Fixed 3 critical syntax errors preventing script execution:
- Line 45-46: Malformed saved_token assignment
- Line 65-66: Broken error_msg assignment in token validation
- Line 110-111: Broken error_msg in SSH key registration
- Line 164-165: Malformed root_pass assignment
These were introduced during Round 15 refactoring and prevented
Linode authentication and server creation from working.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Add SC2086 disable comments to interactive_session() functions in
GCP, Hetzner, and DigitalOcean providers. SSH_OPTS is intentionally
unquoted to allow word splitting for multiple SSH options.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Add -r flag to safe_read() to prevent backslash mangling (SC2162)
- Add shellcheck disable for intentional SSH_OPTS word splitting
- Remove unused 'gaps' variable in improve.sh (SC2034)
- Quote exit_code in return statement for consistency (SC2248)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Quote INSTANCE_STATUS_POLL_DELAY, SSH_RETRY_DELAY, and
SPRITE_CONNECTIVITY_POLL_DELAY to prevent potential word splitting
issues with unusual values.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Separated local variable declaration from command substitution assignment
in upload_file_sprite function to avoid masking return values.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Modified OAuth server to try ports sequentially (PORT to PORT+10) if initial
port is busy. Server now writes actual port used to a port file, which
try_oauth_flow reads to construct the correct callback URL.
Changes:
- start_oauth_server: Added port range retry logic with EADDRINUSE handling
- start_oauth_server: Now accepts port_file parameter to communicate actual port
- try_oauth_flow: Waits for port allocation and reads actual port used
- try_oauth_flow: Logs allocated port for user visibility
- Backward compatible: PORT env var still respected as starting point
Pattern:
Before: Fixed port 5180 → fails if busy
After: Try 5180, 5181, 5182... → resilient to port conflicts
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Extract hardcoded `sleep 1` values in OAuth code polling and server
startup wait to environment-configurable POLL_INTERVAL constant.
Changes:
- Added POLL_INTERVAL="${SPAWN_POLL_INTERVAL:-1}" at top of shared/common.sh
- Updated wait_for_oauth_code() to use POLL_INTERVAL (line 388)
- Updated OAuth server startup wait to use POLL_INTERVAL (line 489)
Benefits:
- Faster testing with SPAWN_POLL_INTERVAL=0.1
- Configurable for slow networks with SPAWN_POLL_INTERVAL=2
- Consistent with other timeout/delay constants added in previous commit
File modified:
- shared/common.sh
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Add explicit timeout parameter (60 seconds) to all wait_for_cloud_init calls
across linode, vultr, digitalocean, hetzner, gcp, and aws-lightsail providers.
This makes timeout configuration more explicit and easier to tune per-provider
or per-agent in the future. The value of 60 matches the default in the
wait_for_cloud_init function implementations.
Modified 60 agent scripts (10 agents × 6 providers).
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Fixed SC2155 warnings by separating variable declarations from command
assignments to avoid masking return values.
Pattern: local var=$(cmd) → local var; var=$(cmd)
This ensures error codes from subshell commands are properly propagated.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Add test_e2b_token() to validate E2B API keys
- Apply validate_api_token() consistently via ensure_api_token_with_provider
- Improves security and user experience
- Prevents invalid tokens from being saved
Score: 24 (Impact: 8, Confidence: 9, Risk: 3)
- Add shellcheck source comments to all agent scripts
- Tells shellcheck where provider-exported variables are defined
- Fix 132+ SC2154 warnings across all providers
Score: 30 (Impact: 6, Confidence: 10, Risk: 2)
Fixed all 57 SC2250 shellcheck warnings by adding braces to variable
references. This improves code consistency and follows shellcheck
best practices.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Fixed all 58 SC2250 shellcheck warnings by adding braces to variable
references. This improves code consistency and follows shellcheck
best practices.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Fixed all SC2250 shellcheck warnings by adding braces to variable
references throughout the file. This improves code consistency and
follows shellcheck best practices.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
All modal scripts now validate that create_server() succeeded and that
MODAL_SANDBOX_ID is set before proceeding with setup steps. This prevents
silent failures when Modal sandbox creation fails.
Changes:
- Added explicit error checking after create_server() call
- Added validation that MODAL_SANDBOX_ID is not empty
- Applied to all 10 modal scripts (nanoclaw, aider, claude, interpreter,
cline, amazonq, gemini, openclaw, goose, codex)
Fixes SC2154 shellcheck warnings for unassigned MODAL_SANDBOX_ID variable.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Eliminates duplicate SSH key registration logic across 5 cloud providers
(Hetzner, DigitalOcean, Vultr, Linode, Lambda) by introducing a generic
callback-based pattern in shared/common.sh.
