From 765c538d9a44a8dc5e0a4626841a19dda8fedd9e Mon Sep 17 00:00:00 2001
From: Felix Tenley <dev@felschr.com>
Date: Wed, 30 Mar 2022 01:37:02 +0200
Subject: [PATCH] feat(neovim): extend gitsigns config

---
 home/editors/neovim/gitsigns.lua | 35 +++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/home/editors/neovim/gitsigns.lua b/home/editors/neovim/gitsigns.lua
index 91fa65b..2b9ad65 100644
--- a/home/editors/neovim/gitsigns.lua
+++ b/home/editors/neovim/gitsigns.lua
@@ -1 +1,34 @@
-require('gitsigns').setup()
+-- TODO vim.keymap.set not yet supported on stable neovim
+-- see gitsigns repo for sample when migrating to vim.keymap.set
+
+require("gitsigns").setup {
+  on_attach = function(bufnr)
+    local function map(mode, lhs, rhs, opts)
+        opts = vim.tbl_extend('force', {noremap = true, silent = true}, opts or {})
+        vim.api.nvim_buf_set_keymap(bufnr, mode, lhs, rhs, opts)
+    end
+
+    -- Navigation
+    map("n", "]c", "&diff ? ']c' : '<cmd>Gitsigns next_hunk<CR>'", { expr = true })
+    map("n", "[c", "&diff ? '[c' : '<cmd>Gitsigns prev_hunk<CR>'", { expr = true })
+
+    -- Actions
+    map("n", "<leader>hs", ":Gitsigns stage_hunk<CR>")
+    map("v", "<leader>hs", ":Gitsigns stage_hunk<CR>")
+    map("n", "<leader>hr", ":Gitsigns reset_hunk<CR>")
+    map("v", "<leader>hr", ":Gitsigns reset_hunk<CR>")
+    map("n", "<leader>hS", "<cmd>Gitsigns stage_buffer<CR>")
+    map("n", "<leader>hu", "<cmd>Gitsigns undo_stage_hunk<CR>")
+    map("n", "<leader>hR", "<cmd>Gitsigns reset_buffer<CR>")
+    map("n", "<leader>hp", "<cmd>Gitsigns preview_hunk<CR>")
+    map("n", "<leader>hb", "<cmd>lua require'gitsigns'.blame_line{full=true}<CR>")
+    map("n", "<leader>tb", "<cmd>Gitsigns toggle_current_line_blame<CR>")
+    map("n", "<leader>hd", "<cmd>Gitsigns diffthis<CR>")
+    map("n", "<leader>hD", "<cmd>lua require'gitsigns'.diffthis('~')<CR>")
+    map("n", "<leader>td", "<cmd>Gitsigns toggle_deleted<CR>")
+
+    -- Text object
+    map("o", "ih", ":<C-U>Gitsigns select_hunk<CR>")
+    map("x", "ih", ":<C-U>Gitsigns select_hunk<CR>")
+  end
+}