78 lines
3.2 KiB
Markdown
78 lines
3.2 KiB
Markdown
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---
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title: Homebrew Install
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description: Installs Homebrew on macOS and / or Linux.
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sidebar_label: Homebrew Install
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slug: /scripts/utility/homebrew.sh
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githubLocation: https://github.com/megabyte-labs/install.doctor/blob/master/scripts/homebrew.sh
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scriptLocation: https://github.com/megabyte-labs/install.doctor/raw/master/scripts/homebrew.sh
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repoLocation: scripts/homebrew.sh
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---
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# Homebrew Install
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Installs Homebrew on macOS and / or Linux.
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## Overview
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This script installs Homebrew on macOS and/or Linux machines. The script:
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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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**Note**: `https://install.doctor/brew` points to this file.
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## Source Code
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```
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#!/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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if ! command -v brew > /dev/null; then
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if [ -d /home/linuxbrew/.linuxbrew/bin ]; then
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eval $(/home/linuxbrew/.linuxbrew/bin/brew shellenv)
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if ! command -v brew > /dev/null; then
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echo "The /home/linuxbrew/.linuxbrew directory exists but something is not right. Try removing it and running the script again." && exit 1
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fi
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else
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# @description Installs Homebrew and addresses a couple potential issues
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if command -v sudo > /dev/null && sudo -n true; then
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echo | /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
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else
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echo "Homebrew is not installed. The script will attempt to install Homebrew and you might be prompted for your password."
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/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" || BREW_EXIT_CODE="$?"
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if [ -n "$BREW_EXIT_CODE" ]; then
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if command -v brew > /dev/null; then
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echo "Homebrew was installed but part of the installation failed. Trying a few things to fix the installation.."
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BREW_DIRS="share/man share/doc share/zsh/site-functions etc/bash_completion.d"
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for BREW_DIR in $BREW_DIRS; do
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if [ -d "$(brew --prefix)/$BREW_DIR" ]; then
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sudo chown -R "$(whoami)" "$(brew --prefix)/$BREW_DIR"
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fi
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done
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brew update --force --quiet
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fi
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fi
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fi
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# @description Ensures the `brew` binary is available on Linux machines. macOS installs `brew` into the default `PATH`
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# so nothing needs to be done for macOS.
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if [ -d /home/linuxbrew/.linuxbrew/bin ]; then
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eval $(/home/linuxbrew/.linuxbrew/bin/brew shellenv)
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fi
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fi
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fi
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```
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