129 lines
4 KiB
Bash
Executable file
129 lines
4 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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if [[ $# -lt 2 ]]; then
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echo "Usage: $0 <dmg-path> <tag> [output-path]" >&2
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exit 1
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fi
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DMG_PATH="$1"
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TAG="$2"
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OUT_PATH="${3:-appcast.xml}"
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if [[ -z "${SPARKLE_PRIVATE_KEY:-}" ]]; then
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echo "SPARKLE_PRIVATE_KEY is required (exported from Sparkle generate_keys)." >&2
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exit 1
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fi
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SPARKLE_VERSION="${SPARKLE_VERSION:-2.8.1}"
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DOWNLOAD_URL_PREFIX="${DOWNLOAD_URL_PREFIX:-https://github.com/manaflow-ai/cmux/releases/download/$TAG/}"
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RELEASE_NOTES_URL="${RELEASE_NOTES_URL:-https://github.com/manaflow-ai/cmux/releases/tag/$TAG}"
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work_dir="$(mktemp -d)"
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cleanup() {
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rm -rf "$work_dir"
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}
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trap cleanup EXIT
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echo "Cloning Sparkle ${SPARKLE_VERSION}..."
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git clone --depth 1 --branch "$SPARKLE_VERSION" https://github.com/sparkle-project/Sparkle "$work_dir/Sparkle"
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echo "Building Sparkle generate_appcast tool..."
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xcodebuild \
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-project "$work_dir/Sparkle/Sparkle.xcodeproj" \
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-scheme generate_appcast \
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-configuration Release \
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-derivedDataPath "$work_dir/build" \
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CODE_SIGNING_ALLOWED=NO \
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build >/dev/null
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echo "Building Sparkle sign_update tool..."
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xcodebuild \
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-project "$work_dir/Sparkle/Sparkle.xcodeproj" \
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-scheme sign_update \
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-configuration Release \
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-derivedDataPath "$work_dir/build" \
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CODE_SIGNING_ALLOWED=NO \
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build >/dev/null
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generate_appcast="$work_dir/build/Build/Products/Release/generate_appcast"
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sign_update="$work_dir/build/Build/Products/Release/sign_update"
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if [[ ! -x "$generate_appcast" ]]; then
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echo "generate_appcast binary not found at $generate_appcast" >&2
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exit 1
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fi
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if [[ ! -x "$sign_update" ]]; then
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echo "sign_update binary not found at $sign_update" >&2
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exit 1
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fi
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archives_dir="$work_dir/archives"
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mkdir -p "$archives_dir"
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cp "$DMG_PATH" "$archives_dir/$(basename "$DMG_PATH")"
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key_file="$work_dir/sparkle_ed_key"
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# Ensure base64 padding (keys may be stored without trailing '=')
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padded_key="$SPARKLE_PRIVATE_KEY"
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while (( ${#padded_key} % 4 != 0 )); do
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padded_key="${padded_key}="
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done
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printf "%s" "$padded_key" > "$key_file"
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generated_appcast_path="$archives_dir/$(basename "$OUT_PATH")"
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"$generate_appcast" \
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--ed-key-file "$key_file" \
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--download-url-prefix "$DOWNLOAD_URL_PREFIX" \
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--full-release-notes-url "$RELEASE_NOTES_URL" \
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"$archives_dir"
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if [[ ! -f "$generated_appcast_path" ]]; then
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fallback_generated_appcast="$(find "$archives_dir" -maxdepth 1 -name '*.xml' | head -n 1)"
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if [[ -n "$fallback_generated_appcast" ]]; then
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generated_appcast_path="$fallback_generated_appcast"
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fi
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fi
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if [[ ! -f "$generated_appcast_path" ]]; then
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echo "Expected appcast was not generated." >&2
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exit 1
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fi
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# Check if generate_appcast added the edSignature. If not, use sign_update
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# to sign the DMG and inject the signature. generate_appcast silently skips
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# signing when the public key derived from the private key doesn't match the
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# SUPublicEDKey in the app's Info.plist.
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if ! grep -q 'sparkle:edSignature' "$generated_appcast_path"; then
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echo "Warning: generate_appcast did not add edSignature. Using sign_update fallback..."
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SIGNATURE=$("$sign_update" -p --ed-key-file "$key_file" "$DMG_PATH")
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DMG_LENGTH=$(stat -f%z "$DMG_PATH")
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echo " EdDSA signature: ${SIGNATURE:0:20}..."
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echo " DMG length: $DMG_LENGTH"
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# Inject sparkle:edSignature and correct length into the enclosure element
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python3 -c "
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import sys
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xml = open('$generated_appcast_path').read()
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sig = '$SIGNATURE'
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length = '$DMG_LENGTH'
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# Add edSignature to enclosure
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xml = xml.replace(
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'type=\"application/octet-stream\"',
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'sparkle:edSignature=\"' + sig + '\" length=\"' + length + '\" type=\"application/octet-stream\"'
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)
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open('$generated_appcast_path', 'w').write(xml)
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print(' Injected edSignature into appcast.xml')
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"
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fi
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cp "$generated_appcast_path" "$OUT_PATH"
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echo "Generated appcast at $OUT_PATH"
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# Verify the appcast has a signature
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if grep -q 'sparkle:edSignature' "$OUT_PATH"; then
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echo "Verified: appcast contains sparkle:edSignature"
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else
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echo "ERROR: appcast is missing sparkle:edSignature!" >&2
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exit 1
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fi
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