[PRETEST1]: Initial changes for adding support to clone bare repo

[Manoramsharma]

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

• N
• Y

re #384

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

pkg/git/git.go
pkg/git/git_test.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

This PR is an initial step to add ability of current git module of kpm to support bare repository clone feature. Currently I am not sure about the packages/ dependencies that need to be cloned as bare or not-bare repositories just tried extend pkg/git/git.go

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

• N
• Y

The current changes lead to failure of NewCloneOptions functions across the cmd package because I need guidance on changing the value of isBare flag as its now been added as a new cloning option.

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

[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

[Manoramsharma]

I have read the CLA Document and I hereby sign the CLA

[coveralls]

Pull Request Test Coverage Report for Build 10112491851

Details

• 5 of 19 (26.32%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.04%) to 39.805%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/git/git.go	5	19	26.32%

Files with Coverage Reduction	New Missed Lines	%
pkg/git/git.go	1	44.77%

Totals
Change from base Build 10058151265:	-0.04%
Covered Lines:	3061
Relevant Lines:	7690

---

💛 - Coveralls