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Sylpheed-Godot/docker/entrypoint.sh
MechaCat02 0fccea389d port: fix the credential mount, the /reborn pull, and cargo re-fetching
Three fixes from the port agent's first infrastructure report.

**A. The credential file is written, so it cannot be a read-only mount.**
`credential.helper=store` rewrites its file after a successful auth: temp file,
then rename over the target. Renaming onto a bind-mount point gives EBUSY, which
surfaces as `fatal: unable to write credential store: Device or resource busy`.

The push succeeds anyway, and that is the real hazard -- a `fatal:` line that is
routinely wrong teaches the reader to ignore the one that is real. It also fired
intermittently, so it read as flakiness rather than as a mount.

Fixed by mirroring the pattern already used for .claude.json: mount it as
`.git-credentials.host:ro` and have the entrypoint copy it to a writable
~/.git-credentials at 600. Mounting rw would also silence it, but then the
container can clobber the host's real credential file; copying cannot.

**B. `git -C /reborn pull` can never work, and should not.** /reborn is a live
read-only mount of the RE agent's working tree -- it updates itself, and pulling
would move another agent's checkout. The prompt now says so, and adds the
consequence the agent found the hard way: because the mount is live, HANDOFF can
move mid-iteration, so anything copied out of it (BLOCKED.md especially) may
already be stale and must be re-checked rather than trusted.

**C.** CARGO_HOME moves to a named volume; it was on the container overlay, so
the pinned decoder source was re-fetched from the network on every fresh start.

Also adds SYLPH_PORT_REPO, so this launcher can be run from a worktree without
repointing the agent's checkout -- which is how these edits were made, the agent
being mid-iteration on auto/p0-exporter in the shared tree.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-28 21:07:13 +02:00

73 lines
3.4 KiB
Bash
Executable File

#!/usr/bin/env bash
# Bring up the headless display, then hand over.
#
# Xvfb and openbox are started as children of PID 1 (tini), NOT of the agent's
# shell, so they outlive any single command. The RE container learned this the
# hard way: a display owned by a shell gets reaped when that shell exits, which
# reads as "Xvfb dies on its own every few minutes".
set -euo pipefail
: "${DISPLAY:=:97}"
: "${SCREEN_GEOMETRY:=1280x720x24}"
if ! xdpyinfo -display "$DISPLAY" >/dev/null 2>&1; then
Xvfb "$DISPLAY" -screen 0 "$SCREEN_GEOMETRY" -nolisten tcp &
for _ in $(seq 50); do
xdpyinfo -display "$DISPLAY" >/dev/null 2>&1 && break
sleep 0.1
done
openbox >/dev/null 2>&1 &
fi
echo "[entrypoint] display $DISPLAY ready ($SCREEN_GEOMETRY)"
if [ -d /reborn ]; then
echo "[entrypoint] /reborn mounted read-only — HANDOFF.md is the contract"
fi
# Seed ~/.claude.json from the host's read-only copy, then stamp onboarding as
# complete. Claude Code re-runs its first-run wizard whenever
# lastOnboardingVersion differs from the installed version, so a container with a
# newer Claude than the host stops on the theme picker -- no error, no log line,
# and an unattended agent sits there forever.
if [ -f "$HOME/.claude.host.json" ] && [ ! -s "$HOME/.claude.json" ]; then
cp "$HOME/.claude.host.json" "$HOME/.claude.json" 2>/dev/null || true
fi
# Same reason as .claude.json above: `credential.helper=store` rewrites this
# file by rename-over-target, which fails with EBUSY on a bind mount. Copy it to
# a writable path; nothing is ever written back to the host's file.
if [ -f "$HOME/.git-credentials.host" ]; then
cp "$HOME/.git-credentials.host" "$HOME/.git-credentials" 2>/dev/null || true
chmod 600 "$HOME/.git-credentials" 2>/dev/null || true
fi
CLAUDE_VER=$(claude --version 2>/dev/null | grep -oE '^[0-9][0-9.]*' || echo 0.0.0)
python3 /usr/local/bin/seed-claude-config.py "$HOME/.claude.json" "$CLAUDE_VER" \
"$PWD" "${PROJECT_DIR:-/work}" "$HOME" || true
chmod 600 "$HOME/.claude.json" 2>/dev/null || true
# ── Claude Code ──────────────────────────────────────────────────────────────
# Without this the loop prompt is handed to `exec` as a command, and the whole
# markdown file is tried as a filename: exit 126, "File name too long".
if [ "${SYLPH_AUTONOMOUS:-0}" = "1" ]; then
# Drop the image's default CMD first, or `claude` is handed the literal string
# "bash" as its prompt and answers a question nobody asked.
if [ "$#" -eq 1 ] && [ "$1" = "bash" ]; then
set --
fi
# Remote Control registers the session with the account so the agent can be
# reached from claude.ai -- the point of a detached run being that nobody is
# sitting in front of it. The name is passed EXPLICITLY: the flag's value is
# optional, so a bare --remote-control swallows the /loop prompt after it.
if [ "${SYLPH_REMOTE:-1}" != "0" ]; then
set -- --remote-control "${SYLPH_REMOTE_NAME:-sylpheed-port}" "$@"
echo "[entrypoint] Remote Control as '${SYLPH_REMOTE_NAME:-sylpheed-port}'"
fi
# claude-autonomous wraps `claude --dangerously-skip-permissions` in a pty and
# answers the one-time first-run gates. The Bypass Permissions disclaimer has
# no config key that skips it, so unattended it hangs forever.
set -- claude-autonomous "$@"
echo "[entrypoint] starting Claude Code in $(pwd)"
fi
exec "$@"