diff --git a/.hgignore b/.hgignore
new file mode 100644
index 0000000..18448d6
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,4 @@
+# use glob syntax.
+syntax: glob
+
+src/zr/hgversion.h.inc
diff --git a/Makefile b/Makefile
index c5eddd1..1e4fe54 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,7 @@
 SOURCEDIR=src
 BUILDDIR=build
 SPCOMP=bin/spcomp
+VERSIONDUMP=./updateversion.sh
 
 vpath %.sp $(SOURCEDIR)
 vpath %.inc $(SOURCEDIR)/include
@@ -24,6 +25,7 @@ prepare_builddir:
 	@mkdir -p $(BUILDDIR)
 
 %.smx: %.sp
+	$(VERSIONDUMP)
 	$(SPCOMP) -i$(SOURCEDIR) -i$(SOURCEDIR)/include -o$(BUILDDIR)/$@ $<
 
 clean:
diff --git a/src/zombiereloaded.sp b/src/zombiereloaded.sp
index 59dc729..8c63409 100644
--- a/src/zombiereloaded.sp
+++ b/src/zombiereloaded.sp
@@ -34,11 +34,24 @@
 
 #define VERSION "3.0.0-b2-dev"
 
+// Comment this line to exclude version info command. Temporary solution until
+// there is a windows script for updating hgversion.h.inc.
+#define ADD_VERSION_INFO 1
+
 // Header includes.
 #include "zr/log.h"
 
+#if defined ADD_VERSION_INFO
+#include "zr/hgversion.h"
+#endif
+
 // Core includes.
 #include "zr/zombiereloaded"
+
+#if defined ADD_VERSION_INFO
+#include "zr/versioninfo"
+#endif
+
 #include "zr/translation"
 #include "zr/cvars"
 #include "zr/admintools"
diff --git a/src/zr/commands.inc b/src/zr/commands.inc
index 4635133..7cd9e8b 100644
--- a/src/zr/commands.inc
+++ b/src/zr/commands.inc
@@ -46,6 +46,10 @@ CommandsInit()
     ZHPOnCommandsCreate();
     VolOnCommandsCreate();
     
+    #if defined ADD_VERSION_INFO
+        VersionOnCommandsCreate();
+    #endif
+    
     DebugOnCommandsCreate();
     
     // Forward event to modules. (hook commands)
diff --git a/src/zr/cvars.inc b/src/zr/cvars.inc
index faadd94..4e11dba 100644
--- a/src/zr/cvars.inc
+++ b/src/zr/cvars.inc
@@ -208,6 +208,10 @@ CvarsInit()
     Format(description, sizeof(description), "%s Current version of this plugin", TRANSLATION_PHRASE_PREFIX);
     CreateConVar("gs_zombiereloaded_version", VERSION, description, FCVAR_PLUGIN|FCVAR_SPONLY|FCVAR_UNLOGGED|FCVAR_DONTRECORD|FCVAR_REPLICATED|FCVAR_NOTIFY);
     
+    #if defined ADD_VERSION_INFO
+        CreateConVar("zombiereloaded_revision", ZR_VER_REVISION, "Revision number for this plugin in source code repository.", FCVAR_PLUGIN|FCVAR_SPONLY|FCVAR_UNLOGGED|FCVAR_DONTRECORD|FCVAR_REPLICATED|FCVAR_NOTIFY);
+    #endif
+    
     // Forward event to modules.
     VEffectsOnCvarInit();
 }
diff --git a/src/zr/versioninfo.inc b/src/zr/versioninfo.inc
new file mode 100644
index 0000000..b83972e
--- /dev/null
+++ b/src/zr/versioninfo.inc
@@ -0,0 +1,62 @@
+/*
+ * ============================================================================
+ *
+ *  Zombie:Reloaded
+ *
+ *  File:          version.inc
+ *  Description:   Command for version information.
+ *
+ *  Copyright (C) 2009  Greyscale, Richard Helgeby
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * ============================================================================
+ */
+
+VersionOnCommandsCreate()
+{
+    RegConsoleCmd("zr_version", Command_Version, "Prints version info about this plugin.");
+}
+
+public Action:Command_Version(client, argc)
+{
+    decl String:buffer[512];
+    decl String:linebuffer[128];
+    buffer[0] = 0;
+    linebuffer[0] = 0;
+    
+    Format(linebuffer, sizeof(linebuffer), "%s\n", ZR_VER_PRODUCT_NAME);
+    StrCat(buffer, sizeof(buffer), linebuffer);
+    
+    Format(linebuffer, sizeof(linebuffer), "%s\n\n", ZR_VER_COPYRIGHT);
+    StrCat(buffer, sizeof(buffer), linebuffer);
+    
+    Format(linebuffer, sizeof(linebuffer), "Version:            %s\n", ZR_VER_VERSION);
+    StrCat(buffer, sizeof(buffer), linebuffer);
+    
+    Format(linebuffer, sizeof(linebuffer), "Development branch: %s\n", ZR_VER_BRANCH);
+    StrCat(buffer, sizeof(buffer), linebuffer);
+    
+    Format(linebuffer, sizeof(linebuffer), "Revision:           %s\n", ZR_VER_REVISION);
+    StrCat(buffer, sizeof(buffer), linebuffer);
+    
+    Format(linebuffer, sizeof(linebuffer), "License:            %s\n", ZR_VER_LICENSE);
+    StrCat(buffer, sizeof(buffer), linebuffer);
+    
+    Format(linebuffer, sizeof(linebuffer), "Compile date:       %s", ZR_VER_DATE);
+    StrCat(buffer, sizeof(buffer), linebuffer);
+    
+    ReplyToCommand(client, buffer);
+    return Plugin_Handled;
+}
diff --git a/updateversion.sh b/updateversion.sh
new file mode 100755
index 0000000..7f9793d
--- /dev/null
+++ b/updateversion.sh
@@ -0,0 +1,15 @@
+#/bin/sh
+
+ZR_VERSION_FILE="src/zr/hgversion.h.inc"
+
+ZR_PRODUCT_NAME="Zombie:Reloaded"
+ZR_COPYRIGHT="Copyright (C) 2009  Greyscale, Richard Helgeby"
+ZR_LICENSE="GNU GPL, Version 3"
+
+echo "#define ZR_VER_PRODUCT_NAME     \"$ZR_PRODUCT_NAME\"" > $ZR_VERSION_FILE
+echo "#define ZR_VER_COPYRIGHT        \"$ZR_COPYRIGHT\"" >> $ZR_VERSION_FILE
+echo "#define ZR_VER_VERSION          VERSION" >> $ZR_VERSION_FILE
+echo "#define ZR_VER_BRANCH           \"$(hg id -b)\"" >> $ZR_VERSION_FILE
+echo "#define ZR_VER_REVISION         \"$(hg id -n):$(hg id -i)\"" >> $ZR_VERSION_FILE
+echo "#define ZR_VER_LICENSE          \"$ZR_LICENSE\"" >> $ZR_VERSION_FILE
+echo "#define ZR_VER_DATE             \"$(date)\"" >> $ZR_VERSION_FILE