config:set fails with JSON values

[MichaelThessel]

Preconditions (*)

1. 2.3.1

Steps to reproduce (*)

1. Try to set a config value for a config option that uses JSON values via the command line cli
2. i.e.: bin/magento config:set --scope default cataloginventory/item_options/min_sale_qty '{"_q0efyLTwddknOffVxvtSNpjQYmv9eAe9":{"customer_group_id":32000,"min_sale_qty":1}}' --lock-config

Expected result (*)

1. Config is set to provided value

Actual result (*)

1. Config is set to empty value.
2. In the example above:

diff --git a/app/etc/config.php b/app/etc/config.php
index f3da38ee..34f30164 100644
--- a/app/etc/config.php
+++ b/app/etc/config.php
@@ -229,5 +229,15 @@ return [
         'Magento_WishlistGraphQl' => 1,
         'Temando_Shipping' => 1,
         'Vertex_Tax' => 1
+    ],
+    'system' => [
+        'default' => [
+            'cataloginventory' => [
+                'item_options' => [
+                    'min_sale_qty' => '',
+                ]
+            ]
+        ]
     ]
 ];

[m2-assistant]

Hi @MichaelThessel. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

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• Information on your environment
• Steps to reproduce
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Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento-engcom-team give me 2.3-develop instance - upcoming 2.3.x release

For more details, please, review the Magento Contributor Assistant documentation.

@MichaelThessel do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[m2-assistant]

Hi @kalpmehta. Thank you for working on this issue.
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[kalpmehta]

@magento-engcom-team give me 2.3-develop instance

[magento-engcom-team]

Hi @kalpmehta. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @kalpmehta, here is your Magento instance.
Admin access: https://i-22396-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[kalpmehta]

@MichaelThessel The value should be given like below I think but still it's not working for me as well.

bin/magento config:set --scope default cataloginventory/item_options/min_sale_qty '{"32000":1}' --lock-config

[magento-engcom-team]

✅ Confirmed by @kalpmehta
Thank you for verifying the issue. Based on the provided information internal tickets MAGETWO-99255 were created

Issue Available: @kalpmehta, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.