[MRELEASE-839] Unable to supply tag to release for release:perform

**[Tuure Laurinolli](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=tazle)** opened **[MRELEASE-839](https://issues.apache.org/jira/browse/MRELEASE-839?redirect=false)** and commented

The documentation at http://maven.apache.org/maven-release/maven-release-plugin/examples/perform-release.html and http://maven.apache.org/maven-release/maven-release-plugin/plugin-info.html claims that releases can be ma de of a specific tag, but no mechanism for this is specified.

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**Affects:** 2.4.1

**Issue Links:**
- [MRELEASE-796](https://issues.apache.org/jira/browse/MRELEASE-796) Add AbstractScmReleaseMojo

**Remote Links:**
- [GitHub Pull Request #149
](https://github.com/apache/maven-release/pull/149)

3 votes, 10 watchers

Start with the perform-release and plugin-info documentation links in the issue, then review the referenced GitHub Pull Request #149 and the related MRELEASE-796 issue. Determine how a specific tag is expected to be supplied and ensure the documented behavior is consistent with the release:perform implementation; done means the tag mechanism is clear and usable.

Written by the indexing model from the issue text.