#!/usr/bin/env bash
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#
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# build-local-macos.sh - Build a locally signed macOS app and DMG for PrivateVoice Dictation.
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#
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# This script intentionally does not notarize. It creates or reuses a stable
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# local Code Signing identity so macOS TCC permissions, such as Accessibility,
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# do not change on every local rebuild the way they do with ad-hoc signing.
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#
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# Usage:
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# cd VoiceSnapGo
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# ./scripts/build-local-macos.sh [arm64|x86_64] [--install]
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#
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set -euo pipefail
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APP_NAME="PrivateVoice Dictation"
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DEFAULT_LOCAL_IDENTITY="PrivateVoice Local Code Signing"
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LEGACY_LOCAL_IDENTITY="VoiceSnap Local Code Signing"
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LOCAL_IDENTITY="${PRIVATEVOICE_LOCAL_SIGN_IDENTITY:-${VOICESNAP_LOCAL_SIGN_IDENTITY:-}}"
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KEYCHAIN="${PRIVATEVOICE_LOCAL_KEYCHAIN:-${VOICESNAP_LOCAL_KEYCHAIN:-$HOME/Library/Keychains/login.keychain-db}}"
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
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INFO_PLIST="$PROJECT_DIR/build/darwin/Info.plist"
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ENTITLEMENTS="$PROJECT_DIR/build/darwin/entitlements.plist"
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GOMODCACHE="$(go env GOMODCACHE)"
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SHERPA_MACOS_MODULE_VERSION="$(cd "$PROJECT_DIR" && go list -m -f '{{.Version}}' github.com/k2-fsa/sherpa-onnx-go-macos)"
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VERSION="$(defaults read "$INFO_PLIST" CFBundleShortVersionString 2>/dev/null || echo "2.1.1")"
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BUILD_ID="$(defaults read "$INFO_PLIST" CFBundleVersion 2>/dev/null || date +%Y%m%d.%H%M)"
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TARGET_ARCH=""
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INSTALL_AFTER_BUILD=0
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step() {
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echo ""
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echo "==> $1"
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}
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fail() {
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echo "ERROR: $1" >&2
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exit 1
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}
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for arg in "$@"; do
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case "$arg" in
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arm64|x86_64|amd64)
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TARGET_ARCH="$arg"
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;;
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--install)
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INSTALL_AFTER_BUILD=1
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;;
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*)
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fail "Unknown argument: $arg"
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;;
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esac
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done
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TARGET_ARCH="${TARGET_ARCH:-$(uname -m)}"
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case "$TARGET_ARCH" in
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arm64)
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GOARCH="arm64"
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SHERPA_ARCH="aarch64-apple-darwin"
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DMG_ARCH="arm64"
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;;
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x86_64|amd64)
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GOARCH="amd64"
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SHERPA_ARCH="x86_64-apple-darwin"
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DMG_ARCH="x86_64"
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;;
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*)
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fail "Unknown architecture: $TARGET_ARCH (use arm64 or x86_64)"
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;;
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esac
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BUILD_DIR="$PROJECT_DIR/build/local/$DMG_ARCH"
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APP_BUNDLE="$BUILD_DIR/$APP_NAME.app"
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DMG_PATH="$BUILD_DIR/$APP_NAME-$VERSION-build$BUILD_ID-$DMG_ARCH-local.dmg"
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COMPAT_DMG_PATH="$BUILD_DIR/$APP_NAME-$VERSION-$DMG_ARCH-local.dmg"
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SHERPA_LIB_DIR="$GOMODCACHE/github.com/k2-fsa/sherpa-onnx-go-macos@$SHERPA_MACOS_MODULE_VERSION/lib/$SHERPA_ARCH"
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ONNXRUNTIME_DYLIB=""
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ONNXRUNTIME_DYLIB_NAME=""
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ensure_local_identity() {
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if [[ -z "$LOCAL_IDENTITY" ]]; then
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if security find-identity -v -p codesigning "$KEYCHAIN" | grep -Fq "$DEFAULT_LOCAL_IDENTITY"; then
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LOCAL_IDENTITY="$DEFAULT_LOCAL_IDENTITY"
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elif security find-identity -v -p codesigning "$KEYCHAIN" | grep -Fq "$LEGACY_LOCAL_IDENTITY"; then
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LOCAL_IDENTITY="$LEGACY_LOCAL_IDENTITY"
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else
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LOCAL_IDENTITY="$DEFAULT_LOCAL_IDENTITY"
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fi
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fi
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if security find-identity -v -p codesigning "$KEYCHAIN" | grep -Fq "$LOCAL_IDENTITY"; then
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echo "Using existing local signing identity: $LOCAL_IDENTITY"
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return
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fi
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step "Creating local signing identity: $LOCAL_IDENTITY"
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local tmpdir
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tmpdir="$(mktemp -d)"
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trap 'rm -rf "${tmpdir:-}"' RETURN
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local conf="$tmpdir/codesign.cnf"
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local key="$tmpdir/codesign.key"
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local csr="$tmpdir/codesign.csr"
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local cert="$tmpdir/codesign.cer"
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local p12="$tmpdir/codesign.p12"
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local pass
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pass="$(uuidgen)"
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cat > "$conf" <<EOF
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[req]
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distinguished_name = dn
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prompt = no
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[dn]
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CN = $LOCAL_IDENTITY
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O = PrivateVoice Local
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[v3_codesign]
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basicConstraints = critical, CA:true
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keyUsage = critical, digitalSignature, keyCertSign
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extendedKeyUsage = codeSigning
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid,issuer
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EOF
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openssl req -new -newkey rsa:2048 -nodes \
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-keyout "$key" \
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-out "$csr" \
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-config "$conf" >/dev/null 2>&1
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openssl x509 -req -days 3650 \
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-in "$csr" \
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-signkey "$key" \
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-out "$cert" \
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-extfile "$conf" \
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-extensions v3_codesign >/dev/null 2>&1
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openssl pkcs12 -export \
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-legacy \
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-inkey "$key" \
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-in "$cert" \
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-out "$p12" \
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-name "$LOCAL_IDENTITY" \
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-passout "pass:$pass" >/dev/null 2>&1
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security import "$p12" \
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-k "$KEYCHAIN" \
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-P "$pass" \
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-A \
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-T /usr/bin/codesign \
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-T /usr/bin/security >/dev/null
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security add-trusted-cert \
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-d \
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-r trustRoot \
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-p codeSign \
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-k "$KEYCHAIN" \
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"$cert" >/dev/null 2>&1 || true
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if ! security find-identity -v -p codesigning "$KEYCHAIN" | grep -Fq "$LOCAL_IDENTITY"; then
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fail "Local signing identity was created but is not available to codesign"
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fi
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trap - RETURN
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rm -rf "$tmpdir"
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}
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sign_item() {
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local item="$1"
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codesign --force \
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--options runtime \
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--timestamp=none \
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--entitlements "$ENTITLEMENTS" \
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--sign "$LOCAL_IDENTITY" \
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"$item"
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}
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step "Preflight checks"
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[[ -f "$INFO_PLIST" ]] || fail "Info.plist not found at $INFO_PLIST"
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[[ -f "$ENTITLEMENTS" ]] || fail "entitlements.plist not found at $ENTITLEMENTS"
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[[ -f "$PROJECT_DIR/build/darwin/icon.icns" ]] || fail "icon.icns not found"
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[[ -d "$SHERPA_LIB_DIR" ]] || fail "sherpa-onnx dylibs not found at $SHERPA_LIB_DIR"
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ONNXRUNTIME_DYLIB="$(find "$SHERPA_LIB_DIR" -maxdepth 1 -type f -name 'libonnxruntime.*.dylib' | sort | tail -n 1)"
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[[ -f "$ONNXRUNTIME_DYLIB" ]] || fail "onnxruntime dylib not found in $SHERPA_LIB_DIR"
