evaluator: fix build script lookup

[DavidKorczynski]

No description provided.

[DavidKorczynski]

Following the change here https://github.com/google/oss-fuzz-gen/pull/623/files#diff-cc74274207721385b333564f0db8639bd5acf97ee8830228c2b7eccec65e23c1R238 when the existing call to create_ossfuzz_project

oss-fuzz-gen/experiment/evaluator.py

Line 359 in a90775e

self.create_ossfuzz_project(generated_oss_fuzz_project, target_path)

calls the function, then a FileNotFoundError will be thrown here:

oss-fuzz-gen/experiment/evaluator.py

Line 264 in a90775e

if os.path.getsize(build_script_path) == 0:

This fixes it

[DavidKorczynski]

/gcbrun exp -n d-cov-152 -b minor-for-ci -ns 2 -rdn

[DavidKorczynski]

/gcbrun exp -n d-cov-153 -b minor-for-ci -ns 2 -rd

[DavidKorczynski]

Experiment looks good: https://llm-exp.oss-fuzz.com/Result-reports/ofg-pr/2024-10-02-659-d-cov-153-minor-for-ci/index.html

[arthurscchan]

Remark: if build_script_path not exist, this line could still throw an error.

[DavidKorczynski]

Remark: if build_script_path not exist, this line could still throw an error.

Yeah, I assume we want a hard exit in this case, so it's intentional