diff --git a/clean.do b/clean.do
index b519b35..1125a69 100644
--- a/clean.do
+++ b/clean.do
@@ -1,3 +1,2 @@
 rm -f t/hello t/[by]ellow t/*.o *~ .*~ t/*~ t/.*~ *.pyc t/CC t/LD
 rm -rf .redo t/.redo
-
diff --git a/minimal/do b/minimal/do
new file mode 100755
index 0000000..b42f66d
--- /dev/null
+++ b/minimal/do
@@ -0,0 +1,54 @@
+#!/bin/sh
+#
+# A minimal alternative to djb redo that doesn't support incremental builds.
+# For the full version, visit http://github.com/apenwarr/redo
+#
+export REDO="$(dirname "$0")/$(basename "$0")"
+IFS="
+"
+
+if [ -z "$DO_BUILT" ]; then
+	export DO_BUILT="$PWD/.do_built"
+	if [ -e "$DO_BUILT" ]; then
+		echo "Removing previously built files..." >&2
+		sort "$DO_BUILT" | uniq | tee "$DO_BUILT.new" | xargs rm -f
+		mv "$DO_BUILT.new" "$DO_BUILT"
+	fi
+fi
+
+
+_do()
+{
+	TARGET="$1"
+	DOFILE="$1.do"
+	if [ ! -e "$TARGET" ]; then
+		printf '\033[32mdo  \033[1m%s\033[m\n' "$PWD/$TARGET" >&2
+		echo "$PWD/$TARGET" >>"$DO_BUILT"
+		set "$TARGET" FIXME "$TARGET.tmp"
+		( . "$PWD/$DOFILE" >"$TARGET.tmp" ) && 
+		mv "$TARGET.tmp" "$TARGET"
+	else
+		echo "$1 exists." >&2
+	fi
+}
+
+
+redo()
+{
+	for i in "$@"; do
+		D="$(dirname "$i")"
+		B="$(basename "$i")"
+		( cd "$D" && _do "$B" )
+	done
+}
+
+
+alias redo-ifchange="redo"
+alias redo-ifcreate=":"
+set -e
+
+if [ -n "$*" ]; then
+	redo "$@"
+else
+	redo all
+fi
diff --git a/redo.py b/redo.py
index 9cc2c25..89afa85 100755
--- a/redo.py
+++ b/redo.py
@@ -30,6 +30,7 @@ if not os.environ.get('REDO_BASE', ''):
             break
     os.environ['REDO_BASE'] = base
     os.environ['REDO_STARTDIR'] = os.getcwd()
+    os.environ['REDO'] = os.path.abspath(sys.argv[0])
 
     # FIXME: just wiping out all the locks is kind of cheating.  But we
     # only do this from the toplevel redo process, so unless the user
diff --git a/runtests.do b/runtests.do
index 579dcfd..e6c5a13 100644
--- a/runtests.do
+++ b/runtests.do
@@ -1,4 +1,4 @@
-. wvtest.sh
+. ./wvtest.sh
 
 redo t/all
 WVSTART "t/runtests"
diff --git a/t/bellow.do b/t/bellow.do
index fa98f55..a308c5c 100644
--- a/t/bellow.do
+++ b/t/bellow.do
@@ -1,3 +1,3 @@
 redo-ifchange LD yellow.o
-./LD bellow yellow.o
+./LD "$3" yellow.o
 ./sleep 2
diff --git a/t/hello.c b/t/hello.c
old mode 100644
new mode 100755
diff --git a/t/hello.do b/t/hello.do
index 93794ee..c1bb472 100644
--- a/t/hello.do
+++ b/t/hello.do
@@ -1,3 +1,3 @@
 redo-ifchange LD hello.o
 ./sleep 1
-./LD hello hello.o
+./LD "$3" hello.o
diff --git a/t/yellow.do b/t/yellow.do
index dbcf36b..752818d 100644
--- a/t/yellow.do
+++ b/t/yellow.do
@@ -1,3 +1,3 @@
 redo-ifchange LD yellow.o
 ./sleep 1.5
-./LD yellow yellow.o
+./LD "$3" yellow.o
diff --git a/test.do b/test.do
index 9c0ada5..5feb053 100644
--- a/test.do
+++ b/test.do
@@ -1,4 +1,2 @@
 redo-ifchange t/all
-wvtestrun redo runtests >&2
-
-
+./wvtestrun "$REDO" runtests >&2