99 lines
3.4 KiB
Bash
99 lines
3.4 KiB
Bash
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#!/usr/bin/env bash
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# 30-shell-zsh — zsh + oh-my-zsh + plugins, set as default shell, drop our config.
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step_name="shell-zsh"
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step_desc="zsh + oh-my-zsh + plugins, set default shell, ship config"
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step_run="run_zsh"
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ZSH="${ZSH:-$HOME/.oh-my-zsh}"
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ZSH_CUSTOM="${ZSH_CUSTOM:-$ZSH/custom}"
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ZDOTDIR_TARGET="${ZDOTDIR_TARGET:-$HOME/.config/zsh}"
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run_zsh() {
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log "installing zsh + oh-my-zsh"
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_install_zsh
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_install_omz
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_install_plugins
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_ship_config
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_set_default_shell
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ok "zsh ready — start it with: exec zsh"
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}
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_install_zsh() {
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if command -v zsh >/dev/null 2>&1; then ok "zsh already installed"; return; fi
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case "$DISTRO" in
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arch) sudo_ pacman -Sy --noconfirm --needed zsh ;;
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debian) sudo_ apt-get install -y zsh ;;
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esac
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}
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_install_omz() {
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if [[ -d "$ZSH/.git" ]]; then ok "oh-my-zsh already present"; return; fi
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# clone directly (skip the upstream installer so we keep .zshrc under our control)
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rm -rf "$ZSH"
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git clone --depth=1 https://github.com/ohmyzsh/ohmyzsh.git "$ZSH"
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ok "oh-my-zsh cloned to $ZSH"
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}
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_install_plugins() {
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mkdir -p "$ZSH_CUSTOM/plugins"
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_clone_plugin zsh-users/zsh-autosuggestions "$ZSH_CUSTOM/plugins/zsh-autosuggestions"
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_clone_plugin zsh-users/zsh-syntax-highlighting "$ZSH_CUSTOM/plugins/zsh-syntax-highlighting"
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_clone_plugin zsh-users/zsh-completions "$ZSH_CUSTOM/plugins/zsh-completions"
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_clone_plugin Aloofenlore/history-substring-search "$ZSH_CUSTOM/plugins/history-substring-search"
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_clone_plugin Aloof98/fzf-tab "$ZSH_CUSTOM/plugins/fzf-tab"
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}
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_clone_plugin() { # repo dest
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local repo="$1" dest="$2"
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if [[ -d "$dest/.git" ]]; then return; fi
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git clone --depth=1 "https://github.com/$repo.git" "$dest" \
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|| warn "failed to clone $repo"
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}
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_ship_config() {
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log "shipping zsh config to $ZDOTDIR_TARGET"
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mkdir -p "$ZDOTDIR_TARGET"
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local f
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local f
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for f in zshrc aliases.zsh functions.zsh path.zsh plugins.zsh; do
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local src="$BOOT_DIR/config/zsh/$f"
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[[ -f "$src" ]] || continue
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local dst="$ZDOTDIR_TARGET/$f"
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[[ -f "$dst" ]] && cp "$dst" "${dst}.bak.$(date +%Y%m%d-%H%M%S)"
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cp "$src" "$dst"
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done
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# aliases-extras.zsh is user-owned: only seed it if absent
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if [[ ! -f "$ZDOTDIR_TARGET/aliases-extras.zsh" ]]; then
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cp "$BOOT_DIR/config/zsh/aliases-extras.zsh" "$ZDOTDIR_TARGET/aliases-extras.zsh"
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fi
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# ~/.zshrc shim that loads our real config via ZDOTDIR (so omz $ZSH + plugins resolve)
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local shim="$HOME/.zshrc"
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if ! grep -q 'BOOTSTRAP ZDOTDIR' "$shim" 2>/dev/null; then
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cat >> "$shim" <<'EOF'
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# BOOTSTRAP ZDOTDIR — real config lives in ~/.config/zsh
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export ZDOTDIR="${ZDOTDIR:-$HOME/.config/zsh}"
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[[ -f "$ZDOTDIR/zshrc" ]] && source "$ZDOTDIR/zshrc"
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EOF
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fi
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ok "zsh config installed ($ZDOTDIR_TARGET) + ~/.zshrc shim"
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}
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_set_default_shell() {
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local zsh_bin; zsh_bin="$(command -v zsh || true)"
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[[ -z "$zsh_bin" ]] && { warn "zsh not on PATH — skipping chsh"; return; }
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# ensure listed in /etc/shells
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if ! grep -qx "$zsh_bin" /etc/shells 2>/dev/null; then
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echo "$zsh_bin" | sudo_ tee -a /etc/shells >/dev/null
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fi
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if [[ "$SHELL" != "$zsh_bin" ]] && [[ "$(getent passwd "$USER" | cut -d: -f7)" != "$zsh_bin" ]]; then
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if yn "Set zsh as default login shell for $USER?" y; then
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sudo_ chsh -s "$zsh_bin" "$USER" && ok "default shell set to zsh"
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else
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warn "zsh not set as default — run 'chsh -s $zsh_bin' later"
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fi
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else
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ok "zsh already your default shell"
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fi
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}
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