Before: Each provider had ~45 lines of nearly identical code for:
- Generating SSH keys if missing
- Getting fingerprints
- Checking if key exists with provider
- Registering key if not exists
- Error handling
After: Providers implement 2 simple callbacks:
- check_callback: provider-specific API call to check if key exists
- register_callback: provider-specific API call to register key
The shared function handles:
- Key generation (via generate_ssh_key_if_missing)
- Fingerprint extraction (via get_ssh_fingerprint)
- Flow control and logging
- Callback orchestration
Changes:
- shared/common.sh: Added ensure_ssh_key_with_provider() function
- hetzner/lib/common.sh: Refactored to use callbacks
- digitalocean/lib/common.sh: Refactored to use callbacks
- vultr/lib/common.sh: Refactored to use callbacks
- linode/lib/common.sh: Refactored to use callbacks
- lambda/lib/common.sh: Refactored to use callbacks
Benefits:
- DRY: Eliminates ~220 lines of duplicate code
- Maintainability: Bug fixes in registration flow benefit all providers
- Consistency: All providers use identical registration logic
- Extensibility: New providers can reuse this pattern
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
SSH_OPTS contains multiple flags that must be word-split, so unquoted
usage is intentional. Added shellcheck directives to suppress false
positive warnings across all cloud provider common.sh files.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Changed trap commands from double quotes to single quotes so variables
expand at trap execution time instead of definition time. This prevents
security issues where variables could be tampered with between trap
definition and execution.
Fixed 3 instances:
- cli/install.sh (2 instances): trap 'rm -rf "$tmpdir"' EXIT
- test/run.sh (1 instance): trap 'cleanup' EXIT
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
The Node.js OAuth server handles its own HTTP response — the old
write_oauth_response_file and 3-arg start_oauth_server are gone.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Fixed broken variable assignment that was incorrectly split during
SC2155 refactoring. Properly split local declaration from command
substitution assignment.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Added shellcheck directive comments before first SSH_OPTS usage in:
- aws-lightsail/lib/common.sh
- gcp/lib/common.sh
- lambda/lib/common.sh
- vultr/lib/common.sh
- linode/lib/common.sh
- hetzner/lib/common.sh
- digitalocean/lib/common.sh
SSH_OPTS is defined in shared/common.sh but shellcheck can't detect
cross-file variable definitions, so we suppress the warning with
an explanatory comment.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
- Added validate_api_token() to block shell metacharacters
- Added validate_region_name() for cloud regions/zones
- Added validate_resource_name() for server types/sizes
- Added validated_read() wrapper function for easy validation
- Updated 6 cloud libraries to use validated API token input:
- Linode, Vultr, Hetzner, DigitalOcean, E2B, Lambda
- Prevents command injection via API tokens and other inputs
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Split all 16 instances of combined local declaration+assignment to
avoid masking return values. This is a mechanical refactor with no
logic changes.
Fixed lines: 219, 279, 283, 357, 363, 381, 385, 396, 408, 450, 618,
622, 623, 639, 664, 759
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
The nc (netcat) approach was fundamentally broken:
- macOS BSD nc has different flags than GNU nc
- nc handles exactly one connection — browsers send favicon, prefetch, etc.
- Pipe-based I/O has race conditions and blocks $() capture
- echo -e doesn't work on macOS bash 3.x for HTTP headers
Replace with Node.js http.createServer (via bun or node):
- Proper HTTP server handles multiple connections
- Parses URL query params correctly (no sed/grep on raw HTTP)
- Sends proper HTTP response with correct headers
- Gracefully ignores favicon/prefetch/extra requests
- Shuts itself down after receiving the callback code
- Works identically on macOS, Linux, and Termux
bun is already a dependency (installed by cloud-init), node is
available on most systems. Falls back to manual API key entry
if neither is available.
Co-authored-by: Sprite <noreply@sprite.dev>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Added shellcheck to catch bash anti-patterns across 115 scripts:
- Created .shellcheckrc configuration
- Added GitHub Actions workflow (.github/workflows/lint.yml)
- Documented shellcheck usage in README
Currently found 3,598 warnings (expected for unlinted codebase).
Using || true temporarily to not block PRs - warnings will be fixed
incrementally in follow-up tasks.
Common issues: SC2250 (missing braces), SC2162 (read without -r),
SC2312 (command substitution masking), SC1091 (sourcing pattern).
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
start_oauth_server was called inside $() to capture the PID, but the
backgrounded nc subshell inherited the $() stdout pipe. Since $()
waits for ALL writers to close, it blocked forever until nc exited
(which never happens — it's listening).
Fix: redirect the subshell's stdout/stderr to /dev/null so it doesn't
hold the pipe open. The PID echo still works because it runs in the
parent (after the & backgrounds the child).
Co-authored-by: Sprite <noreply@sprite.dev>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Round 6 completed 4 high/medium priority tasks:
- Added CLI documentation (366 lines)
- Added error handling and validation to TypeScript CLI
- Added comprehensive test suite (37 tests, ~75% coverage)
- Fixed bash safety flag consistency in cli/spawn.sh
Deferred 3 low-priority tasks (<15 score) as diminishing returns.
CLI is now production-ready with proper docs, tests, and error handling.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>