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| 1 | +#!/bin/bash |
| 2 | +# SPDX-License-Identifier: GPL-3.0-only |
| 3 | +# Copyright (c) 2026 Marcus Krueger |
| 4 | +# Installs zsh completion stack: fzf, carapace, zsh-autosuggestions, |
| 5 | +# zsh-syntax-highlighting, fzf-tab. Sets zsh as default shell. |
| 6 | +set -euo pipefail |
| 7 | + |
| 8 | +VERSION="${VERSION:-latest}" |
| 9 | +USERNAME="${USERNAME:-automatic}" |
| 10 | + |
| 11 | +# Skip installation if version is "none" |
| 12 | +if [ "${VERSION}" = "none" ]; then |
| 13 | + echo "[zsh-completions] Skipping installation (version=none)" |
| 14 | + exit 0 |
| 15 | +fi |
| 16 | + |
| 17 | +# Resolve username |
| 18 | +if [ "${USERNAME}" = "automatic" ] || [ "${USERNAME}" = "auto" ]; then |
| 19 | + if [ -n "${_REMOTE_USER:-}" ]; then |
| 20 | + USERNAME="${_REMOTE_USER}" |
| 21 | + elif [ -n "${_CONTAINER_USER:-}" ]; then |
| 22 | + USERNAME="${_CONTAINER_USER}" |
| 23 | + else |
| 24 | + USERNAME="vscode" |
| 25 | + fi |
| 26 | +fi |
| 27 | + |
| 28 | +USER_HOME=$(eval echo "~${USERNAME}") |
| 29 | +ZSH_CUSTOM="${USER_HOME}/.oh-my-zsh/custom" |
| 30 | + |
| 31 | +echo "[zsh-completions] Installing completion stack for user: ${USERNAME}" |
| 32 | + |
| 33 | +# ── Install fzf via apt ─────────────────────────────────────────── |
| 34 | +echo "[zsh-completions] Installing fzf..." |
| 35 | +apt-get update -y |
| 36 | +apt-get install -y fzf |
| 37 | + |
| 38 | +# ── Install carapace from GitHub releases ───────────────────────── |
| 39 | +echo "[zsh-completions] Installing carapace..." |
| 40 | +CARAPACE_INSTALLED=false |
| 41 | + |
| 42 | +# Try GitHub releases .deb (most reliable) |
| 43 | +CARAPACE_VERSION=$(curl -fsSL https://api.github.com/repos/carapace-sh/carapace-bin/releases/latest 2>/dev/null | grep '"tag_name"' | sed 's/.*"v\(.*\)".*/\1/') |
| 44 | +if [ -n "$CARAPACE_VERSION" ]; then |
| 45 | + CARAPACE_DEB_URL="https://github.com/carapace-sh/carapace-bin/releases/download/v${CARAPACE_VERSION}/carapace-bin_${CARAPACE_VERSION}_linux_amd64.deb" |
| 46 | + if curl -fsSL "$CARAPACE_DEB_URL" -o /tmp/carapace.deb; then |
| 47 | + dpkg -i /tmp/carapace.deb |
| 48 | + rm -f /tmp/carapace.deb |
| 49 | + CARAPACE_INSTALLED=true |
| 50 | + echo "[zsh-completions] carapace ${CARAPACE_VERSION} installed via .deb" |
| 51 | + fi |
| 52 | +fi |
| 53 | + |
| 54 | +# Fallback: tarball extract |
| 55 | +if [ "$CARAPACE_INSTALLED" = false ] && [ -n "$CARAPACE_VERSION" ]; then |
| 56 | + CARAPACE_TAR_URL="https://github.com/carapace-sh/carapace-bin/releases/download/v${CARAPACE_VERSION}/carapace-bin_${CARAPACE_VERSION}_linux_amd64.tar.gz" |
| 57 | + if curl -fsSL "$CARAPACE_TAR_URL" -o /tmp/carapace.tar.gz; then |
| 58 | + tar xzf /tmp/carapace.tar.gz -C /usr/local/bin carapace |
| 59 | + rm -f /tmp/carapace.tar.gz |
| 60 | + CARAPACE_INSTALLED=true |
| 61 | + echo "[zsh-completions] carapace ${CARAPACE_VERSION} installed via tarball" |
| 62 | + fi |
| 63 | +fi |
| 64 | + |
| 65 | +if [ "$CARAPACE_INSTALLED" = false ]; then |
| 66 | + echo "[zsh-completions] WARNING: carapace install failed — completions will degrade gracefully" |
| 67 | +fi |
| 68 | + |
| 69 | +# ── Clone zsh plugins (shallow, no .git for image size) ─────────── |
| 70 | +echo "[zsh-completions] Installing zsh plugins..." |
| 71 | +mkdir -p "${ZSH_CUSTOM}/plugins" |
| 72 | + |
| 73 | +clone_plugin() { |
| 74 | + local repo="$1" |
| 75 | + local name="$2" |
| 76 | + local target="${ZSH_CUSTOM}/plugins/${name}" |
| 77 | + |
| 78 | + if [ -d "${target}" ]; then |
| 79 | + echo "[zsh-completions] ${name} already present, skipping" |
| 80 | + return 0 |
| 81 | + fi |
| 82 | + |
| 83 | + echo "[zsh-completions] Cloning ${name}..." |
| 84 | + git clone --depth=1 "https://github.com/${repo}.git" "${target}" |
| 85 | + rm -rf "${target}/.git" |
| 86 | +} |
| 87 | + |
| 88 | +clone_plugin "zsh-users/zsh-autosuggestions" "zsh-autosuggestions" |
| 89 | +clone_plugin "zsh-users/zsh-syntax-highlighting" "zsh-syntax-highlighting" |
| 90 | +clone_plugin "Aloxaf/fzf-tab" "fzf-tab" |
| 91 | + |
| 92 | +# ── Fix ownership ──────────────────────────────────────────────── |
| 93 | +chown -R "${USERNAME}:${USERNAME}" "${ZSH_CUSTOM}/plugins/" |
| 94 | + |
| 95 | +# ── Set zsh as default shell ────────────────────────────────────── |
| 96 | +echo "[zsh-completions] Setting default shell to /usr/bin/zsh for ${USERNAME}..." |
| 97 | +chsh -s /usr/bin/zsh "${USERNAME}" |
| 98 | + |
| 99 | +# ── Clean up apt cache ──────────────────────────────────────────── |
| 100 | +apt-get clean |
| 101 | +rm -rf /var/lib/apt/lists/* |
| 102 | + |
| 103 | +echo "[zsh-completions] Installation complete" |
| 104 | +echo " - fzf: $(fzf --version 2>/dev/null || echo 'installed')" |
| 105 | +echo " - carapace: $(carapace --version 2>/dev/null || echo 'not available')" |
| 106 | +echo " - Plugins: zsh-autosuggestions, zsh-syntax-highlighting, fzf-tab" |
| 107 | +echo " - Default shell: /usr/bin/zsh" |
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