1 files changed, 34 insertions, 0 deletions

diff --git a/src/Cli/Cli.c b/src/Cli/Cli.c
index 3648493..c7569da 100644
--- a/src/Cli/Cli.c
+++ b/src/Cli/Cli.c
@@ -16,6 +16,8 @@ void cli_print_usage(const char *program_name) {
       "  -d, --directory DIRECTORY   Process a directory recursively\n"
       "  -o, --output OUTPUT         Set the output path\n"
       "  -f, --overwrite             Overwrite an existing output directory\n"
+      "      --include PATTERN       Keep entries matching PATTERN\n"
+      "      --exclude PATTERN       Drop entries matching PATTERN\n"
       "  -l, --log-level LEVEL       error, warning, info, debug, or silent\n"
       "  -v, --version               Show the program version\n"
       "  -h, --help                  Show this help\n",
@@ -28,12 +30,29 @@ static const char *strip_optional_equals(const char *value) {
   return value != NULL && value[0] == '=' ? value + 1 : value;
 }
 
+static CliParseResult append_pattern(CliOptions *options, PatternKind kind,
+                                     const char *value, const char *name) {
+  const char *pattern = strip_optional_equals(value);
+
+  if (pattern_list_append(&options->patterns, kind, pattern) != 0) {
+    logger_error("invalid %s pattern '%s'", name, pattern);
+    return CLI_PARSE_ERROR;
+  }
+  return CLI_PARSE_OK;
+}
+
+void cli_free_options(CliOptions *options) {
+  pattern_list_clear(&options->patterns);
+}
+
 CliParseResult cli_parse(int argc, char **argv, CliOptions *options) {
   static const struct option long_options[] = {
       {"directory", required_argument, NULL, 'd'},
       {"output", required_argument, NULL, 'o'},
       {"overwrite", no_argument, NULL, 'f'},
       {"force", no_argument, NULL, 'f'},
+      {"include", required_argument, NULL, 1},
+      {"exclude", required_argument, NULL, 2},
       {"log-level", required_argument, NULL, 'l'},
       {"version", no_argument, NULL, 'v'},
       {"help", no_argument, NULL, 'h'},
@@ -46,6 +65,9 @@ CliParseResult cli_parse(int argc, char **argv, CliOptions *options) {
   options->output_path = NULL;
   options->overwrite_output = 0;
   options->log_level = LOG_LEVEL_INFO;
+  options->patterns.items = NULL;
+  options->patterns.length = 0;
+  options->patterns.capacity = 0;
 
   while ((option = getopt_long(argc, argv, "d:o:fl:vh", long_options, NULL)) !=
          -1) {
@@ -59,6 +81,18 @@ CliParseResult cli_parse(int argc, char **argv, CliOptions *options) {
     case 'f':
       options->overwrite_output = 1;
       break;
+    case 1:
+      if (append_pattern(options, PATTERN_INCLUDE, optarg, "include") !=
+          CLI_PARSE_OK) {
+        return CLI_PARSE_ERROR;
+      }
+      break;
+    case 2:
+      if (append_pattern(options, PATTERN_EXCLUDE, optarg, "exclude") !=
+          CLI_PARSE_OK) {
+        return CLI_PARSE_ERROR;
+      }
+      break;
     case 'l':
       if (logger_parse_level(optarg, &options->log_level) != 0) {
         logger_error("unknown log level '%s'", optarg);