This blog post is a HOWTO guide for using github while collaborating during hackathons. It does not cover git in detail.
One time setup
This setup ensures password-less (code) pull and push from github.
Per project setup
Create a repo on github by submitting form at https://github.com/new
Clone the repo locally using
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This URL is mentioned on the bottom right side of the repo page. Note: It’s recommended to use the above style (SSH) instead of the HTTPS style so that, future submissions do not require retyping password.
This will clone the (empty) repo into <reponame> directory.
After “cd"ing that directory, you will be working on the master branch.
Change to a new branch say user1 using
Note: “-b” creates a branch and checks it out. If branch already exists, the command will fail, remove “-b” to check out (work on) that branch.
To see which branch you are currently and how much its modified use,
Now modify the files.
To add a new file, after creating the file, do
To remove a file, do
All the changes made till this point are uncommitted, to see what changes will be committed in next commit, use
and
Once the changes look good, commit them using
Now, the changes have been committed locally to user1 branch, to push the changes back to remote server (github), use
Now the changes have been pushed to user1 branch on github server. Merge them by creating a pull request using master as base and user1 as branch to be merged.
Step 13 can fail master has changed since the last time user1 was updated with master (in step 5). A fix for that is to execute following command before doing git push (step 12).
In case of merge conflicts, this pull will produce files which had merge conflicts, review them looking for conflict markers ("««”, “»»”) and merge the code manually. After than perform another commit using git commit and continue from step 12.
Some more productivity tools focused on git
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