fix: override options

[Peefy]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

fix: override options

2. What is the scope of this PR (e.g. component or file name):

• pkg/kcl/opt.go
• pkg/tools/override/override.go

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

• kclvm_test.go

[coveralls]

Pull Request Test Coverage Report for Build 6861728369

• 3 of 71 (4.23%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-1.1%) to 64.048%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/kcl/opt.go	3	14	21.43%
pkg/tools/override/override.go	0	57	0.0%

Totals
Change from base Build 6849129436:	-1.1%
Covered Lines:	2617
Relevant Lines:	4086

---

💛 - Coveralls