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218 lines
6.2 KiB
Lua
218 lines
6.2 KiB
Lua
local path = require "fzf-lua.path"
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local utils = require "fzf-lua.utils"
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local helpers = require("fzf.helpers")
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local previewer_base = require "fzf-lua.previewer"
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local raw_action = require("fzf.actions").raw_action
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local Previewer = {}
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Previewer.base = {}
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Previewer.head = {}
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Previewer.cmd = {}
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Previewer.bat = {}
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Previewer.cmd_async = {}
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Previewer.bat_async = {}
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Previewer.git_diff = {}
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Previewer.man_pages = {}
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Previewer.buffer = {}
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-- Constructors call on Previewer.<o>()
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for c, _ in pairs(Previewer) do
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setmetatable(Previewer[c], {
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__call = function (cls, ...)
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return cls:new(...)
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end,
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})
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end
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-- Previewer base object
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function Previewer.base:new(o, opts)
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self = setmetatable(previewer_base(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, previewer_base
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)})
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self.type = "cmd";
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return self
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end
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function Previewer.base:preview_window(_)
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return nil
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end
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-- Generic shell command previewer
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function Previewer.cmd:new(o, opts)
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self = setmetatable(Previewer.base(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, Previewer.base
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)})
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return self
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end
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function Previewer.cmd:cmdline(o)
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o = o or {}
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o.action = o.action or self:action(o)
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return vim.fn.shellescape(string.format('sh -c "%s %s `%s`"',
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self.cmd, self.args, o.action))
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end
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function Previewer.cmd:action(o)
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o = o or {}
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local filespec = "{}"
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if self.opts._line_placeholder then
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filespec = "{1}"
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end
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local act = raw_action(function (items, fzf_lines, _)
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-- only preview first item
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local file = path.entry_to_file(items[1], not self.relative and self.opts.cwd)
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return file.path
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end, filespec)
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return act
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end
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-- Specialized bat previewer
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function Previewer.bat:new(o, opts)
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self = setmetatable(Previewer.cmd(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, Previewer.cmd, Previewer.base
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)})
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self.theme = o.theme
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return self
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end
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function Previewer.bat:cmdline(o)
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o = o or {}
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o.action = o.action or self:action(o)
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local highlight_line = ""
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if self.opts._line_placeholder then
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highlight_line = string.format("--highlight-line={%d}", self.opts._line_placeholder)
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end
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return vim.fn.shellescape(string.format('sh -c "%s %s %s `%s`"',
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self.cmd, self.args, highlight_line, self:action(o)))
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end
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-- Specialized head previewer
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function Previewer.head:new(o, opts)
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self = setmetatable(Previewer.cmd(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, Previewer.cmd, Previewer.base
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)})
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self.theme = o.theme
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return self
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end
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function Previewer.head:cmdline(o)
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o = o or {}
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o.action = o.action or self:action(o)
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local lines = ""
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if self.opts._line_placeholder then
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lines = string.format("--lines={%d}", self.opts._line_placeholder)
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end
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return vim.fn.shellescape(string.format('sh -c "%s %s %s `%s`"',
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self.cmd, self.args, lines, self:action(o)))
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end
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-- new async_action from nvim-fzf
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function Previewer.cmd_async:new(o, opts)
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self = setmetatable(Previewer.base(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, Previewer.base
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)})
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return self
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end
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function Previewer.cmd_async:cmdline(o)
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o = o or {}
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local act = helpers.choices_to_shell_cmd_previewer(function(items)
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local file = path.entry_to_file(items[1], not self.relative and self.opts.cwd)
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local cmd = string.format('%s %s %s', self.cmd, self.args, vim.fn.shellescape(file.path))
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-- uncomment to see the command in the preview window
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-- cmd = vim.fn.shellescape(cmd)
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return cmd
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end, "{}")
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return act
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end
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function Previewer.bat_async:new(o, opts)
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self = setmetatable(Previewer.cmd_async(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, Previewer.cmd_async, Previewer.base
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)})
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self.theme = o.theme
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return self
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end
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function Previewer.bat_async:cmdline(o)
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o = o or {}
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local highlight_line = ""
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if self.opts._line_placeholder then
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highlight_line = string.format("--highlight-line=", self.opts._line_placeholder)
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end
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local act = helpers.choices_to_shell_cmd_previewer(function(items)
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local file = path.entry_to_file(items[1], not self.relative and self.opts.cwd)
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local cmd = string.format('%s %s %s%s "%s"',
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self.cmd, self.args,
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highlight_line,
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utils._if(#highlight_line>0, tostring(file.line), ""),
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file.path)
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-- uncomment to see the command in the preview window
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-- cmd = vim.fn.shellescape(cmd)
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return cmd
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end, "{}")
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return act
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end
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function Previewer.git_diff:new(o, opts)
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self = setmetatable(Previewer.cmd_async(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, Previewer.cmd_async, Previewer.base
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)})
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self.cmd = path.git_cwd(self.cmd, opts.cwd)
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return self
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end
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function Previewer.git_diff:cmdline(o)
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o = o or {}
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local act = helpers.choices_to_shell_cmd_previewer(function(items)
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local is_deleted = items[1]:match("D"..utils.nbsp) ~= nil
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local is_untracked = items[1]:match("[?RAC]"..utils.nbsp) ~= nil
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local file = path.entry_to_file(items[1], not self.relative and self.opts.cwd)
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local cmd = self.cmd
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local args = self.args
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if is_untracked then args = args .. " --no-index /dev/null" end
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if is_deleted then
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cmd = self.cmd:gsub("diff", "show HEAD:")
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cmd = string.format('%s"%s"', cmd, path.relative(file.path, self.opts.cwd))
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else
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cmd = string.format('%s %s %s', cmd, args, vim.fn.shellescape(file.path))
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end
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-- uncomment to see the command in the preview window
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-- cmd = vim.fn.shellescape(cmd)
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return cmd
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end, "{}")
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return act
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end
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function Previewer.man_pages:new(o, opts)
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self = setmetatable(Previewer.cmd_async(o, opts), {
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__index = vim.tbl_deep_extend("keep",
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self, Previewer.cmd_async, Previewer.base
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)})
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self.cmd = self.cmd or "man"
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return self
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end
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function Previewer.man_pages:cmdline(o)
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o = o or {}
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local act = helpers.choices_to_shell_cmd_previewer(function(items)
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-- local manpage = require'fzf-lua.providers.manpages'.getmanpage(items[1])
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local manpage = items[1]:match("[^[,( ]+")
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local cmd = ("%s %s %s"):format(
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self.cmd, self.args, vim.fn.shellescape(manpage))
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-- uncomment to see the command in the preview window
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-- cmd = vim.fn.shellescape(cmd)
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return cmd
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end, "{}")
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return act
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end
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return Previewer
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