feat(coding): install and configure go toolchain

README.org

@@ -149,4 +149,6 @@
     the following languages are supported (with ~LSP~ where available):
     - ~C~, ~C++~ and derivates
     - ~Javascript~ and ~Typescript~
+    - =typst= for document writing
+    - =go= with =delve= debugger
 

coding/install_coding.fish

@@ -18,6 +18,9 @@ check_install cppcheck cppcheck
 check_install npm nodejs
 check_install typst typst
 check_install typst-lsp typst-lsp
+check_install go golang
+check_install gopls gopls
+check_install dlv delve
 check_install_npm yaml-language-server yaml-language-server
 check_install_npm vscode-json-language-server vscode-langservers-extracted
 check_install_npm bash-language-server bash-language-server

fish/config.fish

@@ -26,4 +26,7 @@ if status is-interactive
     set -x PAGER bat
     set -x EDITOR nvim
     set -x LEDGER_FILE "$HOME/org/.