Created
October 10, 2025 13:30
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| #!/usr/bin/env bash | |
| # --- UPDATE GE PROTON --- | |
| set -euo pipefail | |
| # --- CONFIG --- | |
| GITHUB_API_URL="https://api.github.com/repos/GloriousEggroll/proton-ge-custom/releases/latest" | |
| COMPAT_DIR_NAME="compatibilitytools.d" | |
| STEAM_NATIVE_DIR="$HOME/.steam/root" | |
| STEAM_FLATPAK_DIR="$HOME/.var/app/com.valvesoftware.Steam/data/Steam" | |
| # --- DEPENDENCY CHECK --- | |
| if ! command -v jq >/dev/null 2>&1; then | |
| echo "Error: jq is required but not installed." | |
| echo "On Debian/Ubuntu, install it with: sudo apt install jq" | |
| echo "On Fedora: sudo dnf install jq" | |
| exit 1 | |
| fi | |
| # --- DETERMINE INSTALL DIR (PREFER NATIVE) --- | |
| if [[ -d "$STEAM_NATIVE_DIR" ]]; then | |
| INSTALL_DIR="$STEAM_NATIVE_DIR/$COMPAT_DIR_NAME" | |
| elif [[ -d "$STEAM_FLATPAK_DIR" ]]; then | |
| INSTALL_DIR="$STEAM_FLATPAK_DIR/$COMPAT_DIR_NAME" | |
| else | |
| echo "steam not installed or installation not supported" | |
| echo "folders searched:" | |
| echo "- $STEAM_NATIVE_DIR/$COMPAT_DIR_NAME" | |
| echo "- $STEAM_FLATPAK_DIR/$COMPAT_DIR_NAME" | |
| exit 1 | |
| fi | |
| mkdir -p "$INSTALL_DIR" | |
| # --- TEMP WORKSPACE WITH AUTOMATIC CLEANUP --- | |
| TMPDIR="$(mktemp -d -t proton-ge-XXXXXX)" | |
| cleanup() { rm -rf "$TMPDIR"; } | |
| trap cleanup EXIT | |
| # --- FETCH LATEST RELEASE JSON --- | |
| latest_json="$(curl -fsSL --retry 3 --retry-delay 2 "$GITHUB_API_URL")" | |
| # --- EXTRACT FIELDS WITH JQ --- | |
| version="$(printf '%s' "$latest_json" | jq -r '.tag_name')" | |
| tar_url="$(printf '%s' "$latest_json" | jq -r '.assets[] | select(.name|endswith(".tar.gz")) | .browser_download_url' | head -n1)" | |
| sha_url="$(printf '%s' "$latest_json" | jq -r '.assets[] | select(.name|endswith(".sha512sum")) | .browser_download_url' | head -n1)" | |
| release_body="$(printf '%s' "$latest_json" | jq -r '.body // ""')" | |
| if [[ -z "$version" || -z "$tar_url" || -z "$sha_url" ]]; then | |
| echo "Failed to determine version or asset URLs from GitHub API." | |
| exit 1 | |
| fi | |
| # --- IF ALREADY INSTALLED, EXIT --- | |
| if [[ -d "$INSTALL_DIR/$version" ]]; then | |
| echo "latest version $version already installed" | |
| exit 0 | |
| fi | |
| echo "installing version $version" | |
| cd "$TMPDIR" | |
| # --- DOWNLOAD TARBALL + CHECKSUM --- | |
| curl -fL --retry 3 --retry-delay 2 -O "$tar_url" & | |
| curl -fL --retry 3 --retry-delay 2 -O "$sha_url" & | |
| wait || { | |
| echo "Download failed" | |
| exit 1 | |
| } | |
| # --- DETERMINE FILENAMES --- | |
| tar_file="$(basename "$tar_url")" | |
| sha_file="$(basename "$sha_url")" | |
| if [[ ! -s "$tar_file" || ! -s "$sha_file" ]]; then | |
| echo "Download failed or files are empty." | |
| ls -l | |
| exit 1 | |
| fi | |
| # --- VERIFY CHECKSUM --- | |
| grep " $tar_file\$" "$sha_file" > "$sha_file.filtered" || { | |
| echo "Checksum file does not contain entry for $tar_file" | |
| exit 1 | |
| } | |
| sha512sum -c "$sha_file.filtered" | |
| # --- EXTRACT INTO INSTALL DIR --- | |
| tar -xzf "$tar_file" -C "$INSTALL_DIR" | |
| # --- WRITE RELEASE NOTES --- | |
| notes_dir="$INSTALL_DIR/$version" | |
| mkdir -p "$notes_dir" | |
| printf '%s\n' "$release_body" > "$notes_dir/release_note.txt" | |
| echo "version $version installed" |
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