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<h1 id="workspace-trust"><a class="header" href="#workspace-trust">Workspace trust</a></h1>
<p>Helix has several features that can execute arbitrary code:</p>
<ul>
<li>Language servers (LSP)</li>
<li>Debug adapters (DAP)</li>
<li>Local workspace configuration (<code>.helix/config.toml</code>, <code>.helix/languages.toml</code>)</li>
<li>Git integration (filters and other commands in a repositorys <code>.git/config</code>)</li>
</ul>
<p>To protect against malicious projects (a checked-out PR, a freshly cloned
repository, etc.) Helix gates these behind explicit per-workspace trust.
By default language servers start automatically (their binaries come from
<code>$PATH</code>, not from the workspace) and debug adapters may be launched, but
loading <code>.helix/config.toml</code> or <code>.helix/languages.toml</code> and trusting a
repositorys <code>.git/config</code> requires opting in. Note that debug adapters
are never started automatically — you launch them yourself — but the same
trust level still gates whether they may run. The model is intentionally
similar to <a href="https://direnv.net/">direnv</a>: you run <code>:workspace-trust</code> once
per workspace and Helix remembers across sessions.</p>
<h2 id="granting-trust"><a class="header" href="#granting-trust">Granting trust</a></h2>
<p>When Helix opens a file inside a workspace it has never seen before, a
modal trust prompt asks:</p>
<ul>
<li><strong>Trust</strong> — allow the workspace permanently.</li>
<li><strong>Never</strong> — exclude the workspace; never prompt again.</li>
</ul>
<p><code>&lt;Esc&gt;</code> (or any other dismissal) caches “untrusted for this session” so
the prompt doesnt re-fire for every file you open in the workspace. The
next time you start Helix in that workspace, itll prompt again.</p>
<p>A small <code>[⚠]</code> indicator appears in the bottom-right of the editor (next
to the macro-recording <code>[@]</code>) whenever the workspace is in restricted mode
<em>and</em> running <code>:workspace-trust</code> would change observable behavior — i.e.
when theres a local config to load or an LSP that would start.</p>
<p>You can also run <code>:workspace-trust</code> / <code>:workspace-untrust</code> /
<code>:workspace-exclude</code> directly from the typed command prompt.</p>
<h2 id="revoking-trust"><a class="header" href="#revoking-trust">Revoking trust</a></h2>
<p>Run <code>:workspace-untrust</code> to revoke a workspaces trust grant. The next time
you open a file in that workspace, youre back to the untrusted hint.</p>
<h2 id="detecting-changes-after-trust-was-granted"><a class="header" href="#detecting-changes-after-trust-was-granted">Detecting changes after trust was granted</a></h2>
<p>When you trust a workspace, Helix records a hash of every file under
<code>.helix/</code>. If those files change afterwards (a malicious checkout, an
inadvertent rebase, etc.) Helix detects the mismatch on the next open and
reports the workspace as <em>stale</em>:</p>
<pre><code>Workspace `.helix/` config changed since `:workspace-trust`. Local config
not loaded. Run `:workspace-trust` to re-allow.
</code></pre>
<p>In the stale state, language servers continue to run (they use the
globally-configured binaries on <code>$PATH</code>, which are unchanged), but
<code>.helix/config.toml</code> and <code>.helix/languages.toml</code> are not loaded. Run
<code>:workspace-trust</code> again to re-pin the new hash.</p>
<h2 id="storage"><a class="header" href="#storage">Storage</a></h2>
<p>Trust grants live in <code>data_dir()/workspace_trust/</code>, one small file per
workspace. The filename is the SHA-256 of the workspaces absolute path;
the contents look like:</p>
<pre><code>path = /home/user/proj1
hash = sha256:abc123...
excluded = false
</code></pre>
<ul>
<li>Linux, macOS: <code>~/.local/share/helix/workspace_trust/</code></li>
<li>Windows: <code>%AppData%\Roaming\helix\workspace_trust\</code></li>
</ul>
<p>The one-file-per-workspace shape is safe under multiple concurrent Helix
instances — different workspaces never write the same file.</p>
<h2 id="configuration"><a class="header" href="#configuration">Configuration</a></h2>
<p>Settings live under <code>[editor.workspace-trust]</code>:</p>
<div class="table-wrapper">
<table>
<thead>
<tr><th>Key</th><th>Values</th><th>Default</th><th>Effect</th></tr>
</thead>
<tbody>
<tr><td><code>level</code></td><td><code>"none"</code>, <code>"servers"</code>, <code>"insecure"</code></td><td><code>"servers"</code></td><td>What is auto-trusted in every workspace. See below.</td></tr>
<tr><td><code>prompt</code></td><td><code>true</code>, <code>false</code></td><td><code>true</code></td><td>Whether to surface the modal popup. The <code>[⚠]</code> indicator is shown regardless.</td></tr>
<tr><td><code>trusted</code></td><td>list of glob patterns</td><td><code>[]</code></td><td>Workspaces matching a pattern are trusted without a grant. Discouraged; see below.</td></tr>
</tbody>
</table>
</div>
<h3 id="recommended-setups"><a class="header" href="#recommended-setups">Recommended setups</a></h3>
<p><strong>Default: trust servers, prompt before loading workspace config.</strong></p>
<pre><code class="language-toml">[editor.workspace-trust]
level = "servers"
prompt = true
</code></pre>
<p>Language servers start automatically in every workspace — their binaries
come from <code>$PATH</code> and are not workspace-controlled — and debug adapters
you launch are allowed to run. The modal only appears when opening a file
in a workspace whose <code>.helix/config.toml</code> or <code>.helix/languages.toml</code> would
unlock something. Trust everything else with one keystroke per workspace,
deny with another.</p>
<p><strong>Maximum security: never prompt, trust each workspace by hand.</strong></p>
<pre><code class="language-toml">[editor.workspace-trust]
level = "none"
prompt = false
</code></pre>
<p>Nothing trusts implicitly: language servers, debug adapters, local
config, and git <code>Trust::Full</code> are all off until you run
<code>:workspace-trust</code>. The popup never appears; the <code>[⚠]</code> indicator in the
bottom-right is your only signal that the current workspace is
restricted. Suited to users who would rather grant trust as a
deliberate action than dismiss a dialog.</p>
<blockquote class="blockquote-tag blockquote-tag-warning">
<p class="blockquote-tag-title"><svg viewbox="0 0 16 16" width="18" height="18"><path d="M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0 1 14.082 15H1.918a1.75 1.75 0 0 1-1.543-2.575Zm1.763.707a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368Zm.53 3.996v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z"></path></svg>Warning</p>
<p><code>level = "insecure"</code> is highly discouraged. It implicitly trusts every
workspace you open, which defeats the protection entirely: a
checked-out PR with a malicious <code>.helix/config.toml</code> would get its
configuration loaded and any language server it defines launched, with
no prompt and no indicator. Only set this if you accept full
responsibility for whats in every project directory you <code>cd</code> into.</p>
</blockquote>
<h3 id="trusting-workspaces-by-path-discouraged"><a class="header" href="#trusting-workspaces-by-path-discouraged">Trusting workspaces by path (discouraged)</a></h3>
<p>If you keep all your repositories under a predictable layout, you can
trust them in bulk with glob patterns instead of granting each workspace
individually:</p>
<pre><code class="language-toml">[editor.workspace-trust]
trusted = [
"~/src/github.com/me/*",
"~/work/repos/*",
]
</code></pre>
<p>A workspace whose path matches a pattern is trusted for everything, just
as if you had run <code>:workspace-trust</code> in it. <code>~</code> and environment variables
are expanded.</p>
<blockquote class="blockquote-tag blockquote-tag-warning">
<p class="blockquote-tag-title"><svg viewbox="0 0 16 16" width="18" height="18"><path d="M6.457 1.047c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0 1 14.082 15H1.918a1.75 1.75 0 0 1-1.543-2.575Zm1.763.707a.25.25 0 0 0-.44 0L1.698 13.132a.25.25 0 0 0 .22.368h12.164a.25.25 0 0 0 .22-.368Zm.53 3.996v2.5a.75.75 0 0 1-1.5 0v-2.5a.75.75 0 0 1 1.5 0ZM9 11a1 1 0 1 1-2 0 1 1 0 0 1 2 0Z"></path></svg>Warning</p>
<p>This is weaker than an explicit grant and is discouraged. It skips the
<code>.helix/</code> change detection entirely (a malicious checkout under a
matched directory is never flagged as stale), and it trusts <em>any</em>
repository that later lands under a matching path — including one you
clone into <code>~/src/github.com/me/</code> from an untrusted source. Prefer
granting trust per workspace; reach for this only if the prompts are
genuinely disruptive to your workflow. An explicit <code>:workspace-exclude</code>
still overrides a matching pattern.</p>
</blockquote>
<h2 id="git-trust"><a class="header" href="#git-trust">Git trust</a></h2>
<p>Workspace trust also gates how Helix opens git repositories. Untrusted
workspaces are opened in <a href="https://github.com/Byron/gitoxide">gix</a>s
<code>Trust::Reduced</code> mode; trusted workspaces use <code>Trust::Full</code>.</p>
<p>Under <code>Trust::Reduced</code>, gix still runs the full filter pipeline (so
built-in conversions like <code>core.autocrlf</code> keep working) but ignores
configuration coming from the untrusted, repository-local <code>.git/config</code>.
That means <code>filter.*.clean</code> / <code>filter.*.smudge</code> drivers and similar
keys that would otherwise execute external programs are dropped until you
trust the workspace.</p>
<p>Helix forces this trust level explicitly rather than letting gix infer it
from <code>.git</code> directory ownership — a malicious <code>.git/config</code> in a directory
you happen to own is still treated as untrusted until you run
<code>:workspace-trust</code>.</p>
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