Allow referring to current module version using _ #43
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Sometimes in projects you want the internal dependencies of a module to always refer to the current version of that module. Having to edit :versions in the parent every time a submodule version changes is a solution, but one can forget to do so and also it's a bit against the idea of self-discovery. This little patch makes available the versions of all modules to versionize, so that one can write ```clojure ["module-a" "_"] ``` as a dep in "module-b" to refer to the current version of "module-a" in the project, without having to list "module-a" explictly in :versions. The patch is ugly in that it uses mutation to hook into `versionize`, but modifying the actual versions maps in the project object in a way that it's seen in substasks doesn't seem possible without touching the project.clj.
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Sometimes in projects you want the internal dependencies of a module
to always refer to the current version of that module. Having to edit
:versions in the parent every time a submodule version changes is a
solution, but one can forget to do so and also it's a bit against the
idea of self-discovery. This little patch makes available the
versions of all modules to versionize, so that one can write
as a dep in "module-b" to refer to the current version of "module-a"
in the project, without having to list "module-a" explictly in
:versions.
The patch is ugly in that it uses mutation to hook into
versionize,but modifying the actual versions maps in the project object in a way
that it's seen in substasks doesn't seem possible without touching the
project.clj. Just a suggestion more than a fully fledged PR.