From f87eb0b2c74e42ea72324392380f28c5047477a1 Mon Sep 17 00:00:00 2001
From: Varun Guleria <152203177+varunguleriaCodes@users.noreply.github.com>
Date: Fri, 6 Dec 2024 20:19:45 +0530
Subject: [PATCH] feat: lodestar script setup (#7254)

* feat: lodestar_setup

* feat: script_updates + docs

* feat: script_addition_in_docs + command_update

* Remove duplicate script from docs folder

* Minor script updates

* Update script to prepare docs and ignore copied file

* Update installation page

* Wording

---------

Co-authored-by: Nico Flaig <nflaig@protonmail.com>
---
 .gitignore                                    |  1 +
 .../pages/run/getting-started/installation.md |  6 ++
 scripts/install-binary.sh                     | 91 +++++++++++++++++++
 scripts/prepare-docs.sh                       |  3 +
 4 files changed, 101 insertions(+)
 create mode 100755 scripts/install-binary.sh

diff --git a/.gitignore b/.gitignore
index 52d9bc66e5b6..e54f7440864d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,6 +52,7 @@ docs/pages/libraries/lightclient-prover/lightclient.md
 docs/pages/libraries/lightclient-prover/prover.md
 docs/pages/api/api-reference.md
 docs/pages/contribution/getting-started.md
+docs/static/install
 ## Docusaurus
 docs/.docusaurus/
 docs/build/
diff --git a/docs/pages/run/getting-started/installation.md b/docs/pages/run/getting-started/installation.md
index 40c4865f7726..b2b4003f90a5 100644
--- a/docs/pages/run/getting-started/installation.md
+++ b/docs/pages/run/getting-started/installation.md
@@ -4,6 +4,12 @@
 
 Binaries can be downloaded from the Lodestar [release page](https://github.com/ChainSafe/lodestar/releases/latest) under the `Assets` section.
 
+Run the following command to install the latest version
+
+```bash
+curl -fsSL https://chainsafe.github.io/lodestar/install | bash
+```
+
 ## Docker Installation
 
 The [`chainsafe/lodestar`](https://hub.docker.com/r/chainsafe/lodestar) Docker Hub repository is maintained actively. It contains the `lodestar` CLI preinstalled.
diff --git a/scripts/install-binary.sh b/scripts/install-binary.sh
new file mode 100755
index 000000000000..f6db9948eeda
--- /dev/null
+++ b/scripts/install-binary.sh
@@ -0,0 +1,91 @@
+#!/bin/bash
+
+# ASCII art
+echo "  _           _           _             "
+echo " | |         | |         | |            "
+echo " | | ___   __| | ___  ___| |_ __ _ _ __ "
+echo " | |/ _ \ / _  |/ _ \/ __| __/ _  |  __|"
+echo " | | (_) | (_| |  __/\__ \ || (_| | |   "
+echo " |_|\___/ \__ _|\___||___/\__\__ _|_|   "
+echo ""
+
+# Declare directories
+TEMP_DIR=$(mktemp -d)
+LOCAL_BIN="$HOME/.local/bin"
+
+# Ensure ~/.local/bin exists
+mkdir -p "$LOCAL_BIN"
+
+# Inform the user about temporary directory usage
+echo "Using temporary directory: $TEMP_DIR"
+
+# Fetch the latest release tag from GitHub
+echo "Fetching the latest version information..."
+VERSION=$(curl -s "https://api.github.com/repos/ChainSafe/lodestar/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
+
+# Check if VERSION is empty
+if [ -z "$VERSION" ]; then
+    echo "Failed to fetch the latest version. Exiting."
+    exit 1
+fi
+
+echo "Latest version detected: $VERSION"
+
+# Detect the operating system and architecture
+OS=$(uname -s)
+ARCH=$(uname -m)
+
+# Translate architecture to expected format
+case $ARCH in
+    x86_64) ARCH="amd64" ;;
+    aarch64|arm64) ARCH="arm64" ;;
+    *)
+        echo "Unsupported architecture: $ARCH. Exiting."
+        exit 1
+        ;;
+esac
+
+# Translate OS to expected format
+case $OS in
+    Linux) PLATFORM="linux-$ARCH" ;;
+    *)
+        echo "Unsupported operating system: $OS. Exiting."
+        exit 1
+        ;;
+esac
+
+# Construct the download URL
+URL="https://github.com/ChainSafe/lodestar/releases/download/$VERSION/lodestar-$VERSION-$PLATFORM.tar.gz"
+echo "Downloading from: $URL"
+
+# Download the tarball
+if ! wget "$URL" -O "$TEMP_DIR/lodestar-$VERSION-$PLATFORM.tar.gz"; then
+    echo "Download failed. Exiting."
+    exit 1
+fi
+
+# Extract the tarball
+echo "Extracting the binary..."
+if ! tar -xzf "$TEMP_DIR/lodestar-$VERSION-$PLATFORM.tar.gz" -C "$TEMP_DIR"; then
+    echo "Extraction failed. Exiting."
+    exit 1
+fi
+
+# Move the binary to ~/.local/bin
+echo "Moving the binary to $LOCAL_BIN..."
+mv "$TEMP_DIR/lodestar" "$LOCAL_BIN/"
+chmod +x "$LOCAL_BIN/lodestar"
+
+# Verify if ~/.local/bin is in PATH
+if [[ ":$PATH:" != *":$LOCAL_BIN:"* ]]; then
+    echo "Adding $LOCAL_BIN to PATH..."
+    echo 'export PATH="$PATH:$HOME/.local/bin"' >> "$HOME/.bashrc"
+    echo "Run 'source ~/.bashrc' to apply changes to your shell."
+fi
+
+# Clean up the temporary directory
+rm -rf "$TEMP_DIR"
+
+# Inform the user of successful installation
+echo "Installation complete!"
+echo "Run 'lodestar --help' to get started."
diff --git a/scripts/prepare-docs.sh b/scripts/prepare-docs.sh
index d2bac519a7f2..2fa16a7cc759 100755
--- a/scripts/prepare-docs.sh
+++ b/scripts/prepare-docs.sh
@@ -17,3 +17,6 @@ cp -r packages/prover/README.md $DOCS_DIR/pages/libraries/lightclient-prover/pro
 # Copy visual assets
 rm -rf $DOCS_DIR/pages/assets $DOCS_DIR/pages/images
 cp -r $ASSETS_DIR $DOCS_DIR/pages/assets
+
+# Copy binary install script to docs
+cp scripts/install-binary.sh $DOCS_DIR/static/install