test: Update 4 files

dehydrate/include/argparse.hpp

@@ -4,6 +4,7 @@
 struct Args {
     bool silent = false;
     bool update = false;
+    bool version = false;
     std::string source;
     std::string dest;
 };

dehydrate/src/argparse.cpp

@@ -10,28 +10,39 @@ Usage: dehydrate [OPTIONS] SOURCE DEST
 Options:
   -s         Silent mode (no output)
   -u         Update dehydrate to the latest version
+  -v         Show version only
 
 Examples:
   dehydrate file.txt output/    Creates _file.txt.cpp and _file.txt.hpp in output/
   dehydrate src/ output/        Creates _src.cpp and _src.hpp in output/
   dehydrate -u                  Updates dehydrate to the latest version
+  dehydrate -v                  Shows version number
 )";
 
 Args parse_args(int argc, char* argv[]) {
     Args args;
     int idx = 1;
     
-    // Check for silent flag
-    if (idx < argc && std::string(argv[idx]) == "-s") {
-        args.silent = true;
+    // Parse flags
+    while (idx < argc && argv[idx][0] == '-') {
+        std::string flag = argv[idx];
+        
+        if (flag == "-s") {
+            args.silent = true;
+        } else if (flag == "-u") {
+            args.update = true;
+        } else if (flag == "-v") {
+            args.version = true;
+        } else {
+            throw std::runtime_error("Unknown flag: " + flag + "\n\n" + HELP_TEXT);
+        }
+        
         idx++;
     }
     
-    // Check for update flag
-    if (idx < argc && std::string(argv[idx]) == "-u") {
-        args.update = true;
-        idx++;
-        return args; // No need for source and dest parameters when updating
+    // If update or version flag is set, return early
+    if (args.update || args.version) {
+        return args;
     }
     
     // Require source and dest parameters for normal operation

dehydrate/src/main.cpp

@@ -57,14 +57,23 @@ int update()
 
 int main(int argc, char* argv[]) {
     try {
-        std::cout << "Dehydrate version " << VERSION << std::endl;
         Args args = parse_args(argc, argv);
         
+        // Handle version request (output only version)
+        if (args.version) {
+            std::cout << VERSION << std::endl;
+            return 0;
+        }
+        
         // Handle update request
         if (args.update) {
+            std::cout << "Dehydrate version " << VERSION << std::endl;
             return update();
         }
         
+        // Show version for normal operations
+        std::cout << "Dehydrate version " << VERSION << std::endl;
+        
         std::filesystem::path src(args.source);
         if (!std::filesystem::exists(src)) {
             std::cerr << "Source does not exist: " << args.source << std::endl;

dehydrate/test.sh

@@ -59,11 +59,11 @@ fi
 
 echo "Using dehydrate binary: $DEHYDRATE"
 
-# Test 1: Version command (dehydrate shows version in help output)
+# Test 1: Version command (dehydrate -v shows version only)
 echo "Test 1: Version command"
-VERSION_OUTPUT=$("$DEHYDRATE" 2>&1 || true)
-# Extract version from the beginning of help output
-VERSION=$(echo "$VERSION_OUTPUT" | head -n 1 | sed 's/Dehydrate version //')
+VERSION_OUTPUT=$("$DEHYDRATE" -v 2>&1 || true)
+# Version output should be just the version number
+VERSION=$(echo "$VERSION_OUTPUT" | head -n 1)
 if [[ "$VERSION" =~ ^[0-9]{4}\.[0-9]{4}\.[0-9]{4}$ ]]; then
     print_test_result "Version format (YYYY.MMDD.HHMM)" 0
 else