Session management ala Startify

[dathinaios]

Contributing guidelines

• [X] I have read CONTRIBUTING.md
• [X] I have read CODE_OF_CONDUCT.md

Module(s)

mini.sessions

Description

Coming from Startify I am used to saving and loading sessions using the commands SSave and SLoad which were really convenient including knowing the available sessions on TAB. How is that to be done with mini.sessions. If it is not built in how do I get this functionality?

Thank you for the useful plugin 🙂

[dathinaios]

Ok, I see that this is simply a matter of using mks! ~/.dotfiles/dotvim/sessions/ (that is just where I personally keep my sessions) to save and so ~/.dotfiles/dotvim/sessions/<Session name> to recall. Simple enough to define some mapping for this but it would be nice to have an MSSave, MSLoad etc. command. My instinct was to search with telescope on all commands for "session" and it would be nice to have found all that directly.

[echasnovski]

You have two ways:

• Manual use of lua MiniSessions.write(<session file name>) and lua MiniSessions.read(<session file name>) as SSave and SLoad versions. With this you have to supply manually session file name without any completion. Example: :lua MiniSessions.write('nvim-convig').
• Interactive use with lua MiniSessions.select(<action name>). It is using overridable vim.ui.select(). Example: :lua MiniSessions.select('read').

As a general principle 'mini.nvim' does not supply any Neovim commands. Each module creates a global Lua object (MiniSessions for 'mini.sessions') which can be used with :lua MiniSessions....

[dathinaios]

Thank you! The .select approach is quite elegant. I mapped it to a key and I am getting the selection window but when I hit <CR> to action it, it throws an error:

E5108: Error executing lua ...m/site/pack/packer/start/mini.nvim/lua/mini/sessions.lua:577: (mini.sessions) There are unsaved buffers: 44.
stack traceback:
        [C]: in function 'error'
        ...m/site/pack/packer/start/mini.nvim/lua/mini/sessions.lua:577: in function 'error'
        ...m/site/pack/packer/start/mini.nvim/lua/mini/sessions.lua:182: in function <...m/site/pack/packer/start/mini.nvim/lua/mini/sessions.lua:154>
        ...m/site/pack/packer/start/mini.nvim/lua/mini/sessions.lua:371: in function 'on_choice'
        ...e-ui-select.nvim/lua/telescope/_extensions/ui-select.lua:122: in function 'run_replace_or_original'
        ...packer/start/telescope.nvim/lua/telescope/actions/mt.lua:65: in function 'key_func'
        ...k/packer/start/telescope.nvim/lua/telescope/mappings.lua:242: in function 'execute_keymap'
        [string ":lua"]:1: in main chunk

My mapping is simply:

  nmap <Leader>:sl :lua MiniSessions.select('read')<CR>
  nmap <Leader>:ss :lua MiniSessions.select('write')<CR>
  nmap <Leader>:sd :lua MiniSessions.select('delete')<CR>

I do have a workaround so no big deal. Here it is for reference:

  nmap <Leader>:ss :mks! ~/.dotfiles/dotvim/sessions/
  nmap <Leader>:sl :so ~/.dotfiles/dotvim/sessions/
  nmap <Leader>:sd :!rm ~/.dotfiles/dotvim/sessions/

and then I just hit <TAB>.

[echasnovski]

Well, error message says it all. You have unsaved buffer number 44. By default, MiniSessions.read() doesn't work if there is at least one unsaved buffer. That is something 'vim-startify' does, if I remember correctly. To ignore that, set force option to true: either in config.force.read inside setup() or as extra argument to select().

[dathinaios]

Indeed, but I don't have any unsaved buffers. I use auto-save + unlimited undo so that never happens. I did double check though just in case though and the error persists.

[echasnovski]

That is very strange. I can reproduce this issue only if there is unsaved buffer. How did you check for unsaved buffers? I recommend using :bmodified!: in case of no modified buffers it gives a E84: No modified buffer found.

If indeed no unsaved buffers, I would be grateful if you come up with reproducible example for this and create an issue.

[dathinaios]

Yes, it does return E84: No modified buffer found. I will create an issue though not sure what a reproducible example would be. All I am doing is trying to use lua MiniSessions.select('read') and lua MiniSessions.select('write').

[dathinaios]

I created issue #71. Seems to be related to Telescope.