228 lines
11 KiB
Bash
228 lines
11 KiB
Bash
#!/usr/bin/env bash
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# @file Homebrew Install
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# @brief Installs Homebrew on macOS and / or Linux.
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# @description
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# This script installs Homebrew on macOS and/or Linux machines. The script:
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#
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# 1. Ensures Homebrew is not already installed
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# 2. Installs Homebrew headlessly if sudo privileges are already given
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# 3. Prompts for the sudo password, if required
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# 4. Performs some clean up and update tasks when the Homebrew installation reports an error
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#
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# **Note**: `https://install.doctor/brew` points to this file.
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# @description This function logs with style using Gum if it is installed, otherwise it uses `echo`. It is also capable of leveraging Glow to render markdown.
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# When Glow is not installed, it uses `cat`. The following sub-commands are available:
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#
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# | Sub-Command | Description |
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# |-------------|-----------------------------------------------------------------------------------------------------|
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# | `error` | Logs a bright red error message |
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# | `info` | Logs a regular informational message |
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# | `md` | Tries to render the specified file using `glow` if it is installed and uses `cat` as a fallback |
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# | `prompt` | Alternative that logs a message intended to describe an upcoming user input prompt |
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# | `star` | Alternative that logs a message that starts with a star icon |
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# | `start` | Same as `success` |
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# | `success` | Logs a success message that starts with green checkmark |
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# | `warn` | Logs a bright yellow warning message |
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# @example
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# logger info "An informative log"
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# @example
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# logger md ~/README.md
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logg() {
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TYPE="$1"
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MSG="$2"
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if [ "$TYPE" == 'error' ]; then
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if command -v gum > /dev/null; then
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gum style --border="thick" "$(gum style --foreground="#ff0000" "✖") $(gum style --bold --background="#ff0000" --foreground="#ffffff" " ERROR ") $(gum style --bold "$MSG")"
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else
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echo "ERROR: $MSG"
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fi
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elif [ "$TYPE" == 'info' ]; then
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if command -v gum > /dev/null; then
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gum style " $(gum style --foreground="#00ffff" "○") $(gum style --faint "$MSG")"
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else
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echo "INFO: $MSG"
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fi
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elif [ "$TYPE" == 'md' ]; then
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if command -v glow > /dev/null; then
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glow "$MSG"
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else
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cat "$MSG"
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fi
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elif [ "$TYPE" == 'prompt' ]; then
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if command -v gum > /dev/null; then
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gum style " $(gum style --foreground="#00008b" "▶") $(gum style --bold "$MSG")"
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else
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echo "PROMPT: $MSG"
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fi
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elif [ "$TYPE" == 'star' ]; then
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if command -v gum > /dev/null; then
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gum style " $(gum style --foreground="#d1d100" "◆") $(gum style --bold "$MSG")"
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else
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echo "STAR: $MSG"
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fi
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elif [ "$TYPE" == 'start' ]; then
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if command -v gum > /dev/null; then
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gum style " $(gum style --foreground="#00ff00" "▶") $(gum style --bold "$MSG")"
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else
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echo "START: $MSG"
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fi
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elif [ "$TYPE" == 'success' ]; then
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if command -v gum > /dev/null; then
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gum style " $(gum style --foreground="#00ff00" "✔") $(gum style --bold "$MSG")"
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else
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echo "SUCCESS: $MSG"
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fi
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elif [ "$TYPE" == 'warn' ]; then
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if command -v gum > /dev/null; then
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gum style " $(gum style --foreground="#d1d100" "◆") $(gum style --bold --background="#ffff00" --foreground="#000000" " WARNING ") $(gum style --bold "$MSG")"
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else
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echo "WARNING: $MSG"
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fi
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else
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if command -v gum > /dev/null; then
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gum style " $(gum style --foreground="#00ff00" "▶") $(gum style --bold "$TYPE")"
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else
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echo "$MSG"
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fi
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fi
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}
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# @description This function ensures dependencies like `git` and `curl` are installed. More specifically, this function will:
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#
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# 1. Check if `curl`, `git`, `expect`, `rsync`, and `unbuffer` are on the system
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# 2. If any of the above are missing, it will then use the appropriate system package manager to satisfy the requirements. *Note that some of the requirements are not scanned for in order to keep it simple and fast.*
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# 3. On macOS, the official Xcode Command Line Tools are installed.
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ensureBasicDeps() {
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if ! command -v curl > /dev/null || ! command -v git > /dev/null || ! command -v expect > /dev/null || ! command -v rsync > /dev/null || ! command -v unbuffer > /dev/null; then
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if command -v apt-get > /dev/null; then
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### Debian / Ubuntu
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logg info 'Running sudo apt-get update' && sudo apt-get update
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logg info 'Running sudo apt-get install -y build-essential curl expect git rsync procps file' && sudo apt-get install -y build-essential curl expect git rsync procps file
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elif command -v dnf > /dev/null; then
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### Fedora
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logg info 'Running sudo dnf groupinstall -y "Development Tools"' && sudo dnf groupinstall -y 'Development Tools'
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logg info 'Running sudo dnf install -y curl expect git rsync procps-ng file' && sudo dnf install -y curl expect git rsync procps-ng file
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elif command -v yum > /dev/null; then
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### CentOS
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logg info 'Running sudo yum groupinstall -y "Development Tools"' && sudo yum groupinstall -y 'Development Tools'
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logg info 'Running sudo yum install -y curl expect git rsync procps-ng file' && sudo yum install -y curl expect git rsync procps-ng file
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elif command -v pacman > /dev/null; then
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### Archlinux
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logg info 'Running sudo pacman update' && sudo pacman update
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logg info 'Running sudo pacman -Syu base-devel curl expect git rsync procps-ng file' && sudo pacman -Syu base-devel curl expect git rsync procps-ng file
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elif command -v zypper > /dev/null; then
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### OpenSUSE
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logg info 'Running sudo zypper install -yt pattern devel_basis' && sudo zypper install -yt pattern devel_basis
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logg info 'Running sudo zypper install -y curl expect git rsync procps file' && sudo zypper install -y curl expect git rsync procps file
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elif command -v apk > /dev/null; then
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### Alpine
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logg info 'Running sudo apk add build-base curl expect git rsync ruby procps file' && sudo apk add build-base curl expect git rsync ruby procps file
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elif [ -d /Applications ] && [ -d /Library ]; then
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### macOS
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logg info "Ensuring Xcode Command Line Tools are installed.."
