feat: add -V/--version flag

Author: sitiom

CMakeLists.txt

@@ -1,11 +1,12 @@
 cmake_minimum_required(VERSION 3.20)
 
-project(sshpass)
+project(sshpass VERSION 1.0.7)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 add_executable(${PROJECT_NAME} main.c argparse.c)
 add_compile_options(/W4 /utf8)
+target_compile_definitions(${PROJECT_NAME} PRIVATE SSHPASS_VERSION="${PROJECT_VERSION}")
 set_property(TARGET ${PROJECT_NAME} PROPERTY
   MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 

README.md

@@ -22,6 +22,7 @@ winget install xhcoding.sshpass-win32
 Usage: sshpass [ options ] command arguments
 
     -h, --help    show this help message and exit
+    -V, --version Print version information
 
 Password options: With no options - password will be taken from stdin
     -f=<str>      Take password to use from file

main.c

@@ -208,8 +208,11 @@ static void ParseArgs(int argc, const wchar_t* wargv[], char** argv, Context* ct
     int autoConfirm = 0;
     int totalArgc = argc;
 
+    int showVersion = 0;
+
     struct argparse_option options[] = {
             OPT_HELP(),
+            OPT_BOOLEAN('V', "version", &showVersion, "Print version information", NULL, 0, 0),
             OPT_GROUP("Password options: With no options - password will be taken from stdin"),
             OPT_STRING('f', NULL, &filename, "Take password to use from file", NULL, 0, 0),
             OPT_INTEGER('d', NULL, &number, "Use number as file descriptor for getting password",
@@ -230,6 +233,12 @@ static void ParseArgs(int argc, const wchar_t* wargv[], char** argv, Context* ct
     struct argparse argparse;
     argparse_init(&argparse, options, usages, ARGPARSE_STOP_AT_NON_OPTION);
     argc = argparse_parse(&argparse, argc, (const char**)argv);
+
+    if (showVersion) {
+        fprintf(stdout, "sshpass-win32 %s\n", SSHPASS_VERSION);
+        exit(EXIT_SUCCESS);
+    }
+
     if (argc == 0) {
         argparse_usage(&argparse);
         exit(EXIT_FAILURE);