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Change file name capitalization for Git on Mac

Sometimes, depending on the file system, Git may not pick up case changes in filenames. To fix this, do the following:

git mv OldFiLename.thing temp.file
git mv temp.file oldfilename.thing

Cherry picking a commit

git cherry-pick <commit id>

Count the number of lines changed

To count the number of lines added/edited between two commits or branches:

git diff --stat <commit or branch> <commit or branch>

Delete git branch (local and remote)

To delete the branch locally:

git branch -d branch_name

To delete the branch on the remote:

git push origin --delete <branch_name>
or git push origin :<branch_name> for older git

Diff two branches

git diff branch_1..branch_2

Git web interface

Git has a built-in web interface that can be started with the following:

git instaweb --httpd=webrick

Move a commit to another branch

To move the last commit(s) to another branch, first make a new branch (this will include the commits from the current branch):

git branch newbranch

Remove the unwanted commit(s) from the current branch (the command below just removes the latest commit):

git reset --hard HEAD^

To remove N commits, you can use:

git reset --hard HEAD~N

Now newbranch has the new commit(s) while the current branch no longer does.

Rebase on pull

git pull --rebase <remote> <branch>

Remove a staged file

git reset <filename>

Remove a submodule

To fully remove a submodule from a git repository:

# Remove from .gitmodules
git submodule deinit <submodule_name>

# Remove from repository
rm -rf .git/modules/<submodule_name>

For older versions of Git, you may need to do the following as well:

# Remove from config
git config --remove-section <submodule_name>

# Remove from working tree
git rm --cached <submodule_path>

Revert local branch back to remote branch

git fetch origin
git reset --hard origin/master

Squashing commits

Enter an interactive rebase session:

git rebase -i <commit id to start after>

In interactive mode, replace pick with squash for the commits to squash.

Undo the last commit

To undo the last commit, discarding the changes:

git reset --hard HEAD~1

To undo the last commit, keeping the changes:

git reset HEAD^
OR
git reset --soft HEAD~1