{ "checker": { "claims": [ { "claim": "The watchfiles CLI runs the given shell command when files in the watched directory change (command runs at startup; the 5 second timeout wrapper stops the watcher, exit 124)", "command": "timeout 5 'echo CHANGE-DETECTED' ", "evidence": "CHANGE-DETECTED\n[08:21:42] watchfiles v1.3.0 \ud83d\udc40 path=\"\" target=\"echo CHANGE-DETECTED\" (command) filter=DefaultFilter...\n[08:21:47] received signal 15, raising KeyboardInterrupt\n[08:21:47] KeyboardInterrupt caught, stopping watch\n[08:21:47] process already dead, exit code: 0\n", "expected": "the command output CHANGE-DETECTED is printed", "input": "watchfiles \"echo CHANGE-DETECTED\" ", "kind": "claim", "outcome": "Real input produced the expected result: CHANGE-DETECTED", "returncode": 124, "source": "watchfiles \"some command\" src", "source_checked": true, "source_file": "README.md", "verdict": "yes" } ], "cycle_checks": [ { "claim": "watchfiles CLI runs its target command once at startup and again on each file change", "command": " 'echo CHANGE-DETECTED' ", "evidence": "CHANGE-DETECTED\n[08:21:47] watchfiles v1.3.0 \ud83d\udc40 path=\"\" target=\"echo CHANGE-DETECTED\" (command) filter=DefaultFilter...\n[08:21:48] received signal 15, raising KeyboardInterrupt\n[08:21:48] KeyboardInterrupt caught, stopping watch\n[08:21:48] process already dead, exit code: 0", "expected": "the command runs once at start and prints CHANGE-DETECTED", "input": "watch-input directory with seed.txt", "kind": "cycle", "method": "run-once at startup; the file-change trigger was exercised manually with touch (see report)", "outcome": "Triggered one cycle by hand (run-once at startup; the file-change trigger was exercised manually with touch (see report); normal trigger: file-change loop (no timer)): CHANGE-DETECTED\n[08:21:47] watchfiles v1.3.0 \ud83d\udc40 path=\"\" target=\"echo CHANGE-DETECTED\" (command) filter=DefaultFilter...\n[08:21:48] received signal 15, raising KeyboardInterrupt\n[08:21:48] KeyboardInterrupt caught, stopping watch\n[08:21:48] process already dead, exit code: 0", "returncode": 0, "schedule": "file-change loop (no timer)", "source": "watchfiles/run.py", "verdict": "yes" } ], "details": { "argv": [ "", "echo CHANGE-DETECTED", "" ], "kind": "cli", "needs_browser": false, "needs_credentials": false, "returncode": 0, "scope": "product operation", "stderr": "[08:21:42] watchfiles v1.3.0 \ud83d\udc40 path=\"\" target=\"echo CHANGE-DETECTED\" (command) filter=DefaultFilter...\n[08:21:42] received signal 15, raising KeyboardInterrupt\n[08:21:42] KeyboardInterrupt caught, stopping watch\n[08:21:42] process already dead, exit code: 0", "stdout": "CHANGE-DETECTED", "working": true }, "evidence_strength": "readme_checked", "example_checks": [ { "claim": "Repository test suite runs via pytest (Makefile test target)", "command": " -m pytest -q -p no:cacheprovider", "deferred": false, "evidence": ".......................................s................................ [ 44%]\n...............s........................................................ [ 88%]\n................s. [100%]\nResults (4.66s):\n 159 passed\n 3 skipped\n)) event.kind=Access(Open(Any)) no change detected\nraw-event=Access(Open(Any)) event.kind=Access(Open) no change detected\n)) event.kind=Access(Open(Any)) no change detected\nraw-event=Access(Open(Any)) event.kind=Access(Open)) no change detected", "expected": "all tests pass", "input": "python -m pytest -q", "kind": "example", "outcome": "command completed successfully", "returncode": 0, "source": "Makefile: test: uv run coverage run -m pytest", "verdict": "yes" } ], "status": "PASS" }, "deviations": [ "System cargo 1.75 could not parse Cargo.lock (lock file version 4); installed Rust stable 1.99.1 via rustup into and used it on PATH.", "pip install of the README (PyPI) package was not used; the pinned source was built instead.", "Installed pytest, pytest-mock, pytest-pretty, pytest-timeout, coverage, dirty-equals, maturin into the venv to run the Makefile test target.", "Ran maturin develop (Makefile build-dev) so the compiled _rust_notify extension is in watchfiles/; without it the tests fail to import (ModuleNotFoundError).", "The CLI never exits on its own, so the README claim and the probe use a stays_running probe; the claim uses a 'timeout 5' wrapper (expected exit 124) because the checker's claim path cannot run a never-exiting process.", "Cycle: the file-change trigger was verified manually (write a file, watcher printed 'CHANGE-DETECTED' and '1 change detected'); the replayed cycle check only covers the run-once at startup.", "An early attempt to kill a stray watcher with pkill matched its own shell and killed it; a later stray process was cleaned up by PID." ], "fault_owner": null, "main_blocker": null, "operation": "Run the watchfiles CLI (watchfiles \"\" ) to execute a shell command, and rerun it on file changes; plus the repository pytest suite (Makefile test target).", "operation_scope": "Source snapshot pinned at 0cd8f94447a1c4a6d1b29f80e16274a7e1d68ebe, built locally with maturin into (Python 3.12.3). No browser needed. Watch path is ", "outcome": "working", "plain_failure": null, "steps": [ "Installed Rust stable via rustup (rustup-init from sh.rustup.rs) because the system cargo 1.75 cannot read Cargo.lock lockfile v4", "uv venv --python 3.12 ", "uv pip install --python . (failed first with cargo 1.75, succeeded with rustup stable)", "VIRTUAL_ENV= maturin develop --uv (Makefile build-dev target)", " --help", " \"echo CHANGE-DETECTED\" (prints CHANGE-DETECTED at start; a file write triggers another run)", " -m pytest -q (159 passed, 3 skipped)" ], "stuck_step": null, "suggested_fix": "None needed for the pinned source. Note for future runs: use Rust >= 1.8x toolchain for building from source, since Cargo.lock v4 is not readable by cargo 1.75." }