Autofix a patch with a single sniff.

autofix-patch.sh

#!/bin/bash

# Change to the root directory.
cd $(git rev-parse --show-toplevel)

# A single argument should be provided: The path to the local patch file.
PATCH_RESULTS=$(grunt patch:$1)

# Detect a patch failure and exit.
if [ "$PATCH_RESULTS" == '*HUNK failed*' ] || [ "$PATCH_RESULTS" == '*unexpected*' ]; then
    echo "Patch needs manual refresh. Add the 'needs-refresh' keyword to the ticket."
    
    # Delete .orig files.
    find . -name "*.orig" -type f -delete
    
    # Delete .rej files.
    find . -name "*.rej" -type f -delete
    
    # Restore the working tree.
    git restore .
    
    exit 0
fi

# Add the standard. dealerdirect/phpcodesniffer-composer-installer automatically adds this to "installed_paths".
yes | composer require slevomat/coding-standard --dev

# Run the relevant autofix against the changed patch files.
vendor/bin/phpcbf $(git diff --name-only) --standard=SlevomatCodingStandard --sniffs=SlevomatCodingStandard.ControlStructures.DisallowYodaComparison

# Remove the standard before updating the patch file (clears composer.json changes from the working tree).
yes | composer remove slevomat/coding-standard --dev

# Update the patch file.
git diff > $1