dependency installer for macOS, Debian/Ubuntu, and RedHat/CentOS

Author: Aadharsh-Rajkumar

scripts/install_dependencies.sh

@@ -1,21 +1,98 @@
 #!/bin/bash
-set -e
+# A solution for consolidating dependency installation commands for different operating systems (for macOS, Debian/Ubuntu, RedHat/CentOS)
+# Allows minimal repetition in command installations in multiple CI workflow files.
+# CI logs on which commands are being run.
 
-echo "Installing required dependencies..."
+# Instructions:
+# 1. Run this command: chmod +x ./scripts/install_dependencies.sh
+# 2. Run the installer: ./scripts/install_dependencies.sh
 
-# Detect OS and install packages
+set -euo pipefail  
+set -x              
+
+OS="$(uname -s)"
+echo "Installing dependencies for $OS OS"
+
+# macOS
 if [[ "$OSTYPE" == "darwin"* ]]; then
-    echo "Detected macOS"
+    # Use Homebrew for macOS package management
+    echo "Detected macOS."
+    export PATH="/opt/homebrew/bin:/opt/homebrew/sbin:$PATH"
     brew update
-    brew install cmake protobuf boost [email protected]
+
+    # Packages to install
+    declare -A packages
+    packages=(
+        ["cmake"]="cmake"
+        ["gcc"]="gcc"
+        ["python3"]="[email protected]"
+        ["boost"]="boost"
+        ["protobuf"]="protobuf"
+    )
+
+    # Install missing packages
+    for exe in "${!packages[@]}"; do
+        formula="${packages[$exe]}"
+        if ! command -v "$exe" >/dev/null 2>&1; then
+            echo "Installing $formula..."
+            brew install --verbose "$formula"
+        else
+            echo "$exe already installed"
+        fi
+    done
+
+    # Verification
+    echo "Verifying installations..."
+    which cmake; cmake --version
+    which gcc; gcc --version
+    which python3; python3 --version
+    brew list boost || echo "boost not found"
+    brew list protobuf || echo "protobuf not found"
+
+    echo "macOS dependencies installed successfully."
+
+
+# Debian/Ubuntu
 elif [[ -f /etc/debian_version ]]; then
     echo "Detected Debian/Ubuntu"
-    sudo apt-get update
-    sudo apt-get install -y build-essential cmake protobuf-compiler libboost-all-dev python3 python3-pip
+    sudo apt-get update -y
+
+    # Install all required packages (this time with openmpi and fftw)
+    pkgs="tar wget make cmake gcc g++ python3 python3-dev openmpi-bin libopenmpi-dev fftw3 libfftw3-dev protobuf-compiler libboost-all-dev"
+    sudo apt-get install -y $pkgs
+
+    # Verification
+    echo "Verifying installations..."
+    cmake --version || echo "cmake not found"
+    gcc --version || echo "gcc not found"
+    python3 --version || echo "python3 not found"
+    mpirun --version || echo "mpirun not found"
+    ldconfig -p | grep -q libfftw3 || echo "FFTW library not found"
+
+    echo "Linux dependencies installed successfully."
+
+
+# RedHat/CentOS
 elif [[ -f /etc/redhat-release ]]; then
     echo "Detected RedHat/CentOS"
     sudo yum install -y epel-release
-    sudo yum install -y cmake3 protobuf-compiler boost-devel python3
+
+    # Install all required packages (this time with openmpi and fftw)
+    pkgs="tar wget make cmake3 gcc gcc-c++ python3 openmpi fftw protobuf boost-devel"
+    sudo yum install -y $pkgs
+
+    # Verification
+    echo "Verifying installations..."
+    cmake3 --version || echo "cmake3 not found"
+    gcc --version || echo "gcc not found"
+    python3 --version || echo "python3 not found"
+    mpirun --version || echo "mpirun not found"
+    rpm -q fftw || echo "FFTW library not found"
+
+    echo "RedHat/CentOS dependencies installed successfully."
+
+
+# If Unsupported OS
 else
     echo "Unsupported OS: $OSTYPE"
     exit 1