Record which tree the patch applies to.

Also note which version of GIT produced the patch.

Signed-off-by: Junio C Hamano <junkio@cox.net>

Makefile

@@ -306,18 +306,23 @@ git: git.sh Makefile
 
 $(filter-out git,$(patsubst %.sh,%,$(SCRIPT_SH))) : % : %.sh
 	rm -f $@
-	sed -e '1s|#!.*/sh|#!$(SHELL_PATH)|' $@.sh >$@
+	sed -e '1s|#!.*/sh|#!$(SHELL_PATH)|' \
+	    -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+	    $@.sh >$@
 	chmod +x $@
 
 $(patsubst %.perl,%,$(SCRIPT_PERL)) : % : %.perl
 	rm -f $@
-	sed -e '1s|#!.*perl|#!$(PERL_PATH)|' $@.perl >$@
+	sed -e '1s|#!.*perl|#!$(PERL_PATH)|' \
+	    -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+	    $@.perl >$@
 	chmod +x $@
 
 $(patsubst %.py,%,$(SCRIPT_PYTHON)) : % : %.py
 	rm -f $@
 	sed -e '1s|#!.*python|#!$(PYTHON_PATH)|' \
 	    -e 's|@@GIT_PYTHON_PATH@@|$(GIT_PYTHON_DIR)|g' \
+	    -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
 	    $@.py >$@
 	chmod +x $@
 

git-format-patch.sh

@@ -212,7 +212,10 @@ Date: '"$ad"
 	echo
 	git-diff-tree -p $diff_opts "$commit" | git-apply --stat --summary
 	echo
+	git-cat-file commit "$commit^" | sed -e 's/^tree /applies-to: /' -e q
 	git-diff-tree -p $diff_opts "$commit"
+	echo "---"
+	echo "@@GIT_VERSION@@"
 
 	case "$mbox" in
 	t)