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Feat: add --fzf-command option to override FZF_DEFAULT_COMMAND #3599

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Feat: add --fzf-command option to override FZF_DEFAULT_COMMAND #3599

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52 changes: 42 additions & 10 deletions yazi-plugin/preset/plugins/fzf.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -8,16 +8,20 @@ local state = ya.sync(function()
return cx.active.current.cwd, selected
end)

function M:entry()
function M:entry(job)
ya.emit("escape", { visual = true })

local cwd, selected = state()
if cwd.scheme.is_virtual then
return ya.notify { title = "Fzf", content = "Not supported under virtual filesystems", timeout = 5, level = "warn" }
end

local default_cmd = M.parse_args(job and job.args or {})
if default_cmd == "" then
return ya.notify { title = "Fzf", content = "Missing string after --fzf-command", timeout = 5, level = "error" }
end
local permit = ui.hide()
local output, err = M.run_with(cwd, selected)
local output, err = M.run_with(cwd, selected, default_cmd)

permit:drop()
if not output then
Expand All @@ -37,22 +41,33 @@ end
---@param cwd Url
---@param selected Url[]
---@return string?, Error?
function M.run_with(cwd, selected)
local child, err = Command("fzf")
:arg("-m")
function M.run_with(cwd, selected, default_cmd)
local input = nil
local source = "stdin"
if #selected > 0 then
source = "selection"
input = ""
for _, u in ipairs(selected) do
input = input .. string.format("%s\n", u)
end
end

local cmd = Command("fzf"):arg("-m")
if default_cmd and #selected == 0 then
cmd:env("FZF_DEFAULT_COMMAND", default_cmd)
end
local child, err = cmd
:cwd(tostring(cwd))
:stdin(#selected > 0 and Command.PIPED or Command.INHERIT)
:stdin(input and Command.PIPED or Command.INHERIT)
:stdout(Command.PIPED)
:spawn()

if not child then
return nil, Err("Failed to start `fzf`, error: %s", err)
end

for _, u in ipairs(selected) do
child:write_all(string.format("%s\n", u))
end
if #selected > 0 then
if input then
child:write_all(input)
child:flush()
end

Expand All @@ -65,6 +80,23 @@ function M.run_with(cwd, selected)
return output.stdout, nil
end

function M.parse_args(args)
if not args then
return nil
end

local v = args.fzf_command or args["fzf-command"]
if type(v) == "string" then
return v
end

if v ~= nil then
return ""
end

return nil
end

function M.split_urls(cwd, output)
local t = {}
for line in output:gmatch("[^\r\n]+") do
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