Add install script

install.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+
+echo "Installing Funnel..."
+
+# Define the base repository URL
+REPO="ohsu-comp-bio/funnel"
+
+# Function to get the latest release URL if no version is provided
+get_latest_release_url() {
+    echo "https://api.github.com/repos/$REPO/releases/latest"
+}
+
+# Function to get the release URL for a specific tag
+get_tag_release_url() {
+    echo "https://api.github.com/repos/$REPO/releases/tags/$1"
+}
+
+# Parse version tag argument
+VERSION_TAG=$1
+
+# Determine the release URL based on whether a version tag was provided
+RELEASE_URL=""
+if [ -z "$VERSION_TAG" ]; then
+    echo "No version specified. Fetching the latest release..."
+    RELEASE_URL=$(get_latest_release_url)
+else
+    echo "Fetching release for version $VERSION_TAG..."
+    RELEASE_URL=$(get_tag_release_url $VERSION_TAG)
+fi
+
+DIR="./.funnel"
+mkdir -p $DIR
+cd $DIR
+
+# Determine OS and Architecture
+OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+
+if [ "$ARCH" == "x86_64" ]; then
+  ARCH="amd64"
+elif [[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]]; then
+  ARCH="arm64"
+else
+  echo "Unsupported architecture: $ARCH"
+  exit 1
+fi
+
+# Define the tar file based on OS and Architecture
+TAR_FILE="funnel-${OS}-${ARCH}*.tar.gz"
+CHECKSUM_FILE="checksums.txt"
+
+# Fetch the release assets URLs
+ASSETS=$(curl -s $RELEASE_URL | grep "browser_download_url" | cut -d '"' -f 4)
+
+# Download the tar.gz file and checksums.txt for the detected OS and Arch
+echo "Downloading the specified release for $OS $ARCH..."
+for asset in $ASSETS; do
+    if [[ $asset == *"${OS}-${ARCH}"* && $asset == *".tar.gz"* ]]; then
+        TAR_URL=$asset
+        TAR_NAME=$(basename $asset)
+        curl -LsO $TAR_URL
+    elif [[ $asset == *"$CHECKSUM_FILE"* ]]; then
+        curl -o $CHECKSUM_FILE -LsO $asset
+    fi
+done
+
+# Verify checksum
+echo "Verifying checksum..."
+CHECKSUM_EXPECTED=$(grep $TAR_NAME $CHECKSUM_FILE | awk '{print $1}')
+CHECKSUM_ACTUAL=$(shasum -a 256 $TAR_NAME | awk '{print $1}')
+
+if [ "$CHECKSUM_EXPECTED" != "$CHECKSUM_ACTUAL" ]; then
+    echo "Checksum verification failed for $TAR_NAME. Exiting..."
+    exit 1
+fi
+
+# Extract and install the package
+echo "Extracting the package..."
+tar -xzf $TAR_NAME
+
+# Parse installation destination
+DEST=$2
+
+# Determine where to install the Funnel binary
+if [ -z "$DEST" ]; then
+    echo "No destination specified, installing to $HOME/bin..."
+    DEST=$HOME/bin
+fi
+echo "Installing Funnel to $DEST..."
+mkdir -p $DEST
+mv funnel $DEST
+
+# Clean up
+rm $TAR_NAME $CHECKSUM_FILE
+
+echo "Installation successful"
+echo "Run 'funnel --help' for more info"
+