@cxx/main.cxx:main() use SUSUWU_REV_PARSE_HEAD

@`posts/VirusAnalysis.md`: include this.
Is followup to: commit HEAD~1 (@`build.sh`: +`SUSUWU_REV_PARSE_HEAD`: version.), which defines this macro. TODO: `squash`?

Author: SwuduSusuwu

cxx/main.cxx

@@ -131,6 +131,9 @@ SusuwuUnitTestsBitmask main(int argc, const char **args) {
 	if(true != Susuwu::classSysInit(argc, args)) {
 		return susuwuUnitTestsClassSysBit;
 	}
+#ifdef SUSUWU_REV_PARSE_HEAD
+	SUSUWU_NOTICE("`$(git rev-parse HEAD)` == `"+ std::string(SUSUWU_REV_PARSE_HEAD) + "`");
+#endif /* SUSUWU_REV_PARSE_HEAD */
 #ifdef SUSUWU_EXPERIMENTAL
 	SUSUWU_WARNING('`' + std::string(Susuwu::classIoGetOwnPath()) + "` " SUSUWU_EXPERIMENTAL_ISSUES);
 #endif

posts/VirusAnalysis.md

@@ -4221,6 +4221,9 @@ SusuwuUnitTestsBitmask main(int argc, const char **args) {
 	if(true != Susuwu::classSysInit(argc, args)) {
 		return susuwuUnitTestsClassSysBit;
 	}
+#ifdef SUSUWU_REV_PARSE_HEAD
+	SUSUWU_NOTICE("`$(git rev-parse HEAD)` == `"+ std::string(SUSUWU_REV_PARSE_HEAD) + "`");
+#endif /* SUSUWU_REV_PARSE_HEAD */
 #ifdef SUSUWU_EXPERIMENTAL
 	SUSUWU_WARNING('`' + std::string(Susuwu::classIoGetOwnPath()) + "` " SUSUWU_EXPERIMENTAL_ISSUES);
 #endif