Environment Variables

Tempo supports a number of environment variables for configuring engine paths, tool versions, caching, networking, and other behavior.

Unreal Engine

`UNREAL_ENGINE_DIRECTORY_MAJOR_MINOR`

Specifies the Unreal Engine installation directory for a specific major and minor version.

For example:

UNREAL_ENGINE_DIRECTORY_5_7

`TEMPO_UNREAL_ENGINE_DIRECTORY_MAJOR_MINOR`

Tempo-specific equivalent of UNREAL_ENGINE_DIRECTORY_MAJOR_MINOR.

For example:

TEMPO_UNREAL_ENGINE_DIRECTORY_5_7

`UNREAL_ENGINE_MAJOR_VERSION`

Specifies the Unreal Engine major version.

UNREAL_ENGINE_MAJOR_VERSION=5

`UNREAL_ENGINE_MINOR_VERSION`

Specifies the Unreal Engine minor version.

UNREAL_ENGINE_MINOR_VERSION=7

`TEMPO_UNREAL_ENGINE_MAJOR_VERSION`

Tempo-specific Unreal Engine major version.

TEMPO_UNREAL_ENGINE_MAJOR_VERSION=5

`TEMPO_UNREAL_ENGINE_MINOR_VERSION`

Tempo-specific Unreal Engine minor version.

TEMPO_UNREAL_ENGINE_MINOR_VERSION=7

Tempo

`TEMPO_PERSISTENT_MODS_DIRECTORY`

Specifies the directory where Tempo should store persistent mod data

TEMPO_PERSISTENT_MODS_DIRECTORY=C:\Tempo\Mods

`TEMPO_DUMP_PATTERNSLEUTH_VERSION`

Specifies the version of PatternSleuth used by Tempo when dumping or inspecting Unreal Engine data.

TEMPO_DUMP_PATTERNSLEUTH_VERSION=1.2.3

`TEMPO_REPAK_PACK_VERSION`

Specifies the version of the repak package format to use.

TEMPO_REPAK_PACK_VERSION=4

`TEMPO_REPAK_COMPRESSION_TYPE`

Specifies the compression type used when creating repak archives.

TEMPO_REPAK_COMPRESSION_TYPE=Zlib

PatternSleuth

`PATTERNSLEUTH_RES_EngineVersion`

Specifies the Unreal Engine version used by PatternSleuth resource data.

PATTERNSLEUTH_RES_EngineVersion=5.7

Network / Online Mode

`TEMPO_FORCE_ONLINE`

Forces Tempo and supported tools to operate in online mode.

TEMPO_FORCE_ONLINE=1

`TEMPO_FORCE_OFFLINE`

Forces Tempo and supported tools to operate in offline mode.

TEMPO_FORCE_OFFLINE=1

TEMPO_FORCE_ONLINE and TEMPO_FORCE_OFFLINE should not normally be enabled at the same time.

GitHub

`GITHUB_TOKEN`

Provides a GitHub authentication token for operations that require access to the GitHub API.

GITHUB_TOKEN=...

Avoid committing authentication tokens to source control.

Tool Caching

The following variables use TOOLNAME as a placeholder for the name of the relevant tool.

`TOOLNAME_NO_CACHE`

Disables caching for the tool.

TOOLNAME_NO_CACHE=1

`TOOLNAME_CACHE_DIR`

Specifies the directory used for the tool's cache.

TOOLNAME_CACHE_DIR=C:\Tempo\Cache

`TOOLNAME_CACHE_FORCE_ONLINE`

Forces the tool to use online resources when resolving cached resources.

TOOLNAME_CACHE_FORCE_ONLINE=1

`TOOLNAME_CACHE_FORCE_OFFLINE`

Forces the tool to operate using locally cached resources.

TOOLNAME_CACHE_FORCE_OFFLINE=1

`TEMPO_TOOLNAME_RELEASE_TAG`

Forces the tool to use a specific release tag for a specific tool.

TEMPO_TOOLNAME_RELEASE_TAG=1.3

`TEMPO_TOOLNAME_DIR`

Forces the tool to use a specific dir for the installation of a tool.

TEMPO_TOOLNAME_RELEASE_TAG=C:\Tempo\Tools\ToolName

Quick Reference

Variable	Purpose
`TEMPO_PERSISTENT_MODS_DIRECTORY`	Persistent mod storage directory
`UNREAL_ENGINE_MAJOR_VERSION`	Unreal Engine major version
`UNREAL_ENGINE_MINOR_VERSION`	Unreal Engine minor version
`TEMPO_UNREAL_ENGINE_MAJOR_VERSION`	Tempo Unreal Engine major version
`TEMPO_UNREAL_ENGINE_MINOR_VERSION`	Tempo Unreal Engine minor version
`UNREAL_ENGINE_DIRECTORY_MAJOR_MINOR`	Unreal Engine installation directory
`TEMPO_UNREAL_ENGINE_DIRECTORY_MAJOR_MINOR`	Tempo Unreal Engine installation directory
`TEMPO_DUMP_PATTERNSLEUTH_VERSION`	PatternSleuth version
`PATTERNSLEUTH_RES_EngineVersion`	PatternSleuth engine version
`TEMPO_REPAK_PACK_VERSION`	repak package version
`TEMPO_REPAK_COMPRESSION_TYPE`	repak compression type
`GITHUB_TOKEN`	GitHub API authentication
`TEMPO_FORCE_ONLINE`	Force online operation
`TEMPO_FORCE_OFFLINE`	Force offline operation
`TOOLNAME_NO_CACHE`	Disable tool caching
`TOOLNAME_CACHE_DIR`	Tool cache directory
`TOOLNAME_CACHE_FORCE_ONLINE`	Force cache operations online
`TOOLNAME_CACHE_FORCE_OFFLINE`	Force cache operations offline