4 files changed, 65 insertions, 0 deletions
diff --git a/lua/git-yodel.lua b/lua/git-yodel.lua
new file mode 100644
index 0000000..5f9a711
--- /dev/null
+++ b/lua/git-yodel.lua
@@ -0,0 +1,21 @@
+local buf = require('modules.buf')
+local sim = require('utils.simple')
+
+local M = {}
+
+local function commitdiff()
+  local bufa = buf.create(true, false, 'Commit Diff')
+  local conta = sim.cmdcontent('git diff --cached')
+  if conta == nil then return end -- make sure we're setting from nothing
+  vim.api.nvim_buf_set_option(bufa, 'ft', 'diff')
+  vim.api.nvim_buf_set_lines(bufa, 0, -1, false, conta)
+  buf.lock(bufa)
+end
+
+vim.api.nvim_create_autocmd('FileType', {
+  group = 'bufcheck',
+  papttern = { 'gitcommit', 'gitrebase' },
+  callback =  commitdiff()
+})
+
+return M
diff --git a/lua/modules/buf.lua b/lua/modules/buf.lua
new file mode 100644
index 0000000..458e202
--- /dev/null
+++ b/lua/modules/buf.lua
@@ -0,0 +1,15 @@
+local M = {}
+
+function M.create(a, b, n)
+  local buf = vim.api.nvim_create_buf(a, b)
+  vim.api.nvim_buf_set_name(buf, n)
+  return buf
+end
+
+function M.lock(a)
+  a.nvim_buf_set_option(a, 'readonly', true)
+  a.nvim_buf_set_option(a, 'modifiable', false)
+  a.nvim_buf_set_option(a, 'modified', false)
+end
+
+return M
diff --git a/lua/utils/simple.lua b/lua/utils/simple.lua
new file mode 100644
index 0000000..637dcde
--- /dev/null
+++ b/lua/utils/simple.lua
@@ -0,0 +1,22 @@
+local M = {}
+
+function M.lower(a, b)
+  if a > b then return b else return a end
+end
+
+function M.tablelength(T)
+  local c = 0
+  for _ in pairs(T) do c = c + 1 end
+  return c
+end
+
+function M.cmdcontent(cmd)
+  local b = {}
+  local a = io.popen(cmd, 'r')
+  if a == nil then return end
+  for _ in a:lines() do table.insert(b, _) end
+  a:close()
+  return b
+end
+
+return M
diff --git a/plugin/git-yodel.lua b/plugin/git-yodel.lua
new file mode 100644
index 0000000..1c807c2
--- /dev/null
+++ b/plugin/git-yodel.lua
@@ -0,0 +1,7 @@
+if vim.g.loaded_gityodel == 1 then
+  return
+end
+
+vim.g.loaded_gityodel = 1
+
+local gityodel = require('git-yodel')