Flutter macOS构建在Codemagic缺失librealm_dart.dylib，本地正常

问题背景 #

我正在开发一个使用Realm包的Flutter应用。本地执行flutter build macos --release构建的应用运行正常，但在Codemagic上单次构建时，生成的*.app文件夹中缺失librealm_dart.dylib，导致应用启动崩溃。奇怪的是，连续执行两次完整构建流程后，生成的*.app文件会包含该库，应用可正常运行。

报错信息 #

dyld[48302]: Library not loaded: @rpath/librealm_dart.dylib
Referenced from: <8FDD2B77-17E3-3688-BCB1-9EF31099437D> /Applications/.app/Contents/Frameworks/realm.framework/Versions/A/realm
Reason: tried: '/Applications//Contents/Frameworks/librealm_dart.dylib' (no such file), '/Applications//Contents/Frameworks/realm.framework/Versions/A/Frameworks/librealm_dart.dylib' (no such file),
... (后续路径省略)

单次执行失败的构建脚本 #

# Setup a new keychain
keychain initialize

# Fetch signing files
app-store-connect fetch-signing-files "<redacted>" --type MAC_APP_STORE --platform MAC_OS --create

# Mac installer distribution certificates
app-store-connect create-certificate --type MAC_INSTALLER_DISTRIBUTION --save
app-store-connect list-certificates --type MAC_INSTALLER_DISTRIBUTION --save
        
# Set up signing certificates
keychain add-certificates

# Set up code signing settings on Xcode project
xcode-project use-profiles

flutter build macos --release --build-number=$(($PROJECT_BUILD_NUMBER + 151))
        
# Package application
set -x
APP_NAME=$(find $(pwd) -name ios -prune -o -name "*.app" -print)
cd $(dirname "$APP_NAME")
PACKAGE_NAME=$(basename "$APP_NAME" .app).pkg

# Create unsigned package
xcrun productbuild --component "$APP_NAME" /Applications/ unsigned.pkg

# Installer cert
INSTALLER_CERT_NAME=$(keychain list-certificates \
  | jq '[.[]
    | select(.common_name
    | contains("Mac Developer Installer"))
    | .common_name][0]' \
      | xargs)
        
# Sign the package
xcrun productsign --sign "$INSTALLER_CERT_NAME" unsigned.pkg "$PACKAGE_NAME"
rm -f unsigned.pkg

连续执行两次成功的构建脚本 #

# Setup a new keychain
keychain initialize

# Fetch signing files
app-store-connect fetch-signing-files "<redacted>" --type MAC_APP_STORE --platform MAC_OS --create

# Mac installer distribution certificates
app-store-connect create-certificate --type MAC_INSTALLER_DISTRIBUTION --save
app-store-connect list-certificates --type MAC_INSTALLER_DISTRIBUTION --save
        
# Set up signing certificates
keychain add-certificates

# Set up code signing settings on Xcode project
xcode-project use-profiles

flutter build macos --release --build-number=$(($PROJECT_BUILD_NUMBER + 151))
        
# Package application
set -x
APP_NAME=$(find $(pwd) -name ios -prune -o -name "*.app" -print)
cd $(dirname "$APP_NAME")
PACKAGE_NAME=$(basename "$APP_NAME" .app).pkg

# Create unsigned package
xcrun productbuild --component "$APP_NAME" /Applications/ unsigned.pkg

# Installer cert
INSTALLER_CERT_NAME=$(keychain list-certificates \
  | jq '[.[]
    | select(.common_name
    | contains("Mac Developer Installer"))
    | .common_name][0]' \
      | xargs)
        
# Sign the package
xcrun productsign --sign "$INSTALLER_CERT_NAME" unsigned.pkg "$PACKAGE_NAME"
rm -f unsigned.pkg

# Setup a new keychain
keychain initialize

# Fetch signing files
app-store-connect fetch-signing-files "<redacted>" --type MAC_APP_STORE --platform MAC_OS --create

# Mac installer distribution certificates
app-store-connect create-certificate --type MAC_INSTALLER_DISTRIBUTION --save
app-store-connect list-certificates --type MAC_INSTALLER_DISTRIBUTION --save
        
# Set up signing certificates
keychain add-certificates

# Set up code signing settings on Xcode project
xcode-project use-profiles

flutter build macos --release --build-number=$(($PROJECT_BUILD_NUMBER + 151))
        
# Package application
set -x
APP_NAME=$(find $(pwd) -name ios -prune -o -name "*.app" -print)
cd $(dirname "$APP_NAME")
PACKAGE_NAME=$(basename "$APP_NAME" .app).pkg

# Create unsigned package
xcrun productbuild --component "$APP_NAME" /Applications/ unsigned.pkg

# Installer cert
INSTALLER_CERT_NAME=$(keychain list-certificates \
  | jq '[.[]
    | select(.common_name
    | contains("Mac Developer Installer"))
    | .common_name][0]' \
      | xargs)
        
# Sign the package
xcrun productsign --sign "$INSTALLER_CERT_NAME" unsigned.pkg "$PACKAGE_NAME"
rm -f unsigned.pkg

疑问 #

我尝试调试但未找到问题所在，请问Codemagic上缺少什么配置导致该问题？

内容的提问来源于stack exchange，提问作者Daniel Weiss