Define GIT_DATE in git_hash.h and git_date in ver.cpp

Display the date of last git commit used in this bulid as part of git branch
and hash information. This helps to inform how up-to/out-of date the current
running build is, regardless of the build date/time.

src/build/gitinfo.bat

 @git log -1 HEAD --format="#define GIT_HASH \"%%h\"" > git_hash.h
+@git log -1 HEAD --format="#define GIT_DATE \"%cd\"" '--date=format-local:%b %e %Y %H:%M' >> git_hash.h
 @echo #define GIT_BRANCH ^"| tr -d "\r\n" > git_branch.h
 @git rev-parse --abbrev-ref HEAD | tr -d "\n" >> git_branch.h
-@echo ^" >> git_branch.h
\ No newline at end of file
+@echo ^" >> git_branch.h

src/sbbs3/targets.mk

@@ -158,6 +158,7 @@ FORCE:
 ifneq ($(GIT), NO)
 git_hash.h: FORCE ../../.git
 	$(QUIET)echo '#define GIT_HASH "'`git log -1 HEAD --format=%h`\" > $@.tmp
+	$(QUIET)echo '#define GIT_DATE "'`git log -1 HEAD --format=%cd '--date=format-local:%b %e %Y %H:%M'`\" >> $@.tmp
 	$(QUIET)test -e $@ && diff $@.tmp $@ || cp $@.tmp $@
 	$(QUIET)rm -f $@.tmp
 

src/sbbs3/ver.cpp

@@ -32,6 +32,7 @@ extern "C" {
 #endif
 
 const char* git_hash = GIT_HASH;
+const char* git_date = GIT_DATE;
 const char* git_branch = GIT_BRANCH;
 const char* beta_version = " "; /* Space if non-beta, " beta" otherwise */
 
@@ -94,7 +95,7 @@ void sbbs_t::ver()
 	center(str);
 	CRLF;
 
-	center("https://gitlab.synchro.net - " GIT_BRANCH "/" GIT_HASH); 
+	center(GIT_BRANCH "/" GIT_HASH " - " GIT_DATE);
 	CRLF;
 
 	sprintf(str,"%s - http://synchro.net", COPYRIGHT_NOTICE);

src/sbbs3/ver.h

@@ -27,10 +27,11 @@ extern "C" {
 #endif
 
 extern const char* git_hash;
+extern const char* git_date;
 extern const char* git_branch;
 extern const char* beta_version;
 
 #ifdef __cplusplus
 }
 #endif
-#endif /* Don't add anything after this line */
\ No newline at end of file
+#endif /* Don't add anything after this line */