Make jumplist behave like stack?

Question

I use CTRL-O and CTRL-I heavily to move between previously visited positions. These commands rely on the jumplist.

It makes sense to me to visualize the jumplist as a stack of my position history. Thus, I'm surprised that the jumplist is effectively indexed by file and line number, which you can deduce from the vim docs.

In motion.txt:

If the same line was already in the jump list, it is removed. The result is that when repeating CTRL-O you will get back to old positions only once.

It's a bit annoying to me because it doesn't preserve the exact history. Maybe I'm not conceptualizing the feature as intended. My questions:

1. Is there a way to customize this behaviour?
2. More importantly to me, what's the reason it was implemented this way?

Example

Take some file with >= 3 lines, do the following movement commands, and view the line numbers in the jumplist.

1G
2G
3G
2G
G "some movement to persist the last jump to the jumplist

Expected

1
2
3
2

Actual

1
3
2

Answer 1

The 'jumpoptions' option is not yet supported in Vim (it is only supported in Neovim). The following pull request was created to add this support:

https://github.com/vim/vim/pull/7738

But this is not merged (refer to the the discussion in the PR).

Answer 2

I think the jumpoptions is the setting which you're looking for. Put the following into your vimrc/init.vim:

set jumpoptions=stack

For more information, take a look into :h 'jumpoptions'.