add git version numbers for ccat and MINI

Makefile

@@ -19,15 +19,20 @@ include ../../common.mk
 
 all: $(TARGET_BIN)
 
+main.o: main.c git_version.h
+
 $(TARGET_BIN): $(TARGET) $(ELFLOADER) 
 	@echo  "MAKEBIN	$@"
 	@$(MAKEBIN) $(ELFLOADER) $< $@
 
 upload: $(TARGET_BIN)
 	@$(WIIDEV)/bin/bootmii -a $<
+	
+git_version.h:
+	echo 'const char git_version[] = "'`./describesimple.sh`'";' > git_version.h
 
 clean: myclean
 
 myclean:
-	-rm -f $(TARGET_BIN)
+	-rm -f $(TARGET_BIN) git_version.h
 

describesimple.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Check for git and a git repo.
+if head=`git rev-parse --verify HEAD 2>/dev/null`; then
+	comm=`git log --pretty=oneline -n1 ../mini | awk ' { print $1 }'`
+	if tagver=`git describe --exact-match --match bootmii-\* $comm 2>/dev/null`; then
+		printf "%s" "BootMii v"`printf "%s" $tagver | awk '{ sub (/bootmii-/, ""); print;}'`
+	else
+		printf "%s" ""`printf "%s" \`git describe --abbrev=4 --match bootmii-\* $comm | awk '{ sub (/bootmii-/, ""); print;}'\``
+	fi
+
+	# Are there uncommitted changes?
+	git update-index --refresh --unmerged > /dev/null
+	git diff-index --quiet HEAD ../mini || printf "%s" '*'
+fi
+
+echo

main.c

@@ -38,6 +38,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #include "crypto.h"
 #include "nand.h"
 #include "boot2.h"
+#include "git_version.h"
 
 #define PPC_BOOT_FILE "/bootmii/ppcboot.elf"
 
@@ -51,7 +52,7 @@ u32 _main(void *base)
 	(void)base;
 
 	gecko_init();
-	gecko_printf("mini v0.2 loading\n");
+	gecko_printf("mini v0.2 (%s) loading\n", git_version);
 
 	gecko_printf("Initializing exceptions...\n");
 	exception_initialize();