8000 mini.nvim/lua/mini/sessions.lua at main · aidancz/mini.nvim · GitHub
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sessions.lua

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H.get_this_session = function() return H.fs_normalize(vim.v.this_session) end
H.name_to_path = function(session_name)
if session_name == nil then
local this_session = H.get_this_session()
if this_session == '' then H.error('There is no active session. Supply non-nil session name.') end
return this_session
end
session_name = tostring(session_name)
if session_name == '' then H.error('Supply non-empty session name.') end
local session_dir = (session_name == MiniSessions.config.file) and vim.fn.getcwd() or MiniSessions.config.directory
return H.full_path(session_dir .. '/' .. session_name)
end
-- Utilities ------------------------------------------------------------------
H.echo = function(msg, is_important)
-- Construct message chunks
msg = type(msg) == 'string' and { { msg } } or msg
table.insert(msg, 1, { '(mini.sessions) ', 'WarningMsg' })
-- Avoid hit-enter-prompt
local max_width = vim.o.columns * math.max(vim.o.cmdheight - 1, 0) + vim.v.echospace
local chunks, tot_width = {}, 0
for _, ch in ipairs(msg) do
local new_ch = { vim.fn.strcharpart(ch[1], 0, max_width - tot_width), ch[2] }
table.insert(chunks, new_ch)
tot_width = tot_width + vim.fn.strdisplaywidth(new_ch[1])
if tot_width >= max_width then break end
end
-- Echo. Force redraw to ensure that it is effective (`:h echo-redraw`)
vim.cmd([[echo '' | redraw]])
vim.api.nvim_echo(chunks, is_important, {})
end
H.message = function(msg) H.echo(msg, true) end
H.error = function(msg) error(('(mini.sessions) %s'):format(msg)) end
H.default_opts = function(action)
local config = MiniSessions.config
return {
force = config.force[action],
verbose = config.verbose[action],
hooks = { pre = config.hooks.pre[action], post = config.hooks.post[action] },
}
end
H.is_readable_file = function(path) return vim.fn.isdirectory(path) ~= 1 and vim.fn.getfperm(path):sub(1, 1) == 'r' end
H.fs_normalize = vim.fs.normalize
if vim.fn.has('nvim-0.9') == 0 then
H.fs_normalize = function(...) return vim.fs.normalize(...):gsub('(.)/+$', '%1') end
end
H.full_path = function(path) return H.fs_normalize(vim.fn.resolve(vim.fn.fnamemodify(path, ':p'))) end
H.is_something_shown = function()
-- Don't autoread session if Neovim is opened to show something. That is
-- when at least one of the following is true:
-- - There are files in arguments (like `nvim foo.txt` with new file).
if vim.fn.argc() > 0 then return true end
-- - Several buffers are listed (like session with placeholder buffers). That
-- means unlisted buffers (like from `nvim-tree`) don't affect decision.
local listed_buffers = vim.tbl_filter(
function(buf_id) return vim.fn.buflisted(buf_id) == 1 end,
vim.api.nvim_list_bufs()
)
if #listed_buffers > 1 then return true end
-- - Current buffer is meant to show something else
if vim.bo.filetype ~= '' then return true end
-- - Current buffer has any lines (something opened explicitly).
-- NOTE: Usage of `line2byte(line('$') + 1) < 0` seemed to be fine, but it
-- doesn't work if some automated changed was made to buffer while leaving it
-- empty (returns 2 instead of -1). This was also the reason of not being
-- able to test with child Neovim process from 'tests/helpers'.
local n_lines = vim.api.nvim_buf_line_count(0)
if n_lines > 1 then return true end
local first_line = vim.api.nvim_buf_get_lines(0, 0, 1, true)[1]
if string.len(first_line) > 0 then return true end
return false
end
H.possibly_execute = function(f, ...)
if f == nil then return end
return f(...)
end
return MiniSessions
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