[MWRAPPER-142] distributionUrl could be interpolated with env variables

**[Philippe GRANET](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=phgr100x)** opened **[MWRAPPER-142](https://issues.apache.org/jira/browse/MWRAPPER-142?redirect=false)** and commented

The contents of the `settings.xml` can be interpolated using the following expressions:
1. `{}${user.home{`}} and all other system properties _(since Maven 3.0)_
2. `{}${env.HOME{`}} etc. for environment variables

I try the same with _.mvn/wrapper/maven-wrapper.properties,_ but actually, if you put this conf in _maven-wrapper.properties_ :

```java
distributionUrl=https://${ARTIFACTORY_URL}/artifactory/remote-maven-central/org/apache/maven/apache-maven/3.9.7/apache-maven-3.9.7-bin.zip
```

it generate this error:

```java
wget: Failed to fetch https://${ARTIFACTORY_URL}/artifactory/remote-maven-central/org/apache/maven/apache-maven/3.9.7/apache-maven-3.9.7-bin.zip
```

`ARTIFACTORY_URL env variable is not replaced`

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1 votes, 2 watchers