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step1) Add the file you want to modify:: git add vendor/magento/module-customer/Block/CustomerData.php -f

step2) make changes to original file vendor/magento/module-customer/Block/CustomerData.php

step3) git diff vendor/magento/module-customer/Block/CustomerData.php > yourPatchName.patch

step3) you will get the patch file(yourPatchName.patch) in root directory

step4) remove the changes you added to the original file(vendor/magento/module-customer/Block/CustomerData.php) manullay by using ctrl+z

step5) apply the patch using :: git apply yourPatchName.patch you will notice the changes in original file

1. Add the file you want to modify::

   git add vendor/magento/module-customer/Block/CustomerData.php -f

2. make changes to the original file

   vendor/magento/module-customer/Block/CustomerData.php

3. git diff

   vendor/magento/module-customer/Block/CustomerData.php > yourPatchName.patch

4. you will get the patch file (yourPatchName.patch) in the root directory

5. remove the changes you added to the original file manually by using ctrl+z

   vendor/magento/module-customer/Block/CustomerData.php

6. apply the patch using::

   git apply yourPatchName.patch

you will notice the changes in the original file

step1) Add the file you want to modify:: git add vendor/magento/module-customer/Block/CustomerData.php -f

step2) make changes to original file

step3) git diff vendor/magento/module-customer/Block/CustomerData.php > yourPatchName.patch

step3) you will get the patch file(yourPatchName.patch) in root directory

step4) remove the changes you added to the original file(vendor/magento/module-customer/Block/CustomerData.php) manullay by using ctrl+z

step5) apply the patch using :: git apply yourPatchName.patch you will notice the changes in original file

step1) Add the file you want to modify:: git add vendor/magento/module-customer/Block/CustomerData.php -f

step2) make changes to original file vendor/magento/module-customer/Block/CustomerData.php

step3) git diff vendor/magento/module-customer/Block/CustomerData.php > yourPatchName.patch

step3) you will get the patch file(yourPatchName.patch) in root directory

step4) remove the changes you added to the original file(vendor/magento/module-customer/Block/CustomerData.php) manullay by using ctrl+z

step5) apply the patch using :: git apply yourPatchName.patch you will notice the changes in original file

step1) Add the file you want to modify:: git add vendor/magento/module-customer/Block/CustomerData.php -f

step2) make changes to original file

step3) git diff vendor/magento/module-customer/Block/CustomerData.php > yourPatchName.patch

step3) you will get the patch file(yourPatchName.patch) in root directory

step4) remove the changes you add to the file(vendor/magento/module-customer/Block/CustomerData.php) manullay by using ctrl+z

step5) apply the patch using :: git apply yourPatchName.patch you will notice the changes in original file

step1) Add the file you want to modify:: git add vendor/magento/module-customer/Block/CustomerData.php -f

step2) make changes to original file

step3) git diff vendor/magento/module-customer/Block/CustomerData.php > yourPatchName.patch

step3) you will get the patch file(yourPatchName.patch) in root directory

step4) remove the changes you added to the original file(vendor/magento/module-customer/Block/CustomerData.php) manullay by using ctrl+z

step5) apply the patch using :: git apply yourPatchName.patch you will notice the changes in original file