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fix(docker): allow entrypoint to pass-through non-hermes commands

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Commit 8254b820 ("--init for zombie reaping + sleep infinity for
idle-based lifetime") made the Docker terminal backend launch
sandbox containers with `sleep infinity` as the command, so the
lifetime is controlled by an external idle reaper instead of a
fixed timeout.

But `docker/entrypoint.sh` unconditionally wraps its args with
`hermes`:

    exec hermes "$@"

Result: `hermes sleep infinity` → argparse rejects `sleep` as a
subcommand and the container exits immediately with code 2:

    hermes: error: argument command: invalid choice: 'sleep'
        (choose from chat, model, gateway, setup, ...)

Every sandbox container launched by the docker backend dies at
startup, breaking terminal/file tool execution end-to-end.

Fix: dispatch at the tail of the entrypoint. If the first arg is
an executable on PATH (sleep, bash, sh, etc.) run it raw; otherwise
preserve the legacy `hermes <subcommand>` wrapping behavior. Both
invocation styles below keep working:

    docker run <image>                 -> hermes (interactive)
    docker run <image> chat -q "hi"    -> hermes chat -q "hi"
    docker run <image> sleep infinity  -> sleep infinity
    docker run <image> bash            -> bash

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Ubuntu 2026-04-21 08:29:33 +03:00 • committed by Teknium
parent a3014a4481
commit d70f0f1dc0
1 changed files with 15 additions and 0 deletions
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15
docker/entrypoint.sh
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@ -68,4 +68,19 @@ if [ -d "$INSTALL_DIR/skills" ]; then
python3 "$INSTALL_DIR/tools/skills_sync.py"
fi
# Final exec: two supported invocation patterns.
#
# docker run <image> -> exec `hermes` with no args (legacy default)
# docker run <image> chat -q "..." -> exec `hermes chat -q "..."` (legacy wrap)
# docker run <image> sleep infinity -> exec `sleep infinity` directly
# docker run <image> bash -> exec `bash` directly
#
# If the first positional arg resolves to an executable on PATH, we assume the
# caller wants to run it directly (needed by the launcher which runs long-lived
# `sleep infinity` sandbox containers — see tools/environments/docker.py).
# Otherwise we treat the args as a hermes subcommand and wrap with `hermes`,
# preserving the documented `docker run <image> <subcommand>` behavior.
if [ $# -gt 0 ] && command -v "$1" >/dev/null 2>&1; then
exec "$@"
fi
exec hermes "$@"