mirror: return err if specified latest not found when clone mirror

[nexustar]

What problem does this PR solve?

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

[codecov-commenter]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (3199925) 55.54% compared to head (4ffba5e) 55.36%.

❗ Current head 4ffba5e differs from pull request most recent head 1ec62a4. Consider uploading reports for the commit 1ec62a4 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2311      +/-   ##
==========================================
- Coverage   55.54%   55.36%   -0.18%     
==========================================
  Files         325      325              
  Lines       34726    34725       -1     
==========================================
- Hits        19288    19225      -63     
- Misses      13139    13202      +63     
+ Partials     2299     2298       -1     

Flag	Coverage Δ
cluster	44.67% <0.00%> (-0.22%)	⬇️
dm	25.46% <0.00%> (-0.05%)	⬇️
playground	15.25% <0.00%> (-0.02%)	⬇️
tiup	33.48% <0.00%> (+<0.01%)	⬆️
unittest	22.37% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
pkg/repository/clone_mirror.go	0.00% <0.00%> (ø)

... and 9 files with indirect coverage changes

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[kaaaaaaang]

/lgtm

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-13 09:11:23.098516398 +0000 UTC m=+4067480.685626542: ☑️ agreed by kaaaaaaang.

[kaaaaaaang]

/approve

[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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