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Description:

hatchvcstunable 0.0.0.dev0

hatch-vcs-tunable

This is a plugin for Hatch that extends the plugin hatch-vcs to allow for overriding some config elements with environment variables.
The reason you might want to do this is if you have multiple release tracks for your package, or multiple contexts in which it is used, and want to give it different versions in those different contexts.
Table of Contents

Use as a plugin
Configuration
License

Plugin
Ensure hatch-vcs-tunable is listed in the build-system.requires field in your pyproject.toml:
[build-system]
requires = ["hatchling", "hatch-vcs-tunable"]
build-backend = "hatchling.build"

Configuration
hatch-vcs-tunable can be configured either through pyproject.toml, using exactly the same configuration elements as hatch-vcs but with the plugin name vcs-tunable, or via environment variable overrides.
pyproject.toml
Use the same configuration elements as hatch-vcs, but the plugin name vcs-tunable. For instance, to set the version file you would do:
[tool.hatch.build.hooks.vcs-tunable]
version-file="_version.py"

Environment
The environment variables should be specified as ALL_CAPS_UNDERSCORE versions of the pyproject settings, prefixed with HATCH_VCS_TUNABLE_. So for instance,

tag-pattern can be specified as HATCH_VCS_TUNABLE_TAG_PATTERN
fallback-version can be specified as HATCH_VCS_TUNABLE_FALLBACK_VERSION

raw-options
The value of the raw-options is passed directly to setuptools_scm. It may have multiple keyword arguments, which need both a name and a value, and the keywords may not be safe to put in the names of environment variables, so both the names and values are passed in the environment variable value. These should be passed as a string of key-name=value separated by ;. For instance, to specify both relative_to=.. and version_file=/some/path, you would do HATCH_VCS_TUNABLE_RAW_OPTIONS="relative_to=..;version_file=/some/path".
If a setting is specified both in the environment and in pyproject.toml, the environment variable will take priority.
Environment variables that are specified as empty still exist, so if you do HATCH_VCS_TUNABLE_FALLBACK_VERSION= hatch build, the fallback version will be the empty string. If you have one of these environment variables defined all the time and need to remove it, use unset.
License
hatch-git-version-tunable is distributed under the terms of the Apache-2.0 license.