78 lines
3.3 KiB
Text
78 lines
3.3 KiB
Text
### 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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fixHomebrewPermissions
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ensureGcc
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}
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