mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-18 09:23:26 -05:00
Abdessamad Derraz
5a32a42d25
install.py held a local it never read and, since the registry path rules, a loop variable shadowing the platform module, so the py38 ruff gate the installer is held to failed. Both are fixed, and the suite reads the two rules from the syntax tree since CI has no ruff.
108 lines
3.7 KiB
Bash
Executable File
108 lines
3.7 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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# One-line bootstrap and local wrapper. The downloaded installer is accepted
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# only when it matches the SHA-256 embedded in this wrapper.
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INSTALLER=""
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# When sourced from stdin, $0 is the shell name and the working directory is
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# not a trusted location for install.py. Reuse an adjacent installer only for
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# an actual local install.sh invocation.
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case "$0" in
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install.sh|*/install.sh)
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if [ -f "$0" ]; then
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SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
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INSTALLER="$SCRIPT_DIR/install.py"
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fi
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;;
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esac
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TEMP_INSTALLER=""
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TEMP_DIRECTORY=""
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DEFAULT_INSTALL_URL="https://raw.githubusercontent.com/Abdess/retrobios/main/install.py"
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DEFAULT_INSTALL_SHA256="973e116ab59e233cd4fe5ebb77d4973bc06013b22b6388e80d12fa1d61fb0c73"
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MAX_INSTALLER_BYTES=2097152
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cleanup() {
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if [ -n "$TEMP_INSTALLER" ] && [ -f "$TEMP_INSTALLER" ]; then
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rm -f -- "$TEMP_INSTALLER"
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fi
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if [ -n "$TEMP_DIRECTORY" ] && [ -d "$TEMP_DIRECTORY" ]; then
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rmdir -- "$TEMP_DIRECTORY" 2>/dev/null || true
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fi
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}
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trap cleanup EXIT HUP INT TERM
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if [ -z "$INSTALLER" ] || [ ! -f "$INSTALLER" ]; then
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install_url=${RETROBIOS_INSTALL_URL:-$DEFAULT_INSTALL_URL}
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expected=${RETROBIOS_INSTALL_SHA256:-$DEFAULT_INSTALL_SHA256}
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case "$install_url" in
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https://*) ;;
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*) echo "Error: installer URL must use HTTPS." >&2; exit 1 ;;
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esac
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case "$expected" in
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*[!0-9A-Fa-f]*)
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echo "Error: installer SHA-256 must contain exactly 64 hexadecimal characters." >&2
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exit 1
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;;
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esac
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if [ "${#expected}" -ne 64 ]; then
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echo "Error: installer SHA-256 must contain exactly 64 hexadecimal characters." >&2
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exit 1
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fi
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TEMP_DIRECTORY=$(mktemp -d)
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TEMP_INSTALLER="$TEMP_DIRECTORY/install.py"
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if command -v curl >/dev/null 2>&1; then
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curl --fail --location --proto '=https' --tlsv1.2 \
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"$install_url" --output "$TEMP_INSTALLER"
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elif command -v wget >/dev/null 2>&1; then
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wget --https-only --output-document="$TEMP_INSTALLER" "$install_url"
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else
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echo "Error: curl or wget is required to download the installer." >&2
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echo " On Debian or Ubuntu: sudo apt install curl" >&2
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exit 1
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fi
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actual_size=$(wc -c < "$TEMP_INSTALLER" | tr -d ' ')
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if [ "$actual_size" -gt "$MAX_INSTALLER_BYTES" ]; then
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echo "Error: downloaded installer exceeds the size limit." >&2
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exit 1
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fi
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if command -v sha256sum >/dev/null 2>&1; then
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actual=$(sha256sum "$TEMP_INSTALLER" | awk '{print $1}')
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elif command -v shasum >/dev/null 2>&1; then
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actual=$(shasum -a 256 "$TEMP_INSTALLER" | awk '{print $1}')
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else
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echo "Error: sha256sum or shasum is required." >&2
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exit 1
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fi
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expected=$(printf '%s' "$expected" | tr '[:upper:]' '[:lower:]')
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if [ "$actual" != "$expected" ]; then
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echo "Error: the downloaded installer does not match its expected fingerprint." >&2
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echo " Nothing was run and nothing was written." >&2
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echo " The download was most likely cut short. Try again, on another network if possible." >&2
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exit 1
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fi
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INSTALLER="$TEMP_INSTALLER"
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fi
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PYTHON=""
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for command_name in python3 python; do
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if command -v "$command_name" >/dev/null 2>&1 \
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&& "$command_name" -c 'import sys; raise SystemExit(sys.version_info < (3, 8))' 2>/dev/null; then
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PYTHON=$command_name
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break
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fi
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done
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if [ -z "$PYTHON" ]; then
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echo "Error: Python 3.8 or newer is required." >&2
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echo " Install it, then run this command again. On Debian or Ubuntu: sudo apt install python3" >&2
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exit 1
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fi
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# Piped from curl, standard input is this script, not the terminal: the
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# installer would skip every question it can ask. Hand it the terminal when
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# there is one.
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if [ ! -t 0 ] && (: </dev/tty) 2>/dev/null; then
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"$PYTHON" "$INSTALLER" "$@" </dev/tty
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else
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"$PYTHON" "$INSTALLER" "$@"
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fi
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