Entering insert mode automatically when editing git commit messages

Question

If I do a git commit, when Vim opens, I want to be in insert mode straight away.

I noticed that the filetype is set to gitcommit w

Answer 1

An alternate approach:

export GIT_EDITOR='vim +startinsert'

or add ! in the end to start from the end of message (useful, when using git hooks for message completion)

export GIT_EDITOR='vim +startinsert!'