[InvalidArgumentException] A patch with the same "Description" already exists

Problem/Motivation

Error when adding 2 patches. See steps to reproduce below.

5ea8fceb91e2c9e5a916581b# /bin/sh -c cd "${DOCROOT}" && composer patch-enable --file='patches.json'

The composer patches file was created.

The composer patches functionality was enabled successfully.

5ea8fceb91e2c9e5a916581b# /bin/sh -c cd "${DOCROOT}" && composer patch-add drupal/views_accordion "STM patch 1588133074" "https://www.drupal.org/files/issues/2020-03-21/3100388-3.patch"

The patch was successfully added.

Gathering patches from patch file.

> Drupal\Composer\Composer::ensureComposerVersion

5ea8fceb91e2c9e5a916581b# /bin/sh -c cd "${DOCROOT}" && composer patch-add drupal/views_accordion "STM patch 1588133074" "https://www.drupal.org/files/issues/2020-01-30/3091388-6.patch"

[InvalidArgumentException] A patch with the same "Description" already exists.

patch-add [--no-update] [--no-dev] [--]

Steps to reproduce

1. Go to https://simplytest.me/
2. Open "Advanced options"
3. Type "views_accordion" for "Enter a project name" text field
4. Click "Add an additional project" button
5. Type "upgrade_status" into text field
6. Click "Add a patch" button
7. Copy/paste the first patch file URL: https://www.drupal.org/files/issues/2020-03-21/3100388-3.patch
8. Click "Add a patch" button again
9. Copy/paste the second patch file URL: https://www.drupal.org/files/issues/2020-01-30/3091388-6.patch
10. Click "Launch sandbox" button
11. Wait for simplytest.me to finish installing
12. Error :(

Proposed resolution

Fix it :)

Remaining tasks

• Debug
• Fix
• Review
• Test
• Deploy

User interface changes

N/A

API changes

N/A

Data model changes

N/A

Release notes snippet

N/A