Branch and revision information in builds

Also makes comptime.bat work with git if able.
Development builds will now show the branch and the SHA1 hash of the revision. Also been tested to work with subversion, where it displays "Subversion r####". You know, just in case.

comptime.bat

@@ -1,10 +1,30 @@
 @ECHO OFF
-set REV=Unknown
+set BRA=Unknown
+set REV=illegal
+
 copy nul: /b +%1\comptime.c tmp.$$$ > nul
 move tmp.$$$ %1\comptime.c > nul
-SET REV=illegal
-FOR /F "usebackq" %%s IN (`svnversion %1`) DO @SET REV=%%s
+
+if exist .git goto gitrev
+if exist .svn goto svnrev
+goto filwri
+
+:gitrev
+set GIT=%2
+if "%GIT%"=="" set GIT=git
+FOR /F "usebackq" %%s IN (`%GIT% rev-parse --abbrev-ref HEAD`) DO @SET BRA=%%s
+FOR /F "usebackq" %%s IN (`%GIT% rev-parse HEAD`) DO @SET REV=%%s
+set REV=%REV:~0,8%
+goto filwri
+
+:svnrev
+set BRA=Subversion
+FOR /F "usebackq" %%s IN (`svnversion .`) DO @SET REV=%%s
+goto filwri
+
+:filwri
 ECHO // Do not edit!  This file was autogenerated > %1\comptime.h
 ECHO // by the %0 batch file >> %1\comptime.h
 ECHO // >> %1\comptime.h
-ECHO const char* comprevision = "r%REV%"; >> %1\comptime.h
+ECHO const char* compbranch = "%BRA%"; >> %1\comptime.h
+ECHO const char* comprevision = "%REV%"; >> %1\comptime.h

comptime.sh

@@ -5,13 +5,15 @@ if [ x"$1" != x ]; then
 fi
 
 versiongit() {
-	gitversion=`git describe`
+	gitbranch=`git rev-parse --abbrev-ref HEAD`
+	gitversion=`git rev-parse HEAD`
 	cat <<EOF > $path/comptime.h
 
 // Do not edit!  This file was autogenerated
-// by the $0 script with git svn
+// by the $0 script with git
 //
-const char* comprevision = "$gitversion";
+const char* compbranch = "$gitbranch";
+const char* comprevision = "${gitversion:0:8}";
 EOF
 exit 0
 }
@@ -23,6 +25,7 @@ versionsvn() {
 // Do not edit!  This file was autogenerated
 // by the $0 script with subversion
 //
+const char* compbranch = "Subversion";
 const char* comprevision = "r$svnrevision";
 EOF
 exit 0
@@ -34,6 +37,7 @@ versionfake() {
 // Do not edit!  This file was autogenerated
 // by the $0 script with an unknown or nonexist SCM
 //
+const char* compbranch = "Unknown";
 const char* comprevision = "illegal";
 EOF
 }

src/comptime.c

@@ -9,12 +9,14 @@
 
 #if (defined(CMAKECONFIG))
 #include "config.h"
+const char *compbranch = ""; // hell if I know what to do with cmake
 const char *comprevision = SRB2_COMP_REVISION;
 
 #elif (defined(COMPVERSION))
 #include "comptime.h"
 
 #else
+const char *compbranch = "Unknown";
 const char *comprevision = "illegal";
 
 #endif

src/d_netcmd.c

@@ -3179,7 +3179,11 @@ static void Command_ListWADS_f(void)
   */
 static void Command_Version_f(void)
 {
+#ifdef DEVELOP
+	CONS_Printf("Sonic Robo Blast 2 %s-%s (%s %s)\n", compbranch, comprevision, compdate, comptime);
+#else
 	CONS_Printf("Sonic Robo Blast 2 %s (%s %s %s)\n", VERSIONSTRING, compdate, comptime, comprevision);
+#endif
 }
 
 #ifdef UPDATE_ALERT

src/doomdef.h

@@ -142,8 +142,10 @@ extern FILE *logstream;
 #ifdef DEVELOP
 #define VERSION    0 // Game version
 #define SUBVERSION 0 // more precise version number
-#define VERSIONSTRING "Trunk"
-#define VERSIONSTRINGW L"Trunk"
+#define VERSIONSTRING "Development EXE"
+#define VERSIONSTRINGW L"Development EXE"
+// most interface strings are ignored in development mode.
+// we use comprevision and compbranch instead.
 #else
 #define VERSION    201 // Game version
 #define SUBVERSION 14  // more precise version number
@@ -426,7 +428,7 @@ INT32 I_GetKey(void);
 #endif
 
 // Compile date and time and revision.
-extern const char *compdate, *comptime, *comprevision;
+extern const char *compdate, *comptime, *comprevision, *compbranch;
 
 // Disabled code and code under testing
 // None of these that are disabled in the normal build are guaranteed to work perfectly

src/m_menu.c

@@ -2463,11 +2463,14 @@ void M_Drawer(void)
 			V_DrawThinString(vid.dupx, vid.height - 9*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, customversionstring);
 		}
 		else
-#if VERSION > 0 || SUBVERSION > 0
+		{
+#ifdef DEVELOP // Development -- show revision / branch info
+			V_DrawThinString(vid.dupx, vid.height - 17*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, compbranch);
+			V_DrawThinString(vid.dupx, vid.height - 9*vid.dupy,  V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, comprevision);
+#else // Regular build
 			V_DrawThinString(vid.dupx, vid.height - 9*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, va("%s", VERSIONSTRING));
-#else // Trunk build, show revision info
-			V_DrawThinString(vid.dupx, vid.height - 9*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, va("%s (%s)", VERSIONSTRING, comprevision));
 #endif
+		}
 	}
 }
 

src/m_misc.c

@@ -1800,16 +1800,14 @@ UINT8 M_HighestBit(UINT32 num)
 
 const char *GetRevisionString(void)
 {
-	INT32 vinfo;
-	static char rev[8] = {0};
+	static char rev[9] = {0};
 	if (rev[0])
 		return rev;
 
-	vinfo = atoi(&comprevision[1]);
-	if (vinfo)
-		snprintf(rev, 7, "r%d", vinfo);
+	if (comprevision[0] == 'r')
+		strncpy(rev, comprevision, 7);
 	else
-		strcpy(rev, "rNULL");
+		snprintf(rev, 7, "r%s", comprevision);
 	rev[7] = '\0';
 
 	return rev;