Add a "rev-tree" helper, which calculates the revision

tree graph.

It's quite fast when the commit-objects are cached, but since
it has to walk every single commit-object, it also allows you
to cache an old state and just add on top of that.

1 files changed, 4 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index d09390c00..ddb4e3ecd 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CFLAGS=-g -O3 -Wall
 CC=gcc
 
 PROG=	update-cache show-diff init-db write-tree read-tree commit-tree \
-	cat-file fsck-cache checkout-cache diff-tree
+	cat-file fsck-cache checkout-cache diff-tree rev-tree
 
 all: $(PROG)
 
@@ -40,6 +40,9 @@ checkout-cache: checkout-cache.o read-cache.o
 diff-tree: diff-tree.o read-cache.o
 	$(CC) $(CFLAGS) -o diff-tree diff-tree.o read-cache.o $(LIBS)
 
+rev-tree: rev-tree.o read-cache.o
+	$(CC) $(CFLAGS) -o rev-tree rev-tree.o read-cache.o $(LIBS)
+
 read-cache.o: cache.h
 show-diff.o: cache.h