Add generate_helptags (#4)

.gitignore

@@ -39,3 +39,5 @@ luac.out
 *.x86_64
 *.hex
 
+# Helptags
+doc/tags

README.md

@@ -94,18 +94,25 @@ require("rpm")
 4. Alternatively, run `:Rpm install_all` to install all plugins in the
    `lua/plugins/` directory.
 
-5. Run `:Rpm list` to see a list of installed plugins.
+5. Run `:Rpm generate_helptags` to generate helptags for a plugin. By default,
+   RPM runs the help tag generation command for each plugin after it is
+   installed. You can run this command manually if you need to regenerate the
+   helptags.
 
-6. Run `:Rpm update` to update a specific plugin.
+6. Run `:Rpm list` to see a list of installed plugins.
 
-7. Run `:Rpm update_all` to update all plugins.
+7. Run `:Rpm update` to update a specific plugin.
 
-8. Run `:Rpm clean` to remove all plugins that are not defined in the
+8. Run `:Rpm update_all` to update all plugins.
+
+9. Run `:Rpm clean` to remove all plugins that are not defined in the
    `lua/plugins/` directory.
 
-9. Run `:Rpm delete` to remove a specific plugin.
+10. Run `:Rpm delete` to remove a specific plugin.
+
+11. Run `:Rpm delete_all` to remove all plugins.
 
-10. Run `:Rpm delete_all` to remove all plugins.
+You can run `:Run help` to see a list of available commands.
 
 ## Remarks
 

doc/rpm.txt

@@ -1,4 +1,4 @@
-*rpm.txt*                                A Rudimentary Plugin Manager for NeoVim 
+*rpm*                                    A Rudimentary Plugin Manager for NeoVim 
 
 ================================================================================
 INTRODUCTION                                                             **rpm**
@@ -70,18 +70,25 @@ Getting Started:
 4. Alternatively, run `:Rpm install_all` to install all plugins in the
    `lua/plugins/` directory.
 
-5. Run `:Rpm list` to see a list of installed plugins.
+5. Run `:Rpm generate_helptags` to generate helptags for a plugin. By default,
+   RPM runs the help tag generation command for each plugin after it is
+   installed. You can run this command manually if you need to regenerate the
+   helptags.
 
-6. Run `:Rpm update` to update a specific plugin.
+6. Run `:Rpm list` to see a list of installed plugins.
 
-7. Run `:Rpm update_all` to update all plugins.
+7. Run `:Rpm update` to update a specific plugin.
 
-8. Run `:Rpm clean` to remove all plugins that are not defined in the
+8. Run `:Rpm update_all` to update all plugins.
+
+9. Run `:Rpm clean` to remove all plugins that are not defined in the
    `lua/plugins/` directory.
 
-9. Run `:Rpm delete` to remove a specific plugin.
+10. Run `:Rpm delete` to remove a specific plugin.
+
+11. Run `:Rpm delete_all` to remove all plugins.
 
-10. Run `:Rpm delete_all` to remove all plugins.
+You can run `:Run help` to see a list of available commands.
 
 Remarks:
 

lua/rpm/autocomplete.lua

@@ -38,7 +38,11 @@ local commands = {
   clean = {
     desc = "Delete plugins that don't have a config file",
     nargs = 0
-  }
+  },
+  generate_helptags = {
+    desc = "Generate helptags for a plugin",
+    nargs = 1
+  },
 }
 
 local command_names = {}

lua/rpm/core.lua

@@ -61,6 +61,19 @@ local function is_plugin_installed(path, silent)
   return true
 end
 
+local function generate_helptags(path, silent)
+  local info = get_plugin_info(path)
+  local doc_dir = info.install_path .. "/doc"
+
+  if vim.fn.isdirectory(doc_dir) == 1 then
+    silent_print("Generating help tags for " .. info.name .. "...", silent)
+
+    vim.cmd("helptags " .. doc_dir)
+
+    silent_print("Help tags for " .. info.name .. " have been generated!", silent)
+  end
+end
+
 local function install_plugin(path, silent)
   local paths = coerce_to_table(path)
 
@@ -77,6 +90,8 @@ local function install_plugin(path, silent)
 
     vim.fn.system({ "git", "clone", url, info.install_path })
 
+    generate_helptags(p, silent)
+
     silent_print("Dependency " .. info.name .. " has been installed!", silent)
     ::continue::
   end
@@ -160,5 +175,7 @@ return {
   get_plugin_info = get_plugin_info,
   install_plugin = install_plugin, 
   is_plugin_installed = is_plugin_installed,
+  parse_input_answer = parse_input_answer,
+  generate_helptags = generate_helptags,
   update_plugin = update_plugin
 }

lua/rpm/init.lua

@@ -1,3 +1,4 @@
+local Rpm = require("rpm.interface")
 local core = require("rpm.core")
 local plugin_list = require("rpm.plugin_list")
 
@@ -25,6 +26,11 @@ local function init_plugins()
     end
 
     print("Plugins initialized.")
+
+    if Rpm.after_init then
+      Rpm.after_init(plugin_list)
+    end
+
     return true
   end)
 end
@@ -37,4 +43,3 @@ vim.api.nvim_create_autocmd({ "VimEnter" }, {
     coroutine.resume(init_routine)
   end
 })
-

lua/rpm/interface.lua

@@ -51,6 +51,16 @@ Rpm.help = function(command_name)
   end
 end
 
+Rpm.generate_helptags = function(plugin_name)
+  local plugin = get_plugin(plugin_name)
+
+  if not plugin then
+    return
+  end
+
+  core.generate_helptags(plugin.path)
+end
+
 Rpm.info = function(plugin_name)
   local plugin = get_plugin(plugin_name)
 
@@ -101,6 +111,20 @@ Rpm.delete = function(plugin_name, silent)
     return
   end
 
+  local is_rpm = plugin_name == "rpm"
+
+  if is_rpm then
+    silent = true
+
+    local answer = vim.fn.input(
+      "Are you sure you want to delete RPM? This is your plugin manager :D (y/n): "
+    )
+
+    if not core.parse_input_answer(answer) then
+      return
+    end
+  end
+
   core.delete_plugin(plugin.path, silent)
 end
 
@@ -134,10 +158,14 @@ Rpm.delete_all = function()
   print("\n")
 
   use_plugin_list_op_with_routines(function(name)
+    if name == "rpm" then
+      return
+    end
+
     Rpm.delete(name, true)
   end)
 
-  print("All plugins have been deleted.")
+  print("All plugins (except for RPM) have been deleted.")
 end
 
 Rpm.clean = function()
@@ -173,4 +201,12 @@ Rpm.clean = function()
   print("Deleted " .. delete_count .. " plugins.\n")
 end
 
+Rpm.setup = function(opts)
+  opts = opts or {}
+
+  if opts.after_init and type(opts.after_init) == "function" then
+    Rpm.after_init = opts.after_init
+  end
+end
+
 return Rpm