chore: Checking ShellCheck errors and applying relevant fixes

[OpinionatedHeron]

Description

Reviewing ShellCheck errors that appear in Code Scanning. Searching and reviewing that error and making changes to the code, if relevant and necessary to do so. Testing the changes by re-running the shellcheck and ensuring that no other errors appear when checking.

Which issue(s) does this PR fix or relate to

• Fixes - RHIDP-6780

PR acceptance criteria

• Tests
• Documentation

How to test changes / Special notes to the reviewer

Summary by Sourcery

Enhancements:

• Quote the to_host variable assignment in db_copy.sh to address ShellCheck warnings and ensure proper string handling

[sourcery-ai]

Reviewer's Guide

This PR addresses a ShellCheck warning by quoting the to_host variable value in the db_copy.sh script to ensure proper parsing and prevent word splitting.

File-Level Changes

Change	Details	Files
Quoted the to_host variable assignment to satisfy ShellCheck and avoid splitting	Wrapped the placeholder in double quotes for the to_host assignment	hack/db_copy.sh

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[sourcery-ai]

Hey @OpinionatedHeron - I've reviewed your changes and they look great!

Prompt for AI Agents

Please address the comments from this code review:
## Individual Comments

### Comment 1
<location> `hack/db_copy.sh:3` </location>
<code_context>
 #!/bin/bash

-to_host=<db-service-host>
+to_host="<db-service-host>"
 to_port=5432
 to_user=postgres
</code_context>

<issue_to_address>
Quoting the variable assignment improves safety for special characters.

Quoting prevents issues with spaces or special characters in the value, which is recommended in shell scripts.
</issue_to_address>

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[rm3l]

Suggested change

	local dest_image
	dest_image=$(replaceInternalRegIfNeeded "$1")
	src_image=$(replaceInternalRegIfNeeded "$1")

I meant not using dest_image at all, since it is not needed.

[rm3l]

Thanks @OpinionatedHeron !!

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gazarenkov, rm3l

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Details

Needs approval from an approver in each of these files:

• OWNERS [gazarenkov,rm3l]

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