Show the builds commit ID during boot

Makefile

@@ -100,6 +100,7 @@ export DEPSDIR	:=	$(CURDIR)/$(BUILD)
 # automatically build a list of object files for our project
 #---------------------------------------------------------------------------------
 SVNREV		:=	$(shell bash ./svnrev.sh)
+GITVER		:=	$(shell bash ./gitver.sh)
 IMPORTFILES	:=  $(shell bash ./filelist.sh)
 export CFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
 export CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))

gitver.sh

@@ -0,0 +1,25 @@
+#! /bin/bash
+commit_id=$(git rev-parse --short=7 HEAD 2>/dev/null)
+[ -z "$commit_id" ] && commit_id="0000001"
+commit_message=$(git show -s --format="%<(52,trunc)%s" $commit_id 2>/dev/null | sed -e 's/[[:space:]]*$//')
+[ -z "$commit_message" ] && commit_message="unable to get the commit message"
+commit_id_old=$(cat ./source/gitver.c 2>/dev/null | tr -d '\n' | sed -r 's/.*([0-9a-f]{7}).*/\1/')
+
+if [ "$commit_id" != "$commit_id_old" ] || [ ! -f ./source/gitver.c ]; then
+
+cat <<EOF > ./source/gitver.c
+#define GIT_HASH "$commit_id"
+
+const char *commitID()
+{
+	return GIT_HASH;
+}
+EOF
+
+	if [ -z "$commit_id_old" ]; then
+		echo "Created gitver.c and set the commit ID to $commit_id ($commit_message)" >&2
+	else
+		echo "Changed the commit ID from $commit_id_old to $commit_id ($commit_message)" >&2
+	fi
+	echo >&2
+fi

source/StartUpProcess.cpp

@@ -25,6 +25,7 @@
 #include "utils/tools.h"
 #include "sys.h"
 #include "svnrev.h"
+#include "gitver.h"
 
 extern bool isWiiVC; // in sys.cpp
 
@@ -53,13 +54,13 @@ StartUpProcess::StartUpProcess()
 	versionTxt->SetPosition(20, screenheight-20);
 
 #ifdef FULLCHANNEL
-	versionTxt->SetTextf("v3.0c Rev. %s", GetRev());
+	versionTxt->SetTextf("v3.0c Rev. %s (%s)", GetRev(), commitID());
 #else
-	versionTxt->SetTextf("v3.0  Rev. %s", GetRev());
+	versionTxt->SetTextf("v3.0 Rev. %s (%s)", GetRev(), commitID());
 #endif
 
 #if 1 // enable if you release a modded version - enabled by default to differentiate official releases
-	versionTxt->SetTextf("v3.0  Rev. %s mod", GetRev());
+	versionTxt->SetTextf("v3.0 Rev. %s mod (%s)", GetRev(), commitID());
 #endif
 
 	cancelTxt = new GuiText("Press B to cancel", 18, (GXColor) {255, 255, 255, 255});

source/gitver.h

@@ -0,0 +1,15 @@
+#ifndef GITVER_H
+#define GITVER_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	const char *commitID();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif