Refactor shell script to enhance variable scoping and security #94
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This commit improves the Bash script by introducing the following changes: 1. **Variable Scoping**: Variables within the `failed` function are now declared with `local`. This change confines their scope to the function itself, preventing them from affecting the global environment or interfering with other scripts that might source this file. 2. **Variable Quoting**: All variable expansions have been quoted properly. This enhancement prevents issues related to word splitting and globbing, which are common sources of bugs in shell scripts, especially when variables may contain spaces or special shell characters. These modifications enhance the robustness, readability, and maintainability of the script, ensuring that it adheres to best practices for shell scripting. These changes are particularly crucial for scripts that handle important system functions and configuration settings, as they reduce the risk of unintended side effects and security vulnerabilities.
|
changes make sense to me |
axtloss
approved these changes
Apr 17, 2024
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This commit improves the Bash script by introducing the following changes:
Variable Scoping: Variables within the
failedfunction are now declared withlocal. This change confines their scope to the function itself, preventing them from affecting the global environment or interfering with other scripts that might source this file.Variable Quoting: All variable expansions have been quoted properly. This enhancement prevents issues related to word splitting and globbing, which are common sources of bugs in shell scripts, especially when variables may contain spaces or special shell characters.
These modifications enhance the robustness, readability, and maintainability of the script, ensuring that it adheres to best practices for shell scripting. These changes are particularly crucial for scripts that handle important system functions and configuration settings, as they reduce the risk of unintended side effects and security vulnerabilities.