[termux-setup] add initial base to replace shizuku with termux-api

This commit is contained in:
Luis Guzmán 2026-01-04 15:55:39 -06:00
parent ae14a0d3cd
commit ee7e8af9a0
1 changed files with 435 additions and 0 deletions

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#!/data/data/com.termux/files/usr/bin/bash
set -euo pipefail
# IIAB on Android - Termux bootstrap (standalone)
#
# Requirements:
# - Termux installed
# - Network connectivity
# - Shizuku + rish (Android 12/13 only) to raise Phantom Process Killer (PPK) limit
#
# Default behavior (idempotent):
# - One-time Termux repo mirror selection (prompted once; no TTY checks)
# - Acquire wakelock when possible (Termux:API)
# - Prepare Termux baseline packages (noninteractive, avoids dpkg conffile prompts)
# - Ensure proot-distro + Debian exists (install by default)
# - Last step: On Android 12/13 only, re-apply PPK fix via rish (if available)
# - Self-check summary at the end
#
# Flags:
# - --ppk-only Run only PPK fix + self-check
# - --reset-debian Reset (reinstall) Debian (clean environment), then proceed normally
# - --cleanup-rish-export After installing rish into PATH, delete ~/rish and ~/rish*.dex (off by default)
RED="\033[31m"
YEL="\033[33m"
GRN="\033[32m"
BLU="\033[34m"
RST="\033[0m"
BOLD="\033[1m"
log() { printf "${BLU}[iiab]${RST} %s\n" "$*"; }
ok() { printf "${GRN}[iiab]${RST} %s\n" "$*"; }
warn() { printf "${YEL}[iiab] WARNING:${RST} %s\n" "$*" >&2; }
warn_red() { printf "${RED}${BOLD}[iiab] WARNING:${RST} %s\n" "$*" >&2; }
have() { command -v "$1" >/dev/null 2>&1; }
STATE_DIR="${HOME}/.iiab-android"
mkdir -p "$STATE_DIR"
PPK_ONLY=0
RESET_DEBIAN=0
CLEANUP_RISH_EXPORT=0
for arg in "$@"; do
case "$arg" in
--ppk-only) PPK_ONLY=1 ;;
--reset-debian|--clean-debian) RESET_DEBIAN=1 ;;
--cleanup-rish-export) CLEANUP_RISH_EXPORT=1 ;;
-h|--help)
cat <<'EOF'
Usage:
./0_termux-setup.sh
Default run (idempotent): Termux baseline + Debian bootstrap + PPK fix (Android 12/13) + self-check
./0_termux-setup.sh --ppk-only
Run ONLY the last step: PPK fix (Android 12/13) + self-check
./0_termux-setup.sh --reset-debian
Reset (reinstall) Debian in proot-distro (clean environment), then proceed normally
./0_termux-setup.sh --cleanup-rish-export
After installing rish into PATH, delete ~/rish and ~/rish*.dex (off by default)
Notes:
- This script will NOT delete rish exports unless --cleanup-rish-export is used.
- PPK fix is re-applied to 256 on every run (Android 12/13) when possible.
- Repo selection is prompted once (skipped for --ppk-only).
EOF
exit 0
;;
esac
done
get_android_sdk() { getprop ro.build.version.sdk 2>/dev/null || true; }
get_android_release() { getprop ro.build.version.release 2>/dev/null || true; }
ANDROID_SDK="$(get_android_sdk)"
ANDROID_REL="$(get_android_release)"
# Avoid dpkg conffile prompts (Termux layer)
TERMUX_APT_OPTS=(
"-y"
"-o" "Dpkg::Options::=--force-confdef"
"-o" "Dpkg::Options::=--force-confold"
)
termux_apt() { apt-get "${TERMUX_APT_OPTS[@]}" "$@"; }
# -------------------------
# Wakelock (Termux:API)
# -------------------------
WAKELOCK_HELD=0
acquire_wakelock() {
# This helps prevent the device from sleeping during long installs.
if have termux-wake-lock; then
termux-wake-lock || true
WAKELOCK_HELD=1
ok "Wakelock acquired (termux-wake-lock)."
else
warn "termux-wake-lock not available. (Install Termux:API: pkg install termux-api + Termux:API app.)"
fi
}
release_wakelock() {
if [[ "$WAKELOCK_HELD" -eq 1 ]] && have termux-wake-unlock; then
termux-wake-unlock || true
ok "Wakelock released (termux-wake-unlock)."
