1#!/usr/bin/env bash
2set -euo pipefail
3 
4MODE="auto"
5CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/install-antigravity-arch-linux"
6 
7usage() {
8  cat <<'EOF'
9Usage:
10  install_antigravity_arch.sh --system
11  install_antigravity_arch.sh --local
12 
13Options:
14  --system   Install Antigravity system-wide with yay or paru.
15  --local    Build and install Antigravity under ~/.local without sudo.
16  --help     Show this help.
17EOF
18}
19 
20die() {
21  printf 'Error: %s\n' "$*" >&2
22  exit 1
23}
24 
25need_cmd() {
26  command -v "$1" >/dev/null 2>&1 || die "Missing required command: $1"
27}
28 
29detect_arch() {
30  [[ -r /etc/os-release ]] || die "Cannot read /etc/os-release"
31  . /etc/os-release
32  [[ "${ID:-}" == "arch" || "${ID_LIKE:-}" == *arch* ]] || die "This skill only supports Arch Linux and Arch-based distros"
33}
34 
35pick_helper() {
36  if command -v yay >/dev/null 2>&1; then
37    printf 'yay\n'
38    return 0
39  fi
40  if command -v paru >/dev/null 2>&1; then
41    printf 'paru\n'
42    return 0
43  fi
44  return 1
45}
46 
47system_install() {
48  local helper
49  helper="$(pick_helper)" || die "System install requires yay or paru"
50 
51  printf 'Using %s for system-wide install.\n' "$helper"
52  "$helper" -S --noconfirm --needed antigravity
53  printf '\nDone.\n'
54  printf 'Validation:\n'
55  printf '  which antigravity\n'
56  printf '  antigravity --version\n'
57}
58 
59extract_pkg_field() {
60  local field="$1"
61  awk -F= -v key="$field" '$1 == key {gsub(/'\''|"/, "", $2); print $2; exit}' PKGBUILD
62}
63 
64local_install() {
65  local work_dir pkgver pkgfile stage_dir target_dir local_bin icon_src mime_src
66 
67  need_cmd curl
68  need_cmd tar
69  need_cmd bsdtar
70  need_cmd makepkg
71  need_cmd install
72  need_cmd awk
73  need_cmd sed
74 
75  mkdir -p "$CACHE_DIR"
76  work_dir="$CACHE_DIR/build"
77  rm -rf "$work_dir"
78  mkdir -p "$work_dir"
79 
80  printf 'Downloading AUR snapshot...\n'
81  curl -L --fail --output "$CACHE_DIR/antigravity.tar.gz" \
82    https://aur.archlinux.org/cgit/aur.git/snapshot/antigravity.tar.gz
83 
84  tar -xzf "$CACHE_DIR/antigravity.tar.gz" -C "$work_dir"
85  cd "$work_dir/antigravity"
86 
87  printf 'Building package as current user...\n'
88  makepkg -f --noconfirm
89 
90  pkgver="$(extract_pkg_field pkgver)"
91  pkgfile="$(find . -maxdepth 1 -type f -name 'antigravity-*.pkg.tar.*' | sort | tail -n1)"
92  [[ -n "$pkgfile" ]] || die "Built package not found"
93 
94  stage_dir="$work_dir/stage"
95  mkdir -p "$stage_dir"
96  bsdtar -xf "$pkgfile" -C "$stage_dir"
97 
98  target_dir="$HOME/.local/opt/Antigravity-$pkgver"
99  local_bin="$HOME/.local/bin"
100  mkdir -p "$HOME/.local/opt" "$local_bin" "$HOME/.local/share/applications" \
101    "$HOME/.local/share/pixmaps" "$HOME/.local/share/mime/packages"
102 
103  rm -rf "$target_dir"
104  mkdir -p "$target_dir"
105  cp -a "$stage_dir/opt/Antigravity/." "$target_dir/"
106 
107  install -m755 /dev/stdin "$local_bin/antigravity" <<EOF
108#!/usr/bin/env bash
109set -euo pipefail
110exec "$target_dir/bin/antigravity" "\$@"
111EOF
112 
113  icon_src="$stage_dir/usr/share/pixmaps/antigravity.png"
114  if [[ -f "$icon_src" ]]; then
115    install -m644 "$icon_src" "$HOME/.local/share/pixmaps/antigravity.png"
116  fi
117 
118  install -m644 /dev/stdin "$HOME/.local/share/applications/antigravity.desktop" <<EOF
119[Desktop Entry]
120Name=Antigravity
121Comment=Experience liftoff
122GenericName=Text Editor
123Exec=$HOME/.local/bin/antigravity %F
124Icon=$HOME/.local/share/pixmaps/antigravity.png
125Type=Application
126StartupNotify=false
127StartupWMClass=Antigravity
128Categories=TextEditor;Development;IDE;
129MimeType=application/x-antigravity-workspace;
130Actions=new-empty-window;
131Keywords=vscode;
132 
133[Desktop Action new-empty-window]
134Name=New Empty Window
135Exec=$HOME/.local/bin/antigravity --new-window %F
136Icon=$HOME/.local/share/pixmaps/antigravity.png
137EOF
138 
139  install -m644 /dev/stdin "$HOME/.local/share/applications/antigravity-url-handler.desktop" <<EOF
140[Desktop Entry]
141Name=Antigravity - URL Handler
142Comment=Experience liftoff
143GenericName=Text Editor
144Exec=$HOME/.local/bin/antigravity --open-url %U
145Icon=$HOME/.local/share/pixmaps/antigravity.png
146Type=Application
147NoDisplay=true
148StartupNotify=true
149Categories=Utility;TextEditor;Development;IDE;
150MimeType=x-scheme-handler/antigravity;
151Keywords=vscode;
152EOF
153 
154  mime_src="$stage_dir/usr/share/mime/packages/antigravity-workspace.xml"
155  if [[ -f "$mime_src" ]]; then
156    install -m644 "$mime_src" "$HOME/.local/share/mime/packages/antigravity-workspace.xml"
157  fi
158 
159  if command -v update-desktop-database >/dev/null 2>&1; then
160    update-desktop-database "$HOME/.local/share/applications" || true
161  fi
162 
163  if command -v update-mime-database >/dev/null 2>&1; then
164    update-mime-database "$HOME/.local/share/mime" || true
165  fi
166 
167  printf '\nDone.\n'
168  printf 'Local install path: %s\n' "$target_dir"
169  printf 'Binary wrapper: %s\n' "$HOME/.local/bin/antigravity"
170  printf 'Validation:\n'
171  printf '  which antigravity\n'
172  printf '  antigravity --version\n'
173}
174 
175while [[ $# -gt 0 ]]; do
176  case "$1" in
177    --system)
178      MODE="system"
179      ;;
180    --local)
181      MODE="local"
182      ;;
183    --help|-h)
184      usage
185      exit 0
186      ;;
187    *)
188      die "Unknown argument: $1"
189      ;;
190  esac
191  shift
192done
193 
194detect_arch
195 
196case "$MODE" in
197  system)
198    system_install
199    ;;
200  local)
201    local_install
202    ;;
203  auto)
204    die "Choose exactly one install mode: --system or --local"
205    ;;
206esac
207