copy any additional xml files in case into clone

[jedwards4b]

Copy any additional xml files from case to clone.

Test suite:
Test baseline:
Test namelist changes:
Test status:

Fixes #4794

User interface changes?:

Update gh-pages html (Y/N)?:

[Copilot]

Pull Request Overview

This PR enhances the case cloning process by automatically copying any additional .xml files from the source case directory into the new clone.

• Introduces a glob-based scan for all .xml files in the original case directory.
• Copies any missing XML files into the cloned case using safe_copy.
• Ensures existing files are not overwritten.

Comments suppressed due to low confidence (4)

CIME/case/case_clone.py:171

• [nitpick] The variable name files is very generic; consider renaming it to xml_files to clearly convey its purpose.

        files = glob.glob(cloneroot + "/*.xml")

CIME/case/case_clone.py:172

• [nitpick] Rename item to xml_file or file_path to better indicate that it represents the path to an XML file.

        for item in files:

CIME/case/case_clone.py:170

• Add unit or integration tests to verify that this new XML copying logic correctly detects and copies additional XML files during case cloning.

        # if any other xml files exist in case directory copy them

CIME/case/case_clone.py:174

• [nitpick] Consider adding a log or print statement here to report which XML files are being copied, improving visibility of the clone process.

                safe_copy(item, newcaseroot)

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[mnlevy1981]

Verified that create_clone in cesm3_0_beta06 does not copy env_postprocessing.xml but updating CIME to this branch does (and all env_*.xml files look correct in the new clone). Thanks!