fi
}
trap 'release_wakelock' EXIT
# -------------------------
# Step 0: One-time repo selector (no TTY checks)
# -------------------------
step_termux_repo_select_once() {
local stamp="$STATE_DIR/stamp.termux_repo_selected"
if [[ -f "$stamp" ]]; then
return 0
fi
if ! have termux-change-repo; then
warn "termux-change-repo not found; skipping mirror selection."
return 0
fi
# When running via "curl | bash", stdin is not a TTY.
# Try to prompt via /dev/tty if available. If not, skip WITHOUT stamping.
if [[ -r /dev/tty ]]; then
printf "\n${YEL}[iiab] One-time setup:${RST} Select a nearby Termux repository mirror for faster downloads.\n" >&2
local ans="Y"
if ! read -r -p "[iiab] Launch termux-change-repo now? [Y/n]: " ans < /dev/tty; then
warn "No interactive TTY available; skipping mirror selection (run the script directly to be prompted)."
return 0
fi
ans="${ans:-Y}"
if [[ "$ans" =~ ^[Yy]$ ]]; then
termux-change-repo || true
ok "Mirror selection completed (or skipped inside the UI)."
else
warn "Mirror selection skipped by user."
fi
date > "$stamp"
return 0
fi
warn "No /dev/tty available; skipping mirror selection (run the script directly to be prompted)."
return 0
}
# -------------------------
# Step 1: Termux baseline packages (idempotent)
# -------------------------
step_termux_base() {
local stamp="$STATE_DIR/stamp.termux_base"
if [[ -f "$stamp" ]]; then
ok "Termux baseline already prepared (stamp found)."
return 0
fi
log "Updating Termux packages (noninteractive) and installing baseline dependencies..."
export DEBIAN_FRONTEND=noninteractive
termux_apt update || true
termux_apt upgrade || true
termux_apt install \
curl \
ca-certificates \
coreutils \
grep \
sed \
openssh \
proot \
proot-distro || true
ok "Termux baseline ready."
date > "$stamp"
}
# -------------------------
# Debian helpers (robust)
# -------------------------
debian_exists() {
have proot-distro || return 1
proot-distro login debian -- true >/dev/null 2>&1
}
ensure_proot_distro() {
if have proot-distro; then
return 0
fi
warn "proot-distro is not available. Attempting to install it..."
termux_apt install proot-distro || true
have proot-distro
}
proot_install_debian_safe() {
local out rc
set +e
out="$(proot-distro install debian 2>&1)"
rc=$?
set -e
if [[ $rc -eq 0 ]]; then
return 0
fi
if echo "$out" | grep -qi "already installed"; then
warn "Debian is already installed; continuing."
return 0
fi
printf "%s\n" "$out" >&2
return $rc
}
# -------------------------
# Step 2: Ensure Debian exists (default), optionally reset it
# -------------------------
step_debian_bootstrap_default() {
if ! ensure_proot_distro; then
warn "Unable to ensure proot-distro. Skipping Debian bootstrap."
return 0
fi
if [[ "$RESET_DEBIAN" -eq 1 ]]; then
warn "Reset requested: reinstalling Debian (clean environment)..."
# Prefer reset (if available), fallback to remove+install
if proot-distro help 2>/dev/null | grep -qE '\breset\b'; then
proot-distro reset debian
else
if debian_exists; then proot-distro remove debian; fi
proot_install_debian_safe
fi
else
if debian_exists; then
ok "Debian already present in proot-distro. Not reinstalling."
else
log "Installing Debian (proot-distro install debian)..."
proot_install_debian_safe
fi
fi
log "Installing minimal tools inside Debian (noninteractive)..."
proot-distro login debian -- bash -lc '
set -e
export DEBIAN_FRONTEND=noninteractive
apt-get update -y
apt-get -y \
-o Dpkg::Options::=--force-confdef \
-o Dpkg::Options::=--force-confold \
install ca-certificates curl coreutils
' || true
ok "Debian bootstrap complete."
}
# -------------------------
# rish helpers
# -------------------------
android_major_12_to_13() {
case "${ANDROID_SDK:-}" in
31|32) echo "12" ;; # Android 12 / 12L
33) echo "13" ;; # Android 13
*) echo "" ;;
esac
}
rish_export_available_in_home() {
[[ -f "$HOME/rish" ]] && ls -1 "$HOME"/rish*.dex >/dev/null 2>&1
}
install_rish_to_path_if_available() {
if ! rish_export_available_in_home; then
return 1
fi
local dex PREFIX_BIN
dex="$(ls -1 "$HOME"/rish*.dex 2>/dev/null | head -n1 || true)"
PREFIX_BIN="/data/data/com.termux/files/usr/bin"
install -m 0755 "$HOME/rish" "$PREFIX_BIN/rish"
install -m 0644 "$dex" "$PREFIX_BIN/$(basename "$dex")"
# Typical adjustment required by rish
sed -i 's/PKG/com.termux/g' "$PREFIX_BIN/rish" || true
if [[ "$CLEANUP_RISH_EXPORT" -eq 1 ]]; then
warn "Cleanup requested: removing rish exports from HOME (~/rish, ~/rish*.dex)."