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ONNXRUNTIME_DYLIB_NAME="$(basename "$ONNXRUNTIME_DYLIB")"
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ensure_local_identity
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step "Cleaning old local build"
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rm -rf "$APP_BUNDLE" "$DMG_PATH"
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mkdir -p "$BUILD_DIR"
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step "Building frontend"
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cd "$PROJECT_DIR/frontend"
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if [[ ! -d node_modules ]]; then
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npm ci --prefer-offline
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fi
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npm run build
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step "Building Go binary ($DMG_ARCH)"
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cd "$PROJECT_DIR"
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CGO_ENABLED=1 GOOS=darwin GOARCH="$GOARCH" \
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go build -buildvcs=false -gcflags=all="-l" -ldflags="-s -w" \
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-o "$BUILD_DIR/$APP_NAME"
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step "Assembling $APP_NAME.app"
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mkdir -p "$APP_BUNDLE/Contents/MacOS"
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mkdir -p "$APP_BUNDLE/Contents/Frameworks"
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mkdir -p "$APP_BUNDLE/Contents/Resources"
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cp "$INFO_PLIST" "$APP_BUNDLE/Contents/Info.plist"
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cp "$BUILD_DIR/$APP_NAME" "$APP_BUNDLE/Contents/MacOS/$APP_NAME"
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cp "$PROJECT_DIR/build/darwin/icon.icns" "$APP_BUNDLE/Contents/Resources/icon.icns"
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find "$PROJECT_DIR/build/darwin" -maxdepth 1 -type d -name "*.lproj" \
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-exec cp -R {} "$APP_BUNDLE/Contents/Resources/" \;
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cp "$SHERPA_LIB_DIR/libsherpa-onnx-c-api.dylib" "$APP_BUNDLE/Contents/Frameworks/"
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cp "$ONNXRUNTIME_DYLIB" "$APP_BUNDLE/Contents/Frameworks/"
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step "Fixing rpaths"
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install_name_tool -add_rpath @executable_path/../Frameworks \
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"$APP_BUNDLE/Contents/MacOS/$APP_NAME" 2>/dev/null || true
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install_name_tool -id @rpath/libsherpa-onnx-c-api.dylib \
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"$APP_BUNDLE/Contents/Frameworks/libsherpa-onnx-c-api.dylib"
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install_name_tool -id "@rpath/$ONNXRUNTIME_DYLIB_NAME" \
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"$APP_BUNDLE/Contents/Frameworks/$ONNXRUNTIME_DYLIB_NAME"
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step "Code signing with stable local identity"
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sign_item "$APP_BUNDLE/Contents/Frameworks/$ONNXRUNTIME_DYLIB_NAME"
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sign_item "$APP_BUNDLE/Contents/Frameworks/libsherpa-onnx-c-api.dylib"
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sign_item "$APP_BUNDLE/Contents/MacOS/$APP_NAME"
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sign_item "$APP_BUNDLE"
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step "Verifying app signature"
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codesign -vvv --deep --strict "$APP_BUNDLE"
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codesign -dv --verbose=2 "$APP_BUNDLE" 2>&1 | sed -n '1,24p'
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step "Creating DMG"
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DMG_TEMP="$BUILD_DIR/dmg-staging"
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rm -rf "$DMG_TEMP"
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mkdir -p "$DMG_TEMP"
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cp -R "$APP_BUNDLE" "$DMG_TEMP/"
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ln -s /Applications "$DMG_TEMP/Applications"
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hdiutil create -volname "$APP_NAME" \
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-srcfolder "$DMG_TEMP" \
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-ov -format UDZO \
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"$DMG_PATH"
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rm -rf "$DMG_TEMP"
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step "Signing DMG"
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codesign --force --timestamp=none --sign "$LOCAL_IDENTITY" "$DMG_PATH"
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hdiutil verify "$DMG_PATH"
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cp "$DMG_PATH" "$COMPAT_DMG_PATH"
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if [[ "$INSTALL_AFTER_BUILD" == "1" ]]; then
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step "Installing to /Applications"
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osascript -e "tell application \"$APP_NAME\" to quit" 2>/dev/null || true
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sleep 1
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pkill -x "$APP_NAME" 2>/dev/null || true
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rm -rf "/Applications/$APP_NAME.app"
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ditto "$APP_BUNDLE" "/Applications/$APP_NAME.app"
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codesign -vvv --deep --strict "/Applications/$APP_NAME.app"
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fi
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step "Local build complete"
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echo " App: $APP_BUNDLE"
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echo " DMG: $DMG_PATH"
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echo " Compatibility DMG: $COMPAT_DMG_PATH"
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echo " Signing identity: $LOCAL_IDENTITY"
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