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if ! xcode-select -p >/dev/null 2>&1; then
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logg info "Command Line Tools for Xcode not found"
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### This temporary file prompts the 'softwareupdate' utility to list the Command Line Tools
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touch /tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress;
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XCODE_PKG="$(softwareupdate -l | grep "\*.*Command Line" | tail -n 1 | sed 's/^[^C]* //')"
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logg info "Installing from softwareupdate" && softwareupdate -i "$XCODE_PKG" && logg success "Successfully installed $XCODE_PKG"
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fi
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elif [[ "$OSTYPE" == 'cygwin' ]] || [[ "$OSTYPE" == 'msys' ]] || [[ "$OSTYPE" == 'win32' ]]; then
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### Windows
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logg info 'Running choco install -y curl expect git rsync' && choco install -y curl expect git rsync
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elif command -v nix-env > /dev/null; then
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### NixOS
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logg warn "TODO - Add support for NixOS"
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elif [[ "$OSTYPE" == 'freebsd'* ]]; then
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### FreeBSD
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logg warn "TODO - Add support for FreeBSD"
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elif command -v pkg > /dev/null; then
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### Termux
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logg warn "TODO - Add support for Termux"
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elif command -v xbps-install > /dev/null; then
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### Void
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logg warn "TODO - Add support for Void"
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fi
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fi
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}
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ensureBasicDeps
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### Ensure Homebrew is loaded
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loadHomebrew() {
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if ! command -v brew > /dev/null; then
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if [ -f /usr/local/bin/brew ]; then
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logg info "Using /usr/local/bin/brew" && eval "$(/usr/local/bin/brew shellenv)"
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elif [ -f "${HOMEBREW_PREFIX:-/opt/homebrew}/bin/brew" ]; then
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logg info "Using ${HOMEBREW_PREFIX:-/opt/homebrew}/bin/brew" && eval "$("${HOMEBREW_PREFIX:-/opt/homebrew}/bin/brew" shellenv)"
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elif [ -d "$HOME/.linuxbrew" ]; then
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logg info "Using $HOME/.linuxbrew/bin/brew" && eval "$("$HOME/.linuxbrew/bin/brew" shellenv)"
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elif [ -d "/home/linuxbrew/.linuxbrew" ]; then
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logg info 'Using /home/linuxbrew/.linuxbrew/bin/brew' && eval "(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
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else
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logg info 'Could not find Homebrew installation'
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fi
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fi
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}
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### Ensures Homebrew folders have proper owners / permissions
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fixHomebrewPermissions() {
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if command -v brew > /dev/null; then
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logg info 'Applying proper permissions on Homebrew folders'
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sudo chmod -R go-w "$(brew --prefix)/share"
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BREW_DIRS="share etc/bash_completion.d"
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for BREW_DIR in $BREW_DIRS; do
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if [ -d "$(brew --prefix)/$BREW_DIR" ]; then
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sudo chown -Rf "$(whoami)" "$(brew --prefix)/$BREW_DIR"
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fi
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done
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logg info 'Running brew update --force --quiet' && brew update --force --quiet
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fi
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}
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### Installs Homebrew
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ensurePackageManagerHomebrew() {
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if ! command -v brew > /dev/null; then
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### Select install type based off of whether or not sudo privileges are available
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if command -v sudo > /dev/null && sudo -n true; then
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logg info 'Installing Homebrew. Sudo privileges available.'
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echo | bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" || BREW_EXIT_CODE="$?"
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else
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logg info 'Installing Homebrew. Sudo privileges not available. Password may be required.'
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bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" || BREW_EXIT_CODE="$?"
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fi
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### Attempt to fix problematic installs
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if [ -n "$BREW_EXIT_CODE" ]; then
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logg warn 'Homebrew was installed but part of the installation failed to complete successfully.'
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fixHomebrewPermissions
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fi
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fi
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}
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### Ensures gcc is installed
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ensureGcc() {
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if command -v brew > /dev/null; then
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if ! brew list | grep gcc > /dev/null; then
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logg info 'Installing Homebrew gcc' && brew install --quiet gcc
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else
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logg info 'Homebrew gcc is available'
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fi
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else
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logg error 'Failed to initialize Homebrew' && exit 1
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fi
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}
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# @description This function ensures Homebrew is installed and available in the `PATH`. It handles the installation of Homebrew on both **Linux and macOS**.
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# It will attempt to bypass sudo password entry if it detects that it can do so. The function also has some error handling in regards to various
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# directories falling out of the correct ownership and permission states. Finally, it loads Homebrew into the active profile (allowing other parts of the script
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# to use the `brew` command).
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#
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# With Homebrew installed and available, the script finishes by installing the `gcc` Homebrew package which is a very common dependency.
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ensureHomebrew() {
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loadHomebrew
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ensurePackageManagerHomebrew
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loadHomebrew
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ensureGcc
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}
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ensureHomebrew
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