diff --git a/README.md b/README.md
index 9e7fbef..ff79f74 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ binary blobs. [Forum post goes with this][1].
 Clone zig and prune binary files from history:
 
 ```
-$ git clone --reference zig --dissociate https://github.com/ziglang/zig zig-nobinaries
+$ git clone https://github.com/ziglang/zig zig-nobinaries
 $ cd zig-nobinaries
 $ git filter-repo --prune-empty=never --prune-degenerate never --invert-paths --path-glob 'stage1/zig1.wasm*' --path stage1/zig1.c
 ```
diff --git a/run b/run
index 6bfacd2..247302c 100755
--- a/run
+++ b/run
@@ -125,11 +125,10 @@ step10() {
   local TO_="$BOUNDFN_"
   echo "Generating zig1.wasm.zst for $TO_"
   rm -fr "../zig-$TO_"
-  git clone . "../zig-$TO_"
+  git archive --prefix=zig-$TO_/ $TO | tar -C .. -x
 
   {
     pushd "../zig-$TO_"
-    git checkout $TO
     cp "$OLDPWD/stage1/zig1.wasm.zst" stage1/
     patch -p1 <"$HERE/0.10.0-675-g9d93b2ccf1-TypeOf-hack.patch"
     fullbuild
@@ -146,11 +145,10 @@ step20() {
   local TO_="$C_AARCH64_"
   echo "Generating zig1.wasm.zst for $C_AARCH64_"
   rm -fr "../zig-$TO_"
-  git clone . "../zig-$TO_"
+  git archive --prefix=zig-$TO_/ $TO | tar -C .. -x
 
   {
     pushd "../zig-$TO_"
-    git checkout $TO
     zstd -cd ../zig-$FROM_/stage1/zig1.wasm.zst >stage1/zig1.wasm
     fullbuild
     build/stage3/bin/zig build update-zig1
@@ -167,11 +165,10 @@ step30() {
 
   echo "Updating zig1.wasm from $FROM_ -> $TO_ in ../zig-$TO_"
   rm -fr "../zig-$TO_"
-  git clone . "../zig-$TO_"
+  git archive --prefix=zig-$TO_/ $TO | tar -C .. -x
 
   {
     pushd "../zig-$TO_"
-    git checkout $TO
     patch -p1 <"$HERE/0.10.0-747-g7b2a936173-CallOptions.patch"
     "../zig-$FROM_/build/stage3/bin/zig" build --zig-lib-dir lib update-zig1
     popd
@@ -187,11 +184,10 @@ step40() {
 
   echo "Updating zig1.wasm from $FROM_ -> $TO_ in ../zig-$TO_"
   rm -fr "../zig-$TO_"
-  git clone . "../zig-$TO_"
+  git archive --prefix=zig-$TO_/ $TO | tar -C .. -x
 
   {
     pushd "../zig-$TO_"
-    git checkout $TO
     cp ../zig-$FROM_/stage1/zig1.wasm stage1/zig1.wasm
     fullbuild
     build/stage3/bin/zig build update-zig1