rm -f "$HOME/rish" "$HOME"/rish*.dex || true
fi
return 0
}
run_rish() {
local out
out="$(rish -c "$1" 2>&1)" || {
printf "%s\n" "$out"
return 1
}
printf "%s\n" "$out"
return 0
}
# -------------------------
# LAST STEP: Android 12/13 PPK fix via rish
# -------------------------
step_ppk_fix_android_12_13() {
local major rel sdk
major="$(android_major_12_to_13)"
rel="${ANDROID_REL:-?}"
sdk="${ANDROID_SDK:-?}"
if [[ -z "$major" ]]; then
ok "Android release=$rel sdk=$sdk -> PPK fix not applicable (only Android 12/13)."
return 0
fi
log "Android $major (release=$rel sdk=$sdk) -> PPK fix target: max_phantom_processes=256"
if ! have rish; then
install_rish_to_path_if_available || true
fi
if ! have rish; then
warn_red "PPK fix could not be applied: rish is not available."
warn_red "Start Shizuku, then export 'rish' and the matching .dex into Termux (SAF)."
warn_red "Continuing without changing PPK."
return 0
fi
log "Current phantom setting:"
local cur
cur="$(run_rish "dumpsys activity settings | grep -i phantom || true" || true)"
if echo "$cur" | grep -qi "Server is not running"; then
warn_red "Shizuku/rish server is not running (or not authorized)."
warn_red "Open Shizuku -> start the service -> authorize rish, then re-run:"
warn_red " ./0_termux-setup.sh --ppk-only"
return 0
fi
printf "%s\n" "$cur"
local target=256
log "Applying: device_config put activity_manager max_phantom_processes $target"
local apply
apply="$(run_rish "device_config put activity_manager max_phantom_processes $target" || true)"
if echo "$apply" | grep -qi "Server is not running"; then
warn_red "Shizuku/rish server is not running (or not authorized)."
warn_red "Open Shizuku -> start the service -> authorize rish, then re-run:"
warn_red " ./0_termux-setup.sh --ppk-only"
return 0
fi
log "Final phantom setting:"
run_rish "dumpsys activity settings | grep -i phantom || true" || true
ok "PPK fix applied (or re-applied)."
}
# -------------------------
# Self-check summary
# -------------------------
self_check() {
local rel sdk major
rel="${ANDROID_REL:-?}"
sdk="${ANDROID_SDK:-?}"
major="$(android_major_12_to_13)"
log "Self-check summary:"
log " Android release=$rel sdk=$sdk"
if have proot-distro; then
log " proot-distro: present"
log " proot-distro list:"
proot-distro list 2>/dev/null | sed 's/^/ /' || true
if debian_exists; then
ok " Debian: present"
else
warn " Debian: not present"
fi
else
warn " proot-distro: not present"
fi
if rish_export_available_in_home; then
ok " rish export: present in HOME (~/rish, ~/rish*.dex)"
else
warn " rish export: not found in HOME"
fi
if have rish; then
ok " rish: installed in PATH"
log " rish -c id:"
run_rish "id" | sed 's/^/ /' || true
if [[ -n "$major" ]]; then
log " phantom setting (via rish):"
run_rish "dumpsys activity settings | grep -i phantom || true" | sed 's/^/ /' || true
fi
else
warn " rish: not installed in PATH"
fi
}
# -------------------------
# Main
# -------------------------
main() {
acquire_wakelock
step_termux_repo_select_once
step_termux_base
if [[ "$PPK_ONLY" -eq 1 ]]; then
step_ppk_fix_android_12_13
self_check
ok "Done (--ppk-only)."
exit 0
fi
step_debian_bootstrap_default
# IMPORTANT: keep this last so users can re-run it quickly.
step_ppk_fix_android_12_13
self_check
ok "0_termux-setup.sh completed."
log "Tip: re-run only the PPK fix: ./0_termux-setup.sh --ppk-only"
log "Tip: clean Debian environment: ./0_termux-setup.sh --reset-debian"
ok "You can proceed with: proot-distro login debian"
}
main "$@"