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[docs] Update glossary with GH_HOST and RUNNER_TEMP (daily scan 2026-03-18) #21553

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pelikhan merged 1 commit into from
Mar 18, 2026
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[docs] Update glossary with GH_HOST and RUNNER_TEMP (daily scan 2026-03-18) #21553

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8 changes: 8 additions & 0 deletions docs/src/content/docs/reference/glossary.md
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Expand Up @@ -328,6 +328,10 @@ Markdown files with YAML frontmatter stored in `.github/agents/` defining intera

A GitHub Personal Access Token with granular permission control, specifying exactly which repositories the token can access and what permissions it has. Created at github.com/settings/personal-access-tokens.

### `RUNNER_TEMP` / `${{ runner.temp }}`

A GitHub Actions environment variable pointing to a per-job temporary directory on the runner. Agentic workflows store compiled scripts and runtime artifacts under `${RUNNER_TEMP}/gh-aw/` for compatibility with self-hosted runners that may not have write access to system directories. In shell `run:` blocks, use the shell variable form `${RUNNER_TEMP}`; in `with:` or `env:` YAML fields, use the expression form `${{ runner.temp }}`.

## Development and Compilation

### CLI (Command Line Interface)
Expand Down Expand Up @@ -408,6 +412,10 @@ A system-injected environment variable containing the gh-aw compiler version tha

A system-injected environment variable containing the comma-separated list of domains allowed by the workflow's network configuration. Used by safe output jobs for URL sanitization — URLs from unlisted domains are redacted in AI-generated content before it is applied. Automatically populated from `network.allowed` domains and, when `engine.api-target` is set, includes the GHES/GHEC API hostname and base domain. Cannot be overridden by user-defined `env:` blocks. See [Environment Variables Reference](/gh-aw/reference/environment-variables/).

### `GH_HOST`

An environment variable recognized by the `gh` CLI that specifies the GitHub hostname for GitHub Enterprise Server (GHES) or GitHub Enterprise Cloud (GHEC) deployments. When set, `gh` commands target the specified enterprise instance instead of `github.com`. Agentic workflows automatically configure this from `GITHUB_SERVER_URL` at agent job startup; the variable is also propagated to custom frontmatter jobs and the safe-outputs job so all `gh` calls target the correct enterprise host. See [Environment Variables Reference](/gh-aw/reference/environment-variables/).

### Label Command Trigger (`label_command`)

A trigger that activates a workflow when a specific label is added to an issue, pull request, or discussion. Unlike standard label filtering, the label command trigger automatically removes the applied label on activation so it can be reapplied to re-trigger the workflow. Configured via `label_command:` in the `on:` section; exposes `needs.activation.outputs.label_command` with the matched label name for downstream jobs. Can be combined with `slash_command:` to support both label-based and comment-based triggering. See [LabelOps patterns](/gh-aw/patterns/label-ops/).
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