Once you have ported your module in Drupal 8 and have the code ready for D8, Then promote the D8 version in Drupal.org. Here we have the Detailed Information About The Porting A Module From Drupal 7 To 8

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Steps To Port Your Module In Drupal.org
When You Have the D8 Code Ready
Introduction
Once you have ported your module in Drupal 8 and have the code ready for D8, Then promote
the D8 version in Drupal.org. Here we have the detailed information about the porting a
module from drupal 7 to 8. Please follow the below steps to port.
1.Initial Steps
a. Identify the module to be ported in Drupal 8
For instance I’ve chosen the “YoutubeChannel” module on drupal 7.
i. Module URL
https://www.drupal.org/project/youtubechannel
b. Identify the owner of the project
i. First sign in to drupal.org

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ii. At the top of the module’s page you can find the Author Name
iii. Click the author name to know the full details about the author

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c. Identify whether the module is already ported or not
i. Goto the module page that is going to be ported in Drupal 8.
ii. It will display the version as 8.x if the module is ported in Drupal 8. If not, it is eligible to port
in Drupal 8. And Before proceeding to further steps we need to check whether any one is trying
to port.
iii. Note : check whether the module is already ported to Core or not

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iv. If the module is ported already in Drupal 8, Don’t worry there are tons of modules are
waiting for you to port.
v. Here the modules list to be shown by most download by the user. Check the list and get it
from one. (http://drupalmodules.com/top-downloads)
2. Porting The Module To Drupal 8
First we need to install the dreditor tool(Optional) in the browser (https://dreditor.org/)
Advantage of dreditor tool - Dreditor is a great community tool that assists with things like
patch reviews, and generally interacting with the Drupal.org issue queue.
a. Create an issue queue
Create the issue queue for the following URL
https://www.drupal.org/project/issues/search/contrib_tracker
i. Now click on create new issue link as shown in screenshot

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b. Status of the module and its content
Select the category, priority and status as shown in the screenshot

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Category -> Plan
priority -> Minor
status -> Active
c. Template for the issue Queue
We have a static template style for issue summary block
Reference URL : https://www.drupal.org/issue-queue/how-to
My Template : https://www.drupal.org/node/2573659

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If you have a file for drupal 8 then attach the file, otherwise you click on the save button.
3. Request The Author To Maintain The Module
Once created an issue send the request mail to owner(who developed the module) to add you
as a maintainer of that module.
a. Mail sample content
i. Goto top of the module page and click on the author name. It will display the contact
information of the author.
ii. Click the contact on top of the page

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iii. Now fill the subject and message text box.
iv. Sample content for message text.
Hi XYZ,
I would like to port your module YoutubeChannel
(https://www.drupal.org/project/youtubechannel) to Drupal 8. I have created a Issue Queue
for porting this module D8 port issue queue link (https://www.drupal.org/node/2677758).
kindly add me as a maintainer so that I can commit my initial work and we can combine and
work on the further tweaks. I have ported the module I will upload the code as a patch kindly
review it.

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Profile URL : https://www.drupal.org/u/jabastin.ameex
URL issue queue : Attach the issue queue for you are generated for
drupal8. https://www.drupal.org/node/2682735
My name : Jabastin Arul
User name : jabastin.ameex
4. Upload The Module As Patch
a. Clone the Drupal 7 module
i. At the top of the module’s page you can find the version control
ii. Click the version control, it will display the clone URL.

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iii. Navigate to the folder in which you wish to install the module and run the command
iv. Start working on the cloned files to port
b. Applying a patch
i. Create patch
1. After your changes done in drupal 8, create a patch.
Description -> Your patch description
Issue-number -> Your issue queue number(see the step 2.a)
Comment-number -> Your posting commend number
Ex: for comment-number please see the screenshot below (This is our issue queue command
number)

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ii. Applying a patch
1. After creating the patch then apply your patch to your selected module as shown in the
below screenshot.
After applying patch all the changes will be in your local. So push the changes into the
respective origin.(ex: git push origin your origin)
Conclusion
Drupal 7 have lot of modules. Those modules are till now not ported to Drupal 8. We need the
maintainer, Contributor to drupal 8 community. So this document may help you to port from
Drupal 7 to Drupal 8. And it's the best practice to you and your organization.
How We Can Help You?
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