260 lines
7.6 KiB
Lua
260 lines
7.6 KiB
Lua
-- Copyright (c) 2020-2021 hoob3rt
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-- MIT license, see LICENSE for more details.
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local lualine_require = require 'lualine_require'
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local require = lualine_require.require
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local modules = lualine_require.lazy_require {
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notice = 'lualine.utils.notices',
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}
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local is_valid_filename = lualine_require.is_valid_filename
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local sep = lualine_require.sep
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local component_types = {
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luaf = function(component)
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return require('lualine.components.special.function_component'):new(component)
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end,
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mod = function(component)
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local ok, loaded_component = pcall(require, 'lualine.components.' .. component[1])
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if ok then
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component.component_name = component[1]
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loaded_component = loaded_component:new(component)
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return loaded_component
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end
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end,
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stl = function(component)
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local stl_expr = component[1] -- Vim's %p %l statusline elements
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component[1] = function()
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return stl_expr
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end
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return require('lualine.components.special.function_component'):new(component)
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end,
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var = function(component)
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return require('lualine.components.special.vim_var_component'):new(component)
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end,
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['_'] = function(component)
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return require('lualine.components.special.eval_func_component'):new(component)
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end,
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}
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local function component_loader(component)
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if type(component[1]) == 'function' then
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return component_types.luaf(component)
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end
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if type(component[1]) == 'string' then
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-- load the component
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if component.type ~= nil then
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if component_types[component.type] and component.type ~= 'luaf' then
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return component_types[component.type](component)
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elseif component.type == 'vimf' or component.type == 'luae' then
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return component_types['_'](component)
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else
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modules.notice.add_notice(string.format(
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[[
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### component.type
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component type '%s' isn't recognised. Check if spelling is correct.]],
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component.type
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))
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end
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end
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local loaded_component = component_types.mod(component)
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if loaded_component then
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return loaded_component
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elseif string.char(component[1]:byte(1)) == '%' then
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return component_types.stl(component)
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elseif component[1]:find '[gvtwb]?o?:' == 1 then
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return component_types.var(component)
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else
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return component_types['_'](component)
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end
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end
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end
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local function option_deprecatation_notice(component)
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local types = {
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case = function()
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local kind = component.upper ~= nil and 'upper' or 'lower'
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modules.notice.add_notice(string.format(
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[[
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### option.%s
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Option `%s` has been deprecated.
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Please use `fmt` option if you need to change case of a component.
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You have some thing like this in your config:
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```lua
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%s = true,
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```
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You'll have to change it to this to retain old behavior:
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```lua
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fmt = string.%s
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```
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]],
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kind,
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kind,
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kind,
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kind
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))
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end,
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padding = function()
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local kind = component.left_padding ~= nil and 'left_padding' or 'right_padding'
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modules.notice.add_notice(string.format(
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[[
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### option.%s
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Option `%s` has been deprecated.
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Please use `padding` option to set left/right padding.
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You have some thing like this in your config:
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```lua
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%s = %d,
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```
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You'll have to change it to this to retain old behavior:
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```lua
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padding = { %s = %d }
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```
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if you've set both left_padding and right_padding for a component
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you'll need to have something like
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```lua
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padding = { left = x, right = y }
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```
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When you set `padding = x` it's same as `padding = {left = x, right = x}`
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]],
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kind,
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kind,
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kind,
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component[kind],
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kind == 'left_padding' and 'left' or 'right',
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component[kind]
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))
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if component.left_padding and component.right_padding then
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component.padding = { left = component.left_padding, right = component.right_padding }
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component.left_padding = nil
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component.right_padding = nil
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elseif component.left_padding then
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component.padding = { left = component.left_padding, right = 1 }
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component.left_padding = nil
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else
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component.padding = { left = 1, right = component.right_padding }
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component.right_padding = nil
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end
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end,
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}
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if component.upper ~= nil or component.lower ~= nil then
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types.case()
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end
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if component.left_padding ~= nil or component.right_padding ~= nil then
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types.padding()
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end
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end
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local function load_sections(sections, options)
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for section_name, section in pairs(sections) do
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for index, component in pairs(section) do
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if type(component) == 'string' or type(component) == 'function' then
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component = { component }
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end
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component.self = {}
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component.self.section = section_name
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-- apply default args
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component = vim.tbl_extend('keep', component, options)
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option_deprecatation_notice(component)
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section[index] = component_loader(component)
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end
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end
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end
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local function load_components(config)
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load_sections(config.sections, config.options)
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load_sections(config.inactive_sections, config.options)
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load_sections(config.tabline, config.options)
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end
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local function load_extensions(config)
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local loaded_extensions = {}
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for _, extension in pairs(config.extensions) do
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if type(extension) == 'string' then
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local ok, local_extension = pcall(require, 'lualine.extensions.' .. extension)
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if ok then
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local_extension = vim.deepcopy(local_extension)
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load_sections(local_extension.sections, config.options)
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if local_extension.inactive_sections then
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load_sections(local_extension.inactive_sections, config.options)
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end
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if type(local_extension.init) == 'function' then
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local_extension.init()
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end
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table.insert(loaded_extensions, local_extension)
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else
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modules.notice.add_notice(string.format(
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[[
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### Extensions
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Extension named `%s` was not found . Check if spelling is correct.
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]],
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extension
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))
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end
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elseif type(extension) == 'table' then
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local local_extension = vim.deepcopy(extension)
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load_sections(local_extension.sections, config.options)
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if local_extension.inactive_sections then
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load_sections(local_extension.inactive_sections, config.options)
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end
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if type(local_extension.init) == 'function' then
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local_extension.init()
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end
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table.insert(loaded_extensions, local_extension)
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end
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end
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config.extensions = loaded_extensions
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end
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local function load_all(config)
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load_components(config)
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load_extensions(config)
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end
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local function load_theme(theme_name)
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assert(is_valid_filename(theme_name), 'Invalid filename')
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local retval
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local path = table.concat({ 'lua', 'lualine', 'themes', theme_name }, sep) .. '.lua'
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local files = lualine_require.rtp_searcher(path)
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local n_files = #files
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if n_files == 0 then
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-- No match found
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error(path .. ' Not found')
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elseif n_files == 1 then
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-- when only one is found run that and return it's return value
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retval = dofile(files[1])
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else
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-- More then 1 found . Use the first one that isn't in lualines repo
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local lualine_repo_pattern = table.concat({ 'lualine.nvim', 'lua', 'lualine' }, sep)
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local file_found = false
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for _, file in ipairs(files) do
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if not file:find(lualine_repo_pattern) then
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retval = dofile(file)
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file_found = true
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break
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end
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end
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if not file_found then
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-- This shouldn't happen but somehow we have multiple files but they
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-- apear to be in lualines repo . Just run the first one
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retval = dofile(files[1])
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end
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end
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return retval
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end
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return {
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load_all = load_all,
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load_theme = load_theme,
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}
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