Add --version flag

2 files changed, 11 insertions, 3 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 78eff98..17b5496 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.30)
-project(github_mirror C)
+project(github_mirror VERSION 0.1.2 LANGUAGES C)
 
 set(CMAKE_C_STANDARD 17)
 include(FetchContent)
@@ -87,6 +87,9 @@ add_executable(github_mirror
 )
 target_link_libraries(github_mirror PRIVATE cjson CURL::libcurl)
 target_include_directories(github_mirror PRIVATE ${cjson_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/include)
+target_compile_definitions(github_mirror PRIVATE
+        GITHUB_MIRROR_VERSION="${PROJECT_VERSION}"
+)
 add_dependencies(github_mirror generate_graphql_headers)
 install(TARGETS github_mirror DESTINATION bin)
 
@@ -124,7 +127,7 @@ add_test(NAME test_config COMMAND test_config)
 include(InstallRequiredSystemLibraries)
 
 set(CPACK_PACKAGE_NAME "github_mirror")
-set(CPACK_PACKAGE_VERSION "0.1.2")
+set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
 set(CPACK_PACKAGE_CONTACT "ansg191@anshulg.com")
 set(CPACK_DEBIAN_PACKAGE_MAINTAINER "Anshul Gupta")
 set(CPACK_DEBIAN_PACKAGE_DEPENDS "libc6 (>= 2.28), libcurl4 (>= 7.64)")
diff --git a/src/main.c b/src/main.c
index 1da0ede..325ce18 100644
--- a/src/main.c
+++ b/src/main.c
@@ -18,12 +18,13 @@ static int load_config(int argc, char **argv, struct config **cfg_out)
 	char *cfg_path = NULL;
 
 	static struct option long_options[] = {
+			{"version", no_argument, 0, 'v'},
 			{"config", required_argument, 0, 'c'},
 			{"help", no_argument, 0, 'h'},
 			{"quiet", no_argument, 0, 'q'},
 			{0, 0, 0, 0}};
 
-	while ((opt = getopt_long(argc, argv, "C:c:h:q", long_options,
+	while ((opt = getopt_long(argc, argv, "C:c:h:q:v", long_options,
 				  &opt_idx)) != -1) {
 		switch (opt) {
 		case 'C':
@@ -38,6 +39,10 @@ static int load_config(int argc, char **argv, struct config **cfg_out)
 		case 'q':
 			quiet = 1;
 			break;
+		case 'v':
+			fprintf(stderr, "github_mirror v%s\n",
+				GITHUB_MIRROR_VERSION);
+			return 0;
 		default:
 			fprintf(stderr, "Unknown option: %c\n", opt);
 			fprintf(stderr,