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improve install scripts with modern practices and transparency

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- Use modern signed-by method for PostgreSQL GPG keys
- Auto-detect latest Python 3 version from deadsnakes PPA
- Add command tracing (set -x) to show all commands as they run
- Display sudo commands upfront before execution
- Add user confirmation prompts (y/N) before installation
- Improve error handling with set -euo pipefail
- Add proper cleanup and verification steps
- Use pipx for VisiData installation
- Better output formatting with clear section headers

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Paul Trowbridge 2026-01-17 23:28:44 -05:00
parent c6d2eeb5fc
commit abaf266904
5 changed files with 354 additions and 29 deletions
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82
install_java_dev.sh
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@ -1,3 +1,81 @@
sudo apt install zip #!/bin/bash
set -euo pipefail
curl -s "https://get.sdkman.io" | bash echo "============================================"
echo "SDKMAN (Java Development) Installation Script"
echo "============================================"
echo ""
echo "This script will run the following commands with sudo:"
echo " - apt-get update"
echo " - apt-get install -y zip unzip curl"
echo ""
read -p "Continue with installation? (y/N) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Installation cancelled."
exit 0
fi
echo ""
echo "Starting installation (commands will be shown as they run)..."
echo ""
# Enable command tracing
set -x
# Install prerequisites
sudo apt-get update
sudo apt-get install -y zip unzip curl
set +x
# Check if SDKMAN is already installed
if [ -d "$HOME/.sdkman" ]; then
echo ""
echo "============================================"
echo "SDKMAN is already installed at ~/.sdkman"
echo "To update SDKMAN, run: sdk selfupdate"
echo "============================================"
exit 0
fi
# Install SDKMAN
echo "Installing SDKMAN..."
set -x
if ! curl -s "https://get.sdkman.io" | bash; then
set +x
echo "Error: SDKMAN installation failed" >&2
exit 1
fi
set +x
# Source SDKMAN to make it available in current session
export SDKMAN_DIR="$HOME/.sdkman"
[[ -s "$HOME/.sdkman/bin/sdkman-init.sh" ]] && source "$HOME/.sdkman/bin/sdkman-init.sh"
echo ""
echo "============================================"
# Verify installation
if [ -d "$HOME/.sdkman" ] && [ -f "$HOME/.sdkman/bin/sdkman-init.sh" ]; then
echo "SDKMAN installed successfully!"
echo ""
echo "To start using SDKMAN, either:"
echo " 1. Restart your shell, or"
echo " 2. Run: source ~/.bashrc"
echo ""
echo "Then you can install Java with:"
echo " sdk list java # List available Java versions"
echo " sdk install java # Install latest Java"
echo " sdk install java 21.0.1-tem # Install specific version"
echo ""
echo "Other useful SDKMAN commands:"
echo " sdk install gradle # Install Gradle"
echo " sdk install maven # Install Maven"
echo " sdk list # List all available SDKs"
else
echo "Error: SDKMAN installation verification failed" >&2
exit 1
fi
echo "============================================"

