Mercurial > hg > repoheat / changeset

--- a/src/main.cpp	Tue Feb 18 18:56:51 2025 +0100
+++ b/src/main.cpp	Tue Feb 18 19:02:53 2025 +0100
@@ -36,6 +36,8 @@
 
 using namespace std::chrono;
 
+static constexpr auto program_version = "1.0.0";
+
 static void print_help() {
     fputs(
         "Usage: repoheat [OPTION]... [PATH]...\n\n"
@@ -48,6 +50,7 @@
         "   -h, --help                Print this help message\n"
         "   -p, --pull                Try to pull the repositories\n"
         "   -s, --separate            Output a separate heat map for each repository\n"
+        "   -V, --version             Output the version of this program and exit\n"
         "   -y, --year <year>         The year for which to create the heat map\n"
         "       --hg <path>           Path to hg binary (default: /usr/bin/hg)\n"
         "       --git <path>          Path to git binary (default: /usr/bin/git)\n\n"
@@ -107,7 +110,7 @@
     for (int i = 1; i < argc; i++) {
         if (chk_arg(argv[i], "-h", "--help")) {
             print_help();
-            return -1;
+            return 1;
         } else if (chk_arg(argv[i], "-d", "--depth")) {
             if (i + 1 >= argc || parse_unsigned(argv[++i], &settings.depth, 256)) {
                 fputs("missing or invalid depth\n", stderr);
@@ -141,6 +144,9 @@
                 fputs("missing filename for authormap\n", stderr);
                 return -1;
             }
+        } else if (chk_arg(argv[i], "-V", "--version")) {
+            printf("repoheat version %s\n", program_version);
+            return 1;
         } else if (chk_arg(argv[i], "--hg", nullptr)) {
             if (i + 1 < argc) {
                 settings.hg.assign(argv[++i]);
@@ -173,8 +179,8 @@
 int main(int argc, char *argv[]) {
     // parse settings
     fm::settings settings;
-    if (parse_args(settings, argc, argv)) {
-        return EXIT_FAILURE;
+    if (int result = parse_args(settings, argc, argv); result != 0) {
+        return result < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
     }
 
     // check hg and git