diff --git a/.gitignore b/.gitignore
index 7ec36ea..19a7a19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,7 @@
-SOURCES/mtdev-1.1.5.tar.bz2
+mtdev-20100706.tar.bz2
+mtdev-20100803.tar.bz2
+/mtdev-20110105.tar.bz2
+/mtdev-1.1.2.tar.bz2
+/mtdev-1.1.3.tar.bz2
+/mtdev-1.1.4.tar.bz2
 /mtdev-1.1.5.tar.bz2
diff --git a/commitid b/commitid
new file mode 100644
index 0000000..6d3374f
--- /dev/null
+++ b/commitid
@@ -0,0 +1 @@
+9e3daba37d1d15c99a41a2d838bf683934cc7077
diff --git a/make-git-snapshot.sh b/make-git-snapshot.sh
new file mode 100644
index 0000000..8b3a485
--- /dev/null
+++ b/make-git-snapshot.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+DIRNAME=mtdev-$( date +%Y%m%d )
+
+rm -rf $DIRNAME
+git clone http://bitmath.org/git/mtdev.git $DIRNAME
+cd $DIRNAME
+if [ -z "$1" ]; then
+    git log | head -1
+else
+    git checkout $1
+fi
+git log | head -1 | awk '{ print $2 }' > ../commitid
+git repack -a -d
+cd ..
+tar jcf $DIRNAME.tar.bz2 $DIRNAME
+rm -rf $DIRNAME