Workspace environment

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LibTmux.Workspace 0.0.0-alpha.14 · Source

tmuxp compatibility reference. Examples using tmuxp run the Python reference. Local CLI status describes this port’s implemented coverage.

The environment of the process running tmuxp controls discovery, expansion, and presentation. A workspace’s "environment" mapping controls the tmux session or the environment passed when launching a pane. These are separate settings.

session_name: environment-example
environment:
  WORKSPACE_ROLE: shared
windows:
  - window_name: main
    environment:
      WINDOW_ROLE: tools
    panes:
      - echo window environment
      - environment:
          PANE_ROLE: isolated
        shell_command: env

The first pane receives the window launch map. The second selects its own pane map instead of merging it with the window map. It still inherits applicable tmux session/process environment. A pane map does not mean a completely empty environment plus that map.

Expansion before launchLink to section

Tmuxp expands tilde and environment-variable expressions in session/window names, paths, before_script, command strings, environment values, and string option values. It uses the environment of the process invoking tmuxp. It does not first populate that process environment from the workspace’s environment mapping.

For example, a command using an already-set process variable can be substituted before pane creation. Inspect the expanded intent when a variable should instead be read dynamically by a pane shell. Unknown variables and shell-specific expressions follow the loader’s expansion and the eventual shell’s rules, not a general template language.

CLI and runtime variablesLink to section

Variables	Effect
`TMUXP_CONFIGDIR`, `XDG_CONFIG_HOME`, `HOME`	Global workspace directory selection and home expansion
`TMUXINATOR_CONFIG`	Tmuxinator import source directory
`$EDITOR`	Editor executable; reference default is vim
`$TMUX`, `$TMUX_PANE`	Current tmux connection and shell object context
`TMUXP_PROGRESS`	Value 0 disables animated load progress
`TMUXP_PROGRESS_FORMAT`	Default/minimal/window/pane/verbose preset or custom tokens
`TMUXP_PROGRESS_LINES`	Script panel lines: default 3, 0 hides, -1 caps to terminal height
`TMUXP_DETECT_TERMINAL_SIZE`	Value 1 enables size detection; default 1
`TMUXP_DEFAULT_COLUMNS`, `TMUXP_DEFAULT_ROWS`	Fallback session dimensions
`COLUMNS`, `LINES`, `ROWS`	Terminal helper overrides and fallback sizing inputs
`NO_COLOR`, `FORCE_COLOR`	Color policy; nonempty values are significant
`PYTHONSTARTUP`	Startup file used by supported shell startup behavior
`IPYTHON_ARGUMENTS`	Whitespace-split arguments for the IPython backend
`PYTHONBREAKPOINT`	Can affect debugger selection in tmuxp shell
`SHELL`	Shell diagnostics and readiness fallback
`DISABLE_AUTO_TITLE`	Oh My Zsh automatic-title warning
`PATH`	Executable lookup and diagnostics
`LIBTMUX_TMUX_FORMAT_SEPARATOR`	Python libtmux format collection override

Explicit progress flags take precedence over their corresponding defaults. Nonempty NO_COLOR disables color even with always; otherwise explicit never/always precede FORCE_COLOR and automatic TTY detection. Machine-output extensions must disable ANSI regardless of forced color.

CLICOLOR and CLICOLOR_FORCE are proposed cross-port presentation extensions, not variables read by this tmuxp reference. Native format codecs also need separate evidence before claiming the Python separator override works.

See directories for existing-directory precedence, layouts for size resolution, and shell for Python-specific environment effects.

Current .NET builderLink to section

The configuration subset does not implement the full session/window/pane environment and variable expansion described here. The CLI progress/color variables are reference behavior, not .NET builder settings.

See the native builder behavior and configuration source before using these fields through application code.

Reference sourceLink to section

loader.py; finders.py; classic.py; load.py; shell.py; shell.py; colors.py; util.py.