# HG changeset patch
# User Meredith Howard <mhoward@roomag.org>
# Date 1678592337 21600
# Node ID aa4c1aa529a5294f42010aecea4d38246cab1f47
# Parent  5439ee582f9b8cda9e8970359e4663a90b9f3465
Start porting custom commands to lua

diff --git a/.config/nvim/autoload/vimrc.vim b/.config/nvim/autoload/vimrc.vim
--- a/.config/nvim/autoload/vimrc.vim
+++ b/.config/nvim/autoload/vimrc.vim
@@ -1,7 +1,3 @@
-func! vimrc#CommandAlias(abbrev, expand) abort
-  execute printf('cnoreabbrev <expr> %s (getcmdtype()==":" && getcmdline()=="%s") ? "%s" : "%s"', a:abbrev, a:abbrev, a:expand, a:abbrev)
-endfunc
-
 func! vimrc#AutoFmtToggle() abort
   if &formatoptions =~# 'a'
     setl formatoptions-=a | echo '-a'
@@ -22,22 +18,6 @@ func! vimrc#Grep(...) abort
   cfirst
 endfunc
 
-func! vimrc#Gcd() abort
-  let root = system('git rev-parse --show-toplevel 2>/dev/null')[:-2]
-  if ! v:shell_error
-    exec 'cd ' . root
-  endif
-  pwd
-endfunc
-
-func! vimrc#Hgcd() abort
-  let root = system('hg root 2>/dev/null')[:-2]
-  if ! v:shell_error
-    exec 'cd ' . root
-  endif
-  pwd
-endfunc
-
 func! vimrc#SafeFilterFile(cmd)
   let errors = tempname()
   try
diff --git a/.config/nvim/init.lua b/.config/nvim/init.lua
--- a/.config/nvim/init.lua
+++ b/.config/nvim/init.lua
@@ -5,6 +5,7 @@ require("lazy-bootstrap")
 require("config.maps")
 require("config.lsp")
 require("config.autocmds")
+require("config.commands")
 
 require("local.tig").setup()
 
diff --git a/.config/nvim/lua/config/autocmds.lua b/.config/nvim/lua/config/autocmds.lua
--- a/.config/nvim/lua/config/autocmds.lua
+++ b/.config/nvim/lua/config/autocmds.lua
@@ -1,48 +1,29 @@
+local autocmd = require("config.util").autocmd
 local cmd = vim.cmd
 local fn = vim.fn
 
-local vimrc = vim.api.nvim_create_augroup("vimrc", { clear = true })
-
-local function autocmd(event, pattern, opts)
-  vim.api.nvim_create_autocmd(
-    event,
-    vim.tbl_extend("keep", opts, {
-      group = vimrc,
-      pattern = pattern,
-    })
-  )
-end
-
-local function cb(func)
-  return {
-    callback = function(_)
-      func()
-    end,
-  }
-end
+local g = vim.api.nvim_create_augroup("vimrc", { clear = true })
 
 -- >> neovim specific
 -- Always start terminals in insert/terminal mode
-autocmd("TermOpen", "*", cb(cmd.startinsert))
+autocmd(g, "TermOpen", "*", cmd.startinsert)
 
 -- neovim's autoread doesn't do this by default.
-autocmd("FocusGained", "*", cb(cmd.checktime))
+autocmd(g, "FocusGained", "*", cmd.checktime)
 
 -- >> autowriteall improvment
 -- Stopinsert on leave, or autowriteall doesn't work.
-autocmd({ "WinLeave", "FocusLost" }, "*", {
-  callback = function(_)
-    if not fn.pumvisible() then
-      fn.stopinsert()
-    end
-  end,
-})
+autocmd(g, { "WinLeave", "FocusLost" }, "*", function()
+  if not fn.pumvisible() then
+    fn.stopinsert()
+  end
+end)
 
 -- write all on leave
-autocmd("FocusLost", "*", cb(cmd.wa))
+autocmd(g, "FocusLost", "*", cmd.wa)
 
 -- >> auto mkpath on write
-autocmd("BufWritePre", "*", {
+autocmd(g, "BufWritePre", "*", {
   callback = function(ctx)
     if vim.bo[ctx.buf].buftype == "" and not string.match(ctx.file, "^[%w]+:") then
       fn.mkdir(fn.fnamemodify(ctx.file, ":p:h"), "p")
@@ -53,29 +34,25 @@ autocmd("BufWritePre", "*", {
 -- >> auto session ?
 