80
install_neovim.sh
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@ -1,5 +1,79 @@
curl -LO https://github.com/neovim/neovim/releases/latest/download/nvim-linux64.tar.gz #!/bin/bash
sudo rm -rf /opt/nvim set -euo pipefail
echo "============================================"
echo "Neovim Latest Installation Script"
echo "============================================"
echo ""
echo "This script will run the following commands with sudo:"
echo " - apt-get update (if curl not installed)"
echo " - apt-get install -y curl (if needed)"
echo " - rm -rf /opt/nvim-linux64 (if old installation exists)"
echo " - tar -C /opt -xzf nvim-linux64.tar.gz"
echo ""
read -p "Continue with installation? (y/N) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Installation cancelled."
exit 0
fi
echo ""
echo "Starting installation (commands will be shown as they run)..."
echo ""
# Enable command tracing
set -x
# Check for required tools
if ! command -v curl &> /dev/null; then
sudo apt-get update
sudo apt-get install -y curl
fi
# Disable tracing temporarily for cleaner download messages
set +x
# Download latest Neovim
echo "Downloading Neovim..."
TEMP_DIR=$(mktemp -d)
cd "$TEMP_DIR"
if ! curl -fsSL -o nvim-linux64.tar.gz https://github.com/neovim/neovim/releases/latest/download/nvim-linux64.tar.gz; then
echo "Error: Failed to download Neovim" >&2
rm -rf "$TEMP_DIR"
exit 1
fi
echo "Download complete."
set -x
# Remove old installation if it exists
if [ -d /opt/nvim-linux64 ]; then
sudo rm -rf /opt/nvim-linux64
fi
# Extract to /opt
sudo tar -C /opt -xzf nvim-linux64.tar.gz sudo tar -C /opt -xzf nvim-linux64.tar.gz
export PATH="$PATH:/opt/nvim-linux64/bin" set +x
# Clean up
cd - > /dev/null
rm -rf "$TEMP_DIR"
echo ""
echo "============================================"
# Verify installation
if [ -x /opt/nvim-linux64/bin/nvim ]; then
echo "Neovim installed successfully!"
/opt/nvim-linux64/bin/nvim --version | head -n1
echo ""
echo "Neovim is installed at: /opt/nvim-linux64/bin/nvim"
echo "Add to PATH by adding this to your ~/.bashrc:"
echo ' export PATH="$PATH:/opt/nvim-linux64/bin"'
else
echo "Error: Neovim installation failed" >&2
exit 1
fi
echo "============================================"

65
install_postgres.sh
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# Create the file repository configuration: #!/bin/bash
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list' set -euo pipefail
# Import the repository signing key: echo "============================================"
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add - echo "PostgreSQL Installation Script"
echo "============================================"
echo ""
echo "This script will run the following commands with sudo:"
echo " - mkdir -p /etc/apt/keyrings"
echo " - curl ... | gpg --dearmor -o /etc/apt/keyrings/postgresql.gpg"
echo " - tee /etc/apt/sources.list.d/pgdg.list"
echo " - apt-get update"
echo " - apt-get install -y postgresql"
echo ""
read -p "Continue with installation? (y/N) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Installation cancelled."
exit 0
fi
# Update the package lists: echo ""
echo "Starting installation (commands will be shown as they run)..."
echo ""
# Enable command tracing
set -x
# Create directory for keyrings if it doesn't exist
sudo mkdir -p /etc/apt/keyrings
# Download and install the PostgreSQL GPG key
if [ ! -f /etc/apt/keyrings/postgresql.gpg ]; then
curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | \
sudo gpg --dearmor -o /etc/apt/keyrings/postgresql.gpg
fi
# Add PostgreSQL repository
echo "deb [signed-by=/etc/apt/keyrings/postgresql.gpg] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" | \
sudo tee /etc/apt/sources.list.d/pgdg.list > /dev/null
# Update package lists
sudo apt-get update sudo apt-get update
# Install the latest version of PostgreSQL. # Install latest PostgreSQL
# If you want a specific version, use 'postgresql-12' or similar instead of 'postgresql': sudo apt-get install -y postgresql
sudo apt-get -y install postgresql
# Disable command tracing for cleaner output
set +x
echo ""
echo "============================================"
# Verify installation
if command -v psql &> /dev/null; then
echo "PostgreSQL installed successfully!"
psql --version
else
echo "Error: PostgreSQL installation failed" >&2
exit 1
fi
echo "============================================"

