Halyde Documentation

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====== Advanced Versioning Syntax ======

<WRAP important>
This is for Argentum 2, which is included with Halyde 3.0.0+. For the original Argentum, see [[ag1|Argentum 1]].
</WRAP>

In some cases it is possible that a package depends on a specific range of versions of another package. Or perhaps there is a bug in the latest version of a package and the user would like to revert to a previous one. In these cases, Advanced Versioning Syntax may be used, either in the ``dependencies`` or ``conflicts`` fields of a package's master config, or by the user when installing a package.

<WRAP info>
AVS and package versioning in general is based on [[https://semver.org|Semantic Versioning]].
</WRAP>

===== Usage =====

  * To install an exact version of a package, use ``package-name=1.2.3``, where ``1.2.3`` is the version.
  * Wildcards (``*``) can be used. For example:
    * To install any version where the major version is 1, while the minor and patch versions don't matter: ``package-name=1.*.*``
    * To install any version where the major version is 1 and the minor version is 2, while the patch version doesn't matter: ``package-name=1.2.*``