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feat: add rtk to sandbox image and auto-mount gain data dir #35

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Merged
malaporte merged 1 commit into from
Jun 12, 2026
Merged

feat: add rtk to sandbox image and auto-mount gain data dir #35

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4 changes: 4 additions & 0 deletions src/cli/default-dockerfile.ts
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Expand Up @@ -57,6 +57,10 @@ RUN curl -LsSf https://astral.sh/uv/install.sh | sh \
# Sentry CLI
RUN curl -sL https://sentry.io/get-cli/ | bash

# RTK (token-optimized CLI proxy)
RUN curl -fsSL https://raw.githubusercontent.com/rtk-ai/rtk/refs/heads/master/install.sh | sh \
&& ln -sf /root/.local/bin/rtk /usr/local/bin/rtk

# pnpm via Corepack
ENV COREPACK_ENABLE_DOWNLOAD_PROMPT=0
RUN corepack enable
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16 changes: 16 additions & 0 deletions src/cli/sandbox.ts
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Expand Up @@ -720,6 +720,22 @@ function buildDockerRunArgs(
}
}

// RTK data dir: mount host rtk data dir into the container so that `rtk gain`
// on the host reflects token savings recorded inside the sandbox.
// Host path varies by OS (macOS: ~/Library/Application Support/rtk,
// Linux: ~/.local/share/rtk); container always uses /root/.local/share/rtk.
const rtkHostDataDir = os.platform() === 'darwin'
? path.join(hostHome, 'Library', 'Application Support', 'rtk')
: path.join(hostHome, '.local', 'share', 'rtk')
const rtkContainerDataDir = `${containerHome}/.local/share/rtk`
if (!mountedPaths.has(rtkHostDataDir)) {
// Create the directory on the host if it doesn't exist so the mount succeeds
// even before rtk has been run for the first time.
fs.mkdirSync(rtkHostDataDir, { recursive: true })
mountedPaths.add(rtkHostDataDir)
args.push('-v', `${rtkHostDataDir}:${rtkContainerDataDir}`)
}

const SF_CACHE_DIR = '$HOME/.cache/snowflake'
const SF_CACHE_FILE = `${SF_CACHE_DIR}/credential_cache_v1.json`
const BOOTSTRAP_LOG = '/pippin-share/bootstrap.log'
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