87
install_python3.sh
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#!/bin/bash #!/bin/bash
set -euo pipefail
# Update the package list echo "============================================"
echo "Python 3 Latest Installation Script"
echo "============================================"
echo ""
echo "This script will run the following commands with sudo:"
echo " - apt-get update"
echo " - apt-get install -y software-properties-common"
echo " - add-apt-repository -y ppa:deadsnakes/ppa"
echo " - apt-get update"
echo " - apt-get install -y python3.X python3.X-venv python3.X-dev python3.X-distutils"
echo " - <latest-python> (to install pip via get-pip.py)"
echo ""
read -p "Continue with installation? (y/N) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Installation cancelled."
exit 0
fi
echo ""
echo "Starting installation (commands will be shown as they run)..."
echo ""
# Enable command tracing
set -x
# Install prerequisites
sudo apt-get update
sudo apt-get install -y software-properties-common
# Add deadsnakes PPA
sudo add-apt-repository -y ppa:deadsnakes/ppa
sudo apt-get update sudo apt-get update
# Install the software-properties-common package # Disable tracing temporarily to find latest version cleanly
sudo apt-get install software-properties-common set +x
# Add the deadsnakes PPA to the sources list # Find the latest Python 3 version available
sudo add-apt-repository ppa:deadsnakes/ppa echo "Finding latest Python 3 version..."
LATEST_PYTHON=$(apt-cache search --names-only '^python3\.[0-9]+$' | \
grep -oP 'python3\.\d+' | \
sort -V | \
tail -1)
# Update the package list again if [ -z "$LATEST_PYTHON" ]; then
sudo apt-get update echo "Error: Could not determine latest Python 3 version" >&2
exit 1
fi
# Check the latest version of Python 3 available echo "Installing $LATEST_PYTHON..."
latest_version=$(apt-cache madison python3 | awk '{print $3}' | grep "^3\." | sort -V | tail -1) set -x
# Install the latest version of Python 3 sudo apt-get install -y \
sudo apt-get install -y python3=$latest_version "$LATEST_PYTHON" \
"$LATEST_PYTHON-venv" \
"$LATEST_PYTHON-dev" \
"$LATEST_PYTHON-distutils"
# Verify the installation # Install pip for the new Python version
python3 --version curl -sS https://bootstrap.pypa.io/get-pip.py | sudo "$LATEST_PYTHON"
which python3
# Disable command tracing for cleaner output
set +x
echo ""
echo "============================================"
# Verify installation
if command -v "$LATEST_PYTHON" &> /dev/null; then
echo "$LATEST_PYTHON installed successfully!"
"$LATEST_PYTHON" --version
"$LATEST_PYTHON" -m pip --version
else
echo "Error: $LATEST_PYTHON installation failed" >&2
exit 1
fi
echo ""
echo "Note: Use '$LATEST_PYTHON' to run this version"
echo "To make it the default python3, run:"
echo " sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/$LATEST_PYTHON 1"
echo "============================================"

69
install_visidata.sh
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pip3 install visidata #!/bin/bash
set -euo pipefail
# https://www.visidata.org/install/ echo "============================================"
echo "VisiData Installation Script"
echo "============================================"
echo ""
echo "This script will run the following commands with sudo:"
echo " - apt-get update (if pipx not installed)"
echo " - apt-get install -y pipx (if needed)"
echo ""
read -p "Continue with installation? (y/N) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Installation cancelled."
exit 0
fi
echo ""
echo "Starting installation (commands will be shown as they run)..."
echo ""
# Enable command tracing
set -x
# Check if python3 is available
if ! command -v python3 &> /dev/null; then
set +x
echo "Error: python3 is not installed. Please install Python 3 first." >&2
exit 1
fi
# Install pipx if not available (recommended way to install VisiData)
if ! command -v pipx &> /dev/null; then
sudo apt-get update
sudo apt-get install -y pipx
set +x
pipx ensurepath
set -x
fi
set +x
# Install VisiData using pipx
echo "Installing VisiData via pipx..."
set -x
pipx install visidata
# Disable command tracing for cleaner output
set +x
echo ""
echo "============================================"
# Verify installation
if command -v vd &> /dev/null; then
echo "VisiData installed successfully!"
vd --version
echo ""
echo "Note: If 'vd' command is not found, you may need to:"
echo " 1. Restart your shell, or"
echo " 2. Run: source ~/.bashrc"
else
echo "Warning: VisiData installed but 'vd' command not in PATH" >&2
echo "You may need to restart your shell or run: source ~/.bashrc" >&2
fi
echo ""
echo "Documentation: https://www.visidata.org/"
echo "============================================"