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--[[
Based on https://github.com/peaceant/vis-fzf-mru
Changes made:
- stylua
- renamed module to M
- renamed fzfmru to fzf
- height to 40%
- use XDG_CACHE_HOME
- ignore exit code 130
--]]
local M = {}
M.fzf_filepath = (os.getenv("XDG_CACHE_HOME") or (os.getenv("HOME") .. "/.local/share")).. "/vis-fzf-mru"
M.fzf_path = "fzf"
M.fzf_args = "--height=40%"
M.fzf_history = 20
local function read_mru()
local mru = {}
local f = io.open(M.fzf_filepath)
if f == nil then return end
for line in f:lines() do table.insert(mru, line) end
f:close()
return mru
end
local function write_mru(win)
local file_path = win.file.path
local mru = read_mru()
-- check if mru data exists
if mru == nil then mru = {} end
-- check if we opened any file
if file_path == nil then return end
-- check duplicate
if file_path == mru[1] then return end
local f = io.open(M.fzf_filepath, "w+")
if f == nil then return end
table.insert(mru, 1, file_path)
for i, k in ipairs(mru) do
if i > M.fzf_history then break end
if i == 1 or k ~= file_path then
f:write(string.format("%s\n", k))
end
end
f:close()
end
vis.events.subscribe(vis.events.WIN_OPEN, write_mru)
vis:command_register("fzfmru", function(argv)
local command = "cat " .. M.fzf_filepath .. " | " ..
M.fzf_path .. " " .. M.fzf_args .. " " ..
table.concat(argv, " ")
local file = io.popen(command)
local output = file:read()
local _, _, status = file:close()
if status == 0 then
vis:command(string.format("e '%s'", output))
elseif status == 1 then
vis:info(string.format(
"fzf-open: No match. Command %s exited with return value %i.",
command, status))
elseif status == 2 then
vis:info(string.format(
"fzf-open: Error. Command %s exited with return value %i.",
command, status))
elseif status ~= 130 then
vis:info(string.format(
"fzf-open: Unknown exit status %i. command %s exited with return value %i",
status, command, status, status))
end
vis:redraw()
return true
end)
return M
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