== every source sets demo.greeting at once ==

$ DEMO_GREETING=from-environment-variable \
    java -Ddemo.greeting=from-system-property \
         -jar target/profiles-and-config-1.0.0.jar --spring.profiles.active=prod \
         --demo.greeting=from-command-line-argument

{
    "property": "demo.greeting",
    "effectiveValue": "from-command-line-argument",
    "activeProfiles": [
        "prod",
        "prod-db",
        "prod-metrics"
    ],
    "holders": [
        {
            "rank": 1,
            "source": "SimpleCommandLinePropertySource {name='commandLineArgs'}",
            "value": "from-command-line-argument",
            "origin": "\"demo.greeting\" from property source \"commandLineArgs\""
        },
        {
            "rank": 2,
            "source": "PropertiesPropertySource {name='systemProperties'}",
            "value": "from-system-property",
            "origin": "\"demo.greeting\" from property source \"systemProperties\""
        },
        {
            "rank": 3,
            "source": "OriginAwareSystemEnvironmentPropertySource {name='systemEnvironment'}",
            "value": "from-environment-variable",
            "origin": "System Environment Property \"DEMO_GREETING\""
        },
        {
            "rank": 4,
            "source": "OriginTrackedMapPropertySource {name='Config resource 'class path resource [application-prod.yaml]' via location 'optional:classpath:/''}",
            "value": "from-application-prod-yaml",
            "origin": "class path resource [application-prod.yaml] from profiles-and-config-1.0.0.jar - 4:13"
        },
        {
            "rank": 5,
            "source": "OriginTrackedMapPropertySource {name='Config resource 'class path resource [application.yaml]' via location 'optional:classpath:/''}",
            "value": "from-application-yaml",
            "origin": "class path resource [application.yaml] from profiles-and-config-1.0.0.jar - 21:13"
        }
    ],
    "shadowedCount": 4
}

== and with the environment variable removed, nothing else changed ==
./scripts/demo-precedence.sh: line 41:  5735 Killed                  DEMO_GREETING=from-environment-variable setsid nohup java -Ddemo.greeting=from-system-property -jar "$JAR" --spring.profiles.active=prod --demo.greeting=from-command-line-argument > /tmp/profiles-precedence.log 2>&1 < /dev/null
{
    "property": "demo.greeting",
    "effectiveValue": "from-system-property",
    "activeProfiles": [
        "prod",
        "prod-db",
        "prod-metrics"
    ],
    "holders": [
        {
            "rank": 1,
            "source": "PropertiesPropertySource {name='systemProperties'}",
            "value": "from-system-property",
            "origin": "\"demo.greeting\" from property source \"systemProperties\""
        },
        {
            "rank": 2,
            "source": "OriginTrackedMapPropertySource {name='Config resource 'class path resource [application-prod.yaml]' via location 'optional:classpath:/''}",
            "value": "from-application-prod-yaml",
            "origin": "class path resource [application-prod.yaml] from profiles-and-config-1.0.0.jar - 4:13"
        },
        {
            "rank": 3,
            "source": "OriginTrackedMapPropertySource {name='Config resource 'class path resource [application.yaml]' via location 'optional:classpath:/''}",
            "value": "from-application-yaml",
            "origin": "class path resource [application.yaml] from profiles-and-config-1.0.0.jar - 21:13"
        }
    ],
    "shadowedCount": 2
}
./scripts/demo-precedence.sh: line 41:  5796 Killed                  setsid nohup java -Ddemo.greeting=from-system-property -jar "$JAR" --spring.profiles.active=prod > /tmp/profiles-precedence2.log 2>&1 < /dev/null