From 580adff57579bad2c5b2ea851839a463f14e7de3 Mon Sep 17 00:00:00 2001
From: Akosh Farkash <aakoshh@gmail.com>
Date: Thu, 9 May 2024 16:18:44 +0100
Subject: [PATCH] DOCS: Eth API

---
 scripts/copy-rust-dep-structure.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 scripts/copy-rust-dep-structure.sh

diff --git a/scripts/copy-rust-dep-structure.sh b/scripts/copy-rust-dep-structure.sh
new file mode 100755
index 0000000000..ea08766a13
--- /dev/null
+++ b/scripts/copy-rust-dep-structure.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Copy only the Cargo.toml files in the exact project structure,
+# so that we can build all dependencies without our own sources.
+
+IN_DIR=$1
+OUT_DIR=$2
+
+for file in $(find $IN_DIR -type f \( -wholename "**/Cargo.*" \) | grep -v target | grep -v node_modules); do
+  RELATIVE_PATH=${file#*$IN_DIR/}
+  TARGET_DIR=$OUT_DIR/$(dirname $RELATIVE_PATH)
+  mkdir -p $TARGET_DIR
+  cp $file $TARGET_DIR
+done
+
+
+# Construct dummy sources. Add a print to help debug the case if we failed to properly replace the file.
+echo "fn main() { println!(\"I'm the dummy.\"); }" > $OUT_DIR/fendermint/app/src/main.rs
+
+for crate in $(find $TARGET_DIR -name "Cargo.toml" | xargs dirname | grep -v infra | grep -v node_modules | grep /); do \
+  touch $crate/src/lib.rs; \
+done