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Configure Gemini to allow reading /tmp/gh-aw/ outside workspace #17612

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pelikhan merged 2 commits into from
Feb 21, 2026
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Configure Gemini to allow reading /tmp/gh-aw/ outside workspace #17612

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Copilot Feb 21, 2026
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Configure Gemini to allow reading outside workspace via includeDirect…
Copilot Feb 21, 2026
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4 changes: 3 additions & 1 deletion actions/setup/sh/convert_gateway_config_gemini.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,9 @@ jq --arg urlPrefix "$URL_PREFIX" '
# Fix the URL to use the correct domain
.url |= (. | sub("^http://[^/]+/mcp/"; $urlPrefix + "/mcp/"))
)
)
) |
# Allow Gemini CLI to read files from /tmp/gh-aw/ (e.g. MCP payload files)
.includeDirectories = ["/tmp/gh-aw/"]
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Copilot AI Feb 21, 2026

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Granting read access to all of /tmp/gh-aw/ is broader than necessary; it increases the blast radius if any sensitive files end up in that directory. Consider narrowing this to the specific payload directory (e.g. /tmp/gh-aw/mcp-payloads/) and/or gating it behind an explicit env/config toggle so it’s only enabled in environments that need it.

Suggested change
# Allow Gemini CLI to read files from /tmp/gh-aw/ (e.g. MCP payload files)
.includeDirectories = ["/tmp/gh-aw/"]
# Allow Gemini CLI to read MCP payload files from a specific subdirectory
.includeDirectories = ["/tmp/gh-aw/mcp-payloads/"]

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Comment on lines +98 to +99
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Copilot AI Feb 21, 2026

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This overwrites any existing includeDirectories that may already be present in the incoming config. To avoid clobbering user/configured values, merge with the existing array (defaulting to []) and de-duplicate instead of assigning a new array.

Suggested change
# Allow Gemini CLI to read files from /tmp/gh-aw/ (e.g. MCP payload files)
.includeDirectories = ["/tmp/gh-aw/"]
# Allow Gemini CLI to read files from /tmp/gh-aw/ (e.g. MCP payload files),
# preserving any existing includeDirectories and avoiding duplicates
.includeDirectories = ((.includeDirectories // []) + ["/tmp/gh-aw/"] | unique)

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' "$MCP_GATEWAY_OUTPUT" > "$GEMINI_SETTINGS_FILE"

echo "Gemini configuration written to $GEMINI_SETTINGS_FILE"
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