From 4f3b38dcb1f2d55daed11a4d62b11014f6539eb2 Mon Sep 17 00:00:00 2001
From: Josh Ashton <joshua.t.ashton@gmail.com>
Date: Mon, 12 Feb 2024 16:42:56 -0700
Subject: [PATCH] basic implementation of install script completed, with
 support for python projects.

---
 install | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 186 insertions(+)
 create mode 100755 install

diff --git a/install b/install
new file mode 100755
index 0000000..bfdebe3
--- /dev/null
+++ b/install
@@ -0,0 +1,186 @@
+#!/bin/zsh
+
+name_executable() {
+    echo "The current name of the executable is $1"
+
+    read "?Enter the name of the executable: " NAME
+    echo $NAME
+}
+
+help() {
+    echo "This script installs a project onto the user's system."
+    echo "Usage: install"
+    echo "       install <path-to-project>"
+    echo "       install -h | --help"
+    echo "\nIf no path is provided, the script will look for a dependencies.txt file in the current directory."
+    exit 0
+}
+
+error_missing_dependencies() {
+    echo "The dependencies.txt file is missing from the project directory."
+    echo "This file should contain the required packages for the project to run."
+    echo "The format should be as follows: <command>,<package>"
+    echo "For example: python,python3"
+    echo "Please create this file before continuing."
+    echo "You can find an example file in the root directory of this project."
+    exit 1
+}
+
+success() {
+    NAME=$1
+
+    echo "The $NAME project and it's dependencies have been successfully installed onto your system."
+    echo "You can now run the project by typing $NAME into the terminal."
+    exit 0
+}
+
+install_python() {
+    NAME=$(name_executable $1)
+
+    # Get the current working directory and the virtual environment
+    CWD=$(pwd)
+    ENV=$(pwd)/bin/activate
+    COMMAND="python $CWD/$NAME.py"
+
+    # Create the virtual environment
+    python -m venv .
+    source bin/activate
+
+    # Install Python packages in the virtual environment
+    if [[ -f requirements.txt ]]; then
+        pip install -r requirements.txt
+    fi
+
+
+    # Create the executable
+    sudo echo "#!/bin/zsh" > /usr/local/bin/$NAME
+    sudo echo "\nsource $ENV" >> /usr/local/bin/$NAME
+    sudo echo "$COMMAND" >> /usr/local/bin/$NAME
+    sudo echo "\n# Auto-generated by the install script" >> /usr/local/bin/$NAME
+    sudo chmod +x /usr/local/bin/$NAME
+
+    success $NAME
+}
+
+install() {
+    PROJECT_NAME=$1
+
+    echo "\nInstalling the $PROJECT_NAME project onto your system..."
+
+    echo "Please select the project language or build system:"
+    echo "1. C"
+    echo "2. Python"
+    echo "3. Java"
+    echo "4. Other"
+
+    read "?Enter the number of the project type: " PROJECT_TYPE
+
+    case $PROJECT_TYPE in
+        1)
+            echo "C"
+            echo "Need to implement"
+            ;;
+        2)
+            install_python "$PROJECT_NAME"
+            ;;
+        3)
+            echo "Java"
+            echo "Need to implement"
+            ;;
+        4)
+            echo "Other"
+            echo "Need to implement: have user specify the command/commands to run the project"
+            ;;
+        *)
+            echo "Invalid option"
+            ;;
+    esac
+}
+
+install_dependencies() {
+    echo "Checking for required packages..."
+
+    # Check if the check-dependency command is installed
+    if ! command -v check-dependency &> /dev/null
+    then
+        echo "The command check-dependency could not be found. Please install it before continuing."
+        echo "You can find it at https://github.com/quaxlyqueen/scripts."
+        exit 1
+    fi
+
+    # Iterate through each line of the dependencies.txt file
+    # and check if the package is installed with check-dependency <command> <package>
+    while read -r line; do
+        command=$(echo $line | awk -F ',' '{print $1}')
+        package=$(echo $line | awk -F ',' '{print $2}')
+
+        check-dependency $command $package
+
+        # If the package could not be installed, exit the script
+        if [[ $? -eq 1 ]]; then
+            echo "The command $command from package $package could not be installed. Please install it manually before continuing."
+            exit 1
+        fi
+
+    done < dependencies.txt
+}
+
+check_sudo() {
+    if [[ $EUID -ne 0 ]]; then
+        echo "This script must be run as root"
+        echo "Try 'sudo ./install'"
+        exit 1
+    fi
+}
+
+check_args() {
+    check_sudo
+
+    if [[ $# -gt 1 ]]; then
+        echo "ERROR: There were too many arguments.\n"
+        echo "Usage: install"
+        echo "       install <path-to-project>"
+        echo "       install -h | --help"
+        exit 1
+
+    # No arguments provided
+    elif [[ $# -eq 0 ]]; then
+
+        # Check if the current directory contains the required dependencies.txt file.
+        if [[ ! -f dependencies.txt ]]; then
+            error_missing_dependencies
+
+        # Install the project
+        else
+            PROJECT_NAME=$(pwd | cut -d '/' -f5)
+            install_dependencies
+            install "$PROJECT_NAME"
+        fi
+
+    # User argument provided
+    else
+
+        # Display help message
+        if [[ $1 == "-h" || $1 == "--help" ]]; then
+            help
+        fi
+
+        # Check if the specified directory exists
+        if [[ ! -d $1 ]]; then
+            echo "The specified project directory does not exist"
+            exit 1
+
+        # Check if the specified directory contains the required dependencies.txt file.
+        elif [[ ! -f $1/dependencies.txt ]]; then
+            error_missing_dependencies
+
+        # Install the project
+        else
+            PROJECT_NAME=$1
+            install_dependencies
+            cd $PROJECT_NAME
+        fi
+    fi
+}
+
+check_args $1