update ios app plist by PlistBuddy

app.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist
  PUBLIC '-//Apple//DTD PLIST 1.0//EN'
  'http://www.apple.com/DTDs/PropertyList-1.0.dtd'>
<plist version="1.0">
    <dict>
        <key>items</key>
        <array>
            <dict>
                <key>assets</key>
                <array>
                    <dict>
                        <key>kind</key>
                        <string>software-package</string>
                        <key>url</key>
                        <string>demo_url</string>
                    </dict>
                </array>
                <key>metadata</key>
                <dict>
                    <key>bundle-identifier</key>
                    <string>demo_identifier</string>
                    <key>bundle-version</key>
                    <string>demo_version</string>
                    <key>kind</key>
                    <string>software</string>
                    <key>title</key>
                    <string>demo_title</string>
                </dict>
            </dict>
        </array>
    </dict>
</plist>

update_plist.sh

update_plist(){
    echo "#####update plist#####"
    /usr/libexec/PlistBuddy -c "Set :items:0:assets:0:url '${BUILD_URL}artifact/jenkins/YOUR.ipa'" "${WORKSPACE}/jenkins/app.plist"
    /usr/libexec/PlistBuddy -c "Set :items:0:metadata:title '${BUNDLE_TITLE}'" "${WORKSPACE}/jenkins/app.plist"
    /usr/libexec/PlistBuddy -c "Set :items:0:metadata:bundle-version '${BETA_VERSION}'" "${WORKSPACE}/jenkins/app.plist"
    /usr/libexec/PlistBuddy -c "Set :items:0:metadata:bundle-identifier '${BUNDLE_IDENTIFIER}'" "${WORKSPACE}/jenkins/app.plist"
}
update_plist