 -- >> jump to last position on open
-autocmd("BufReadPost", "*", {
-  callback = function(_)
-    local ft = vim.bo.filetype
-    if ft == "mail" or string.match(ft, "^git") or string.match(ft, "^hg") then
-      return ""
-    end
+autocmd(g, "BufReadPost", "*", function()
+  local ft = vim.bo.filetype
+  if ft == "mail" or string.match(ft, "^git") or string.match(ft, "^hg") then
+    return ""
+  end
 
-    local lastpos = fn.line([['"]])
-    if lastpos >= 1 and lastpos <= fn.line("$") then
-      vim.cmd([[normal! g`"]])
-    end
-  end,
-})
+  local lastpos = fn.line([['"]])
+  if lastpos >= 1 and lastpos <= fn.line("$") then
+    vim.cmd([[normal! g`"]])
+  end
+end)
 
 -- >> simple highlight conflict markers
-autocmd("BufReadPost", "*", {
-  callback = function(_)
-    fn.matchadd("Error", [[\m^\([<>|]\)\{7} \@=\|^=\{7}$]])
-  end,
-})
+autocmd(g, "BufReadPost", "*", function()
+  fn.matchadd("Error", [[\m^\([<>|]\)\{7} \@=\|^=\{7}$]])
+end)
 
 -- >> nicer quickfix
-autocmd("BufReadPost", "quickfix", {
+autocmd(g, "BufReadPost", "quickfix", {
   callback = function(ctx)
     -- simplify noisy :ltag output
     if string.match(vim.w.quickfix_title, "^ltag") then
diff --git a/.config/nvim/lua/config/commands.lua b/.config/nvim/lua/config/commands.lua
new file mode 100644
--- /dev/null
+++ b/.config/nvim/lua/config/commands.lua
@@ -0,0 +1,32 @@
+local command = vim.api.nvim_create_user_command
+local calias = require("config.util").calias
+local cmd = vim.cmd
+local fn = vim.fn
+
+command("Hgcd", function()
+  local root = fn.systemlist("hg root 2>/dev/null")[1]
+  if vim.v.shell_error == 0 then
+    cmd.cd(root)
+  end
+end, {})
+
+command("Gcd", function()
+  local root = fn.systemlist("git rev-parse --show-toplevel 2>/dev/null")[1]
+  if vim.v.shell_error == 0 then
+    cmd.cd(root)
+  end
+end, {})
+
+calias("Q", "q")
+calias("Qa", "qa")
+calias("W", "w")
+calias("grep", "Grep")
+
+calias("gcd", "Gcd")
+calias("hgcd", "Hgcd")
+
+-- Switch these to default to stay in one window + buffer
+calias("doc", "ViewDoc!")
+calias("help", "ViewDocHelp!")
+calias("man", "ViewDocMan!")
+calias("perldoc", "ViewDocPerl!")
diff --git a/.config/nvim/lua/config/util.lua b/.config/nvim/lua/config/util.lua
new file mode 100644
--- /dev/null
+++ b/.config/nvim/lua/config/util.lua
@@ -0,0 +1,32 @@
+local M = {}
+
+function M.calias(abbrev, expand)
+  vim.cmd.cnoreabbrev(
+    string.format(
+      [[<expr> %s (getcmdtype() == ":" && getcmdline() == "%s") ? "%s" : "%s"]],
+      abbrev,
+      abbrev,
+      expand,
+      abbrev
+    )
+  )
+end
+
+function M.autocmd(group, event, pattern, opts)
+  if type(opts) == "function" then
+    local func = opts
+    opts = { callback = function (_)
+      func()
+    end }
+  end
+
+  vim.api.nvim_create_autocmd(
+    event,
+    vim.tbl_extend("keep", opts, {
+      group = group,
+      pattern = pattern,
+    })
+  )
+end
+
+return M
diff --git a/.config/nvim/plugin/vimrc/commands.vim b/.config/nvim/plugin/vimrc/commands.vim
--- a/.config/nvim/plugin/vimrc/commands.vim
+++ b/.config/nvim/plugin/vimrc/commands.vim
@@ -1,8 +1,3 @@
-command! -nargs=+ CAlias call vimrc#CommandAlias(<f-args>)
-
-command! Gcd call vimrc#Gcd()
-command! Hgcd call vimrc#Hgcd()
-
 command! SyntaxCompleteOn setl omnifunc=syntaxcomplete#Complete
 
 command! Mksession execute "mksession! " . v:this_session
@@ -13,19 +8,3 @@ command! MailPreview     enew | set bt=n
 command! MailPreviewHTML enew | set bt=nofile | setf html | 0r # | exe 'norm! 0O```<Esc>}O```' | silent exe '%!mutt-md2html' | 0
 
 command! -nargs=* -complete=file Grep call vimrc#Grep(<f-args>)
-CAlias Ag Grep
-CAlias grep Grep
-
-CAlias Q q
-CAlias Qa qa
-CAlias W w
-
-CAlias gcd Gcd
-CAlias hgcd Hgcd
-
-" make these default to one window/buffer too
-CAlias  doc      ViewDoc!
-CAlias  help     ViewDocHelp!
-CAlias  man      ViewDocMan!
-CAlias  perldoc  ViewDocPerl!
-