
{ "print-long-lines", no_argument, &(opts.print_long_lines), 1 },
{ "recurse", no_argument, NULL, 'r' },
{ "search-binary", no_argument, &(opts.search_binary_files), 1 },
{ "search-files", no_argument, &(opts.search_stream), 0 },
{ "skip-vcs-ignores", no_argument, NULL, 'U' },
{ "smart-case", no_argument, NULL, 'S' },
{ "stats", no_argument, &(opts.stats), 1 },
{ "unrestricted", no_argument, NULL, 'u' },
{ "version", no_argument, &version, 1 },
{ "word-regexp", no_argument, NULL, 'w' },
{ "workers", required_argument, NULL, 0 },
{ NULL, 0, NULL, 0 }
};
if (argc < 2) {
usage();
exit(1);
}
/* stdin isn't a tty. something's probably being piped to ag */
if (!isatty(fileno(stdin))) {
opts.search_stream = 1;
}
/* If we're not outputting to a terminal. change output to:
* turn off colors
* print filenames on every line
*/
if (!isatty(fileno(stdout))) {
opts.color = 0;
group = 0;
}
while ((ch = getopt_long(argc, argv, "A:aB:C:DG:g:fhiLlm:np:QRrSsvVtuUw", longopts, &opt_index)) != -1) {
switch (ch) {
case 'A':
opts.after = atoi(optarg);
break;
case 'a':
opts.search_all_files = 1;
opts.search_binary_files = 1;
break;
case 'B':
opts.before = atoi(optarg);
break;
case 'C':
if (optarg) {
opts.context = atoi(optarg);
if (opts.context == 0 && errno == EINVAL) {
/* This arg must be the search string instead of the context length */
optind--;
opts.context = DEFAULT_CONTEXT_LEN;
}
}
else {
opts.context = DEFAULT_CONTEXT_LEN;
}
break;
case 'D':
set_log_level(LOG_LEVEL_DEBUG);
break;
case 'f':
opts.follow_symlinks = 1;
break;
case 'g':
needs_query = 0;
opts.match_files = 1;
/* Fall through and build regex */
case 'G':
compile_study(&opts.file_search_regex, &opts.file_search_regex_extra, optarg, 0, 0);
break;
case 'h':
help = 1;
break;
case 'i':
opts.casing = CASE_INSENSITIVE;
break;
case 'L':
opts.invert_match = 1;
/* fall through */
case 'l':
opts.print_filename_only = 1;
break;
case 'm':
opts.max_matches_per_file = atoi(optarg);
break;
case 'n':
opts.recurse_dirs = 0;
break;
case 'p':
opts.path_to_agignore = optarg;
break;
case 'Q':
opts.literal = 1;
break;
case 'R':
case 'r':
opts.recurse_dirs = 1;
break;
case 'S':
opts.casing = CASE_SMART;
break;
case 's':
opts.casing = CASE_SENSITIVE;
break;
case 't':
opts.search_all_files = 1;
break;
case 'u':
opts.search_binary_files = 1;
opts.search_all_files = 1;
opts.search_hidden_files = 1;
break;
case 'U':
opts.skip_vcs_ignores = 1;
break;
case 'v':
opts.invert_match = 1;
break;
case 'V':
version = 1;
break;
case 'w':
opts.word_regexp = 1;
break;
case 0: /* Long option */
if (strcmp(longopts[opt_index].name, "ackmate-dir-filter") == 0) {
compile_study(&opts.ackmate_dir_filter, &opts.ackmate_dir_filter_extra, optarg, 0, 0);
break;
}
else if (strcmp(longopts[opt_index].name, "depth") == 0) {
opts.max_search_depth = atoi(optarg);
break;
}
else if (strcmp(longopts[opt_index].name, "ignore") == 0) {
add_ignore_pattern(root_ignores, optarg);
break;
}
else if (strcmp(longopts[opt_index].name, "workers") == 0) {
opts.workers = atoi(optarg);
break;
}
/* Continue to usage if we don't recognize the option */
if (longopts[opt_index].flag != 0) {
break;
}
log_err("option %s does not take a value", longopts[opt_index].name);
default:
usage();
exit(1);
}
}
argc -= optind;
argv += optind;
if (help) {
usage();
exit(0);
}
if (version) {
print_version();
exit(0);
}
if (needs_query && argc == 0) {
log_err("What do you want to search for?");
exit(1);
}
if (home_dir && !opts.search_all_files) {
log_debug("Found user's home dir: %s", home_dir);
asprintf(&ignore_file_path, "%s/%s", home_dir, ignore_pattern_files[0]);
load_ignore_patterns(root_ignores, ignore_file_path);
free(ignore_file_path);
}
if (opts.context > 0) {
opts.before = opts.context;
opts.after = opts.context;
}
if (opts.ackmate) {
opts.color = 0;
opts.print_break = 1;
group = 1;
opts.search_stream = 0;
}
if (opts.parallel) {
opts.search_stream = 0;
}
if (opts.print_heading == 0 || opts.print_break == 0) {
goto skip_group;
}
if (group) {
opts.print_heading = 1;
opts.print_break = 1;
}
else {
opts.print_heading = 0;
opts.print_break = 0;
}
skip_group:;
if (opts.search_stream) {
opts.print_break = 0;
opts.print_heading = 0;
opts.print_line_numbers = 0;
}
if (needs_query) {
opts.query = strdup(argv[0]);
argc--;
argv++;
}
else {
opts.query = strdup(".");
}
opts.query_len = strlen(opts.query);
log_debug("Query is %s", opts.query);
if (opts.query_len == 0) {
log_err("Error: No query. What do you want to search for?");
exit(1);
}
if (!is_regex(opts.query)) {
opts.literal = 1;
}
char *path = NULL;
opts.paths_len = argc;
if (argc > 0) {
*paths = calloc(sizeof(char*), argc + 1);
for (i = 0; i < argc; i++) {
path = strdup(argv[i]);
path_len = strlen(path);
/* kill trailing slash */
if (path_len > 1 && path[path_len - 1] == '/') {
path[path_len - 1] = '\0';
}
(*paths)[i] = path;
}
(*paths)[i] = NULL;
/* Make sure we search these paths instead of stdin. */
opts.search_stream = 0;
}
else {
path = strdup(".");
*paths = malloc(sizeof(char*) * 2);
(*paths)[0] = path;
(*paths)[1] = NULL;
}
}
