tiup: fix cannot clone without global version

[nexustar]

What problem does this PR solve?

• fix “no version specified“ when clone without global version #2336

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[kaaaaaaang]

/lgtm

[kaaaaaaang]

/approve

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-01-10 17:26:36.730336162 +0000 UTC m=+464186.314589856: ☑️ agreed by kaaaaaaang.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kaaaaaaang

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• OWNERS [kaaaaaaang]

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3b246a3) 55.43% compared to head (24e3190) 35.75%.

❗ Current head 24e3190 differs from pull request most recent head c4c6113. Consider uploading reports for the commit c4c6113 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #2359       +/-   ##
===========================================
- Coverage   55.43%   35.75%   -19.68%     
===========================================
  Files         329      251       -78     
  Lines       34841    27429     -7412     
===========================================
- Hits        19314     9807     -9507     
- Misses      13216    16342     +3126     
+ Partials     2311     1280     -1031     

Flag	Coverage Δ
cluster	35.75% <ø> (-9.00%)	⬇️
dm	?
playground	?
tiup	?
unittest	?

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