Jose Henrique
351631e7b4
- Enable Alpine community repo (vim/fzf live there, commented out by default). - Split essential vs extra packages; extras (htop/neofetch/fzf) install best-effort so a missing neofetch (removed from Alpine 3.20+) does not abort. - Make run() return its command's exit status explicitly so 'if run ...' guards work under 'set -e'.
256 lines
9.3 KiB
Bash
256 lines
9.3 KiB
Bash
#!/bin/sh
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# install.sh - bootstrap dotfiles on a fresh Debian or Alpine host.
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#
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# What it does:
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# 1. Detects the OS and package manager (apt on Debian, apk on Alpine).
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# 2. Installs base tooling (git, curl, zsh, vim) + extras (htop, neofetch, fzf).
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# 3. Installs oh-my-zsh (unattended) and the zsh-autosuggestions plugin.
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# 4. Deploys the server/<host> configs matching this machine's hostname.
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# 5. Installs Vim plugins via Vundle (PluginInstall).
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#
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# Usage:
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# ./install.sh # auto-detect host, deploy matching configs
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# ./install.sh --host vega # force a specific host config
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# ./install.sh --no-zsh # skip oh-my-zsh / shell setup
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# ./install.sh --chsh # change the current user's login shell to zsh
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# ./install.sh --dry-run # show what would happen, change nothing
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#
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# Run this from inside the cloned dotfiles repo (the dir that contains server/).
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# Safe to re-run: every step is idempotent.
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set -eu
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# ----------------------------------------------------------------------------
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# Helpers
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# ----------------------------------------------------------------------------
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DRY_RUN=0
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INSTALL_ZSH=1
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CHSH=0
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FORCE_HOST=""
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info() { printf '\033[0;34m==>\033[0m %s\n' "$1"; }
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ok() { printf '\033[0;32m✔\033[0m %s\n' "$1"; }
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warn() { printf '\033[0;33m!\033[0m %s\n' "$1"; }
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die() { printf '\033[0;31m✘\033[0m %s\n' "$1" >&2; exit 1; }
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run() {
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# Print the command, then run it (unless --dry-run).
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# We capture the exit status explicitly so that a failing command does NOT
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# trip the caller's 'set -e' inside 'if run ... ; then' constructs.
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if [ "$DRY_RUN" -eq 1 ]; then
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printf ' $ %s\n' "$*"
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return 0
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fi
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"$@"
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return $?
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}
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usage() {
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sed -n '2,20p' "$0" | sed 's/^# \{0,1\}//'
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exit 0
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}
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# ----------------------------------------------------------------------------
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# Argument parsing
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# ----------------------------------------------------------------------------
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while [ $# -gt 0 ]; do
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case "$1" in
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--host) FORCE_HOST="$2"; shift 2 ;;
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--no-zsh) INSTALL_ZSH=0; shift ;;
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--chsh) CHSH=1; shift ;;
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--dry-run) DRY_RUN=1; shift ;;
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-h|--help) usage ;;
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*) die "Unknown argument: $1 (try --help)" ;;
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esac
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done
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# ----------------------------------------------------------------------------
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# Locate the repo root (dir that holds this script and server/)
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# ----------------------------------------------------------------------------
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SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
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if [ ! -d "$SCRIPT_DIR/server" ]; then
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die "server/ not found next to this script.
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Clone the dotfiles repo first, then run install.sh from its root:
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git clone git@git.ivanch.me:ivanch/dotfiles.git
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cd dotfiles && ./install.sh"
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fi
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# ----------------------------------------------------------------------------
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# OS / package-manager detection
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# ----------------------------------------------------------------------------
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detect_os() {
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OS_RELEASE_FILE="${OS_RELEASE_FILE:-/etc/os-release}"
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if [ -f "$OS_RELEASE_FILE" ]; then
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. "$OS_RELEASE_FILE"
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OS_ID="$ID"
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else
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OS_ID="$(uname -s)"
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fi
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case "$OS_ID" in
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alpine) PKG="apk"; MGR_UPDATE="apk update"; MGR_ADD="apk add --no-cache" ;;
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debian|ubuntu|raspbian)
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PKG="apt"; MGR_UPDATE="apt-get update"; MGR_ADD="apt-get install -y" ;;
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*) die "Unsupported OS: $OS_ID (only Debian/Ubuntu and Alpine are supported)" ;;
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esac
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info "Detected OS: $OS_ID (package manager: $PKG)"
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}
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# ----------------------------------------------------------------------------
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# Package installation
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# ----------------------------------------------------------------------------
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install_packages() {
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info "Installing base packages"
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ESSENTIAL="git curl zsh vim"
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EXTRA="htop neofetch fzf"
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if [ "$PKG" = "apk" ]; then
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# On Alpine, vim/fzf live in the 'community' repo, which is commented
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# out by default in /etc/apk/repositories. Enable it (idempotent).
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info "Ensuring Alpine community repository is enabled"
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run sed -i -E "s|^#(.*/community)$|\1|" /etc/apk/repositories
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run $MGR_UPDATE
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else
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run $MGR_UPDATE
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fi
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info "Installing essential packages"
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run $MGR_ADD $ESSENTIAL
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# Extras (htop, neofetch, fzf) are best-effort: a missing one must not
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# abort the whole bootstrap (e.g. neofetch was dropped from Alpine 3.20+,
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# and Debian/Ubuntu increasingly ship it as 'neofetch' but sometimes omit it).
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info "Installing extra packages (best-effort)"
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if run $MGR_ADD $EXTRA; then
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ok "Extra packages installed"
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else
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warn "Some extra packages failed to install (non-fatal)."
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fi
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}
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# ----------------------------------------------------------------------------
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# oh-my-zsh + zsh-autosuggestions
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# ----------------------------------------------------------------------------
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install_oh_my_zsh() {
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info "Installing oh-my-zsh"
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if [ -d "$HOME/.oh-my-zsh" ]; then
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ok "oh-my-zsh already present, skipping"
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else
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# --unattended => RUNZSH=no CHSH=no (no prompt, no shell change)
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# Special-cased (not via run()) so --dry-run never hits the network.
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if [ "$DRY_RUN" -eq 1 ]; then
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printf ' $ sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" --unattended\n'
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else
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sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended
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fi
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ok "oh-my-zsh installed"
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fi
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ZSH_CUSTOM_DIR="${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}"
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SUG_DIR="$ZSH_CUSTOM_DIR/plugins/zsh-autosuggestions"
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if [ -d "$SUG_DIR" ]; then
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ok "zsh-autosuggestions already present, skipping"
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else
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info "Installing zsh-autosuggestions plugin"
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run git clone --depth=1 https://github.com/zsh-users/zsh-autosuggestions "$SUG_DIR"
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ok "zsh-autosuggestions installed"
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fi
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}
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# ----------------------------------------------------------------------------
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# Deploy the dotfiles for this host
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# ----------------------------------------------------------------------------
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deploy_dotfiles() {
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HOST_NAME="${FORCE_HOST:-$(hostname 2>/dev/null || uname -n)}"
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HOST_DIR="$SCRIPT_DIR/server/$HOST_NAME"
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if [ ! -d "$HOST_DIR" ]; then
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warn "No server/$HOST_NAME config found."
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if [ -z "$FORCE_HOST" ]; then
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avail=$(cd "$SCRIPT_DIR/server" && ls -1)
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warn "Available hosts: $(echo "$avail" | tr '\n' ' ')"
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warn "Skipping dotfile deploy. Re-run with --host <name> to force one."
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fi
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return 0
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fi
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info "Deploying dotfiles for host: $HOST_NAME"
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# Copy every file/dir from server/<host>/ into $HOME, preserving structure.
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# .zshrc/.vimrc/.bashrc land at $HOME; .config/* is nested.
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for src in "$HOST_DIR"/* "$HOST_DIR"/.[!.]* "$HOST_DIR"/..?*; do
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[ -e "$src" ] || continue
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run cp -Rf "$src" "$HOME/"
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ok "$(basename "$src") -> $HOME/"
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done
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}
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# ----------------------------------------------------------------------------
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# Vim plugins via Vundle
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# ----------------------------------------------------------------------------
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install_vim_plugins() {
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info "Installing Vim plugins (Vundle)"
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if [ ! -f "$HOME/.vimrc" ]; then
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warn "No .vimrc deployed; skipping Vim plugin install."
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return 0
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fi
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VUNDLE_DIR="$HOME/.vim/bundle/Vundle.vim"
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if [ ! -d "$VUNDLE_DIR" ]; then
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info "Cloning Vundle"
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run git clone --depth=1 https://github.com/VundleVim/Vundle.vim.git "$VUNDLE_DIR"
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fi
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info "Running :PluginInstall (idempotent)"
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# Headless, tolerant of the 'dracula' colorscheme-not-found warning at startup.
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if [ "$DRY_RUN" -eq 1 ]; then
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printf ' $ vim +PluginInstall +qall\n'
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else
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vim +PluginInstall +qall >/dev/null 2>&1 || \
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warn "Vim PluginInstall exited non-zero; verify with: vim +PluginInstall +qall"
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fi
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ok "Vim plugins installed"
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}
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# ----------------------------------------------------------------------------
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# Optional: change login shell to zsh
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# ----------------------------------------------------------------------------
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change_shell() {
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if ! command -v zsh >/dev/null 2>&1; then
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warn "zsh not found; cannot change shell."
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return 0
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fi
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if ! command -v chsh >/dev/null 2>&1; then
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warn "chsh not found on this system; set your login shell manually (e.g. in /etc/passwd)."
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return 0
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fi
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ZSH_BIN="$(command -v zsh)"
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cur="$(grep "^$(id -un):" /etc/passwd | cut -d: -f7)"
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if [ "$cur" = "$ZSH_BIN" ]; then
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ok "Login shell already $ZSH_BIN"
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return 0
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fi
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info "Changing login shell to $ZSH_BIN"
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run chsh -s "$ZSH_BIN"
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ok "Login shell set to zsh (re-login to apply)"
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}
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# ----------------------------------------------------------------------------
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# Main
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# ----------------------------------------------------------------------------
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info "Bootstrapping dotfiles from $SCRIPT_DIR"
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[ "$DRY_RUN" -eq 1 ] && warn "DRY RUN - no changes will be made"
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detect_os
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install_packages
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if [ "$INSTALL_ZSH" -eq 1 ]; then
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install_oh_my_zsh
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fi
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deploy_dotfiles
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install_vim_plugins
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if [ "$CHSH" -eq 1 ]; then
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change_shell
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fi
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info "Done. Restart your shell (or re-login) to pick up the new configuration."
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