Amended
Changes the filename to make it more fishy.
This commit is contained in:
184
cast.sh
Normal file
184
cast.sh
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@@ -0,0 +1,184 @@
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#!/bin/bash
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set -e
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# 🎯 Detect OS & package manager
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detect_platform() {
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if [[ "$OSTYPE" == "darwin"* ]]; then
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OS="macos"; PKG_MGR="brew"
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if ! command -v brew &>/dev/null; then
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echo "🍺 Installing Homebrew..."
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/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
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echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
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eval "$(/opt/homebrew/bin/brew shellenv)"
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fi
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elif command -v apt &>/dev/null; then
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OS="debian"; PKG_MGR="apt"
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elif command -v dnf &>/dev/null; then
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OS="rhel"; PKG_MGR="dnf"
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elif command -v yum &>/dev/null; then
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OS="rhel"; PKG_MGR="yum"
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elif command -v pacman &>/dev/null; then
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OS="arch"; PKG_MGR="pacman"
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else
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echo "❌ Unsupported platform"; exit 1
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fi
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echo "✓ Detected $OS ($PKG_MGR)"
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}
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# 🔐 Install gpg if needed (Debian/Ubuntu)
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install_gpg_if_needed() {
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if [[ "$OS" == "debian" ]] && ! command -v gpg &>/dev/null; then
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echo "🔑 Installing gpg..."
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sudo apt update && sudo apt install -y gnupg
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fi
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}
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# 📦 Add Fish repo (Debian/Ubuntu)
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add_fish_repo_debian() {
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echo "• Adding Fish repo..."
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echo 'deb http://download.opensuse.org/repositories/shells:/fish:/release:/4/Debian_12/ /' | \
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sudo tee /etc/apt/sources.list.d/fish.list >/dev/null
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curl -fsSL https://download.opensuse.org/repositories/shells:fish:release:4/Debian_12/Release.key | \
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gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/fish.gpg > /dev/null
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sudo apt update
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}
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# 🐟 Install Fish shell
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install_fish() {
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echo "• Installing Fish..."
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case "$OS" in
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debian) add_fish_repo_debian; sudo apt install -y fish ;;
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rhel) sudo $PKG_MGR install -y fish ;;
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arch) sudo pacman -Sy --noconfirm fish ;;
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macos) brew install fish ;;
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esac
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}
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# 🔎 Detect if an update seems available (without doing a refresh)
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fish_update_available() {
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case "$PKG_MGR" in
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apt)
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# Compare Installed vs Candidate using current cache (no apt update)
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local installed candidate
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installed="$(dpkg-query -W -f='${Version}\n' fish 2>/dev/null || true)"
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candidate="$(apt-cache policy fish 2>/dev/null | awk '/Candidate:/ {print $2}')"
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[[ -n "$installed" && -n "$candidate" && "$candidate" != "(none)" && "$candidate" != "$installed" ]]
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;;
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dnf|yum)
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# Fast check; may contact repos briefly but doesn't install
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$PKG_MGR -q check-update fish >/dev/null 2>&1
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[[ $? -eq 100 ]] # 100 = updates available
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;;
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pacman)
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# No refresh; just check queued upgrades
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pacman -Qu 2>/dev/null | grep -q '^fish '
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;;
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brew)
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# No brew update; check current outdated list
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brew outdated --quiet 2>/dev/null | grep -q '^fish$'
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;;
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esac
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}
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# ♻️ Update flow (only prompt if an update looks available)
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maybe_update_fish() {
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echo "• Checking Fish updates…"
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if fish_update_available; then
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read -rp "A newer Fish appears available. Refresh repos and update now? (y/N): " confirm
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if [[ "$confirm" =~ ^[Yy]$ ]]; then
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case "$PKG_MGR" in
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apt)
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sudo apt update
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sudo apt install -y fish && echo "✓ Fish updated"
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;;
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dnf|yum)
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sudo $PKG_MGR check-update || true
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sudo $PKG_MGR update -y fish && echo "✓ Fish updated"
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;;
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pacman)
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sudo pacman -Sy --noconfirm
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sudo pacman -S --noconfirm fish && echo "✓ Fish updated"
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;;
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brew)
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brew update
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brew upgrade fish && echo "✓ Fish updated"
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;;
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esac
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else
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echo "✓ Skipped update"
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fi
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else
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echo "✓ No update detected (based on current cache)"
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fi
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}
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# 🎣 Install Fisher
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install_fisher() {
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if fish -c "functions -q fisher" &>/dev/null; then
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echo "✓ Fisher already present"
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else
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echo "• Installing Fisher..."
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# isolate stdin so curl|bash doesnt leak into fish
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fish -c 'curl -sL https://git.io/fisher | source && fisher install jorgebucaran/fisher' </dev/null
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fi
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}
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# 🧩 Install plugins (idempotent)
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install_plugins() {
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local plugins=( jethrokuan/z ilancosman/tide jorgebucaran/nvm.fish )
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local install_list=()
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local installed
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installed="$(fish -c 'fisher list' </dev/null 2>/dev/null || true)"
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for p in "${plugins[@]}"; do
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if ! grep -Fxq "$p" <<<"$installed"; then
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install_list+=("$p")
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fi
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done
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if [[ ${#install_list[@]} -gt 0 ]]; then
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echo "• Installing plugins: ${install_list[*]}"
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fish -c "fisher install ${install_list[*]}" </dev/null
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echo "✓ Plugins installed"
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else
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echo "✓ All requested plugins already installed"
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fi
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}
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# 🐚 Ask to set Fish as default shell (only if not already)
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set_fish_default() {
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local fish_path current_shell
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fish_path="$(command -v fish)"
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current_shell="$(getent passwd "$USER" | cut -d: -f7)"
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if [[ "$current_shell" == "$fish_path" ]]; then
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echo "✓ Fish is already your default shell"
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return
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fi
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read -rp "Set Fish as your default shell? (y/N): " confirm
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if [[ "$confirm" =~ ^[Yy]$ ]]; then
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if ! grep -q "^$fish_path$" /etc/shells; then
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echo "$fish_path" | sudo tee -a /etc/shells >/dev/null
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fi
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chsh -s "$fish_path"
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echo "✓ Fish set as default shell (applies to new sessions)"
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else
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echo "✓ Keeping current default shell"
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fi
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}
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# 🚀 Main flow
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detect_platform
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install_gpg_if_needed
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if command -v fish &>/dev/null; then
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echo "✓ Fish already installed"
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maybe_update_fish
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else
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install_fish
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fi
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install_fisher
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install_plugins
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set_fish_default
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echo "✓ Fish + Fisher + plugins ready on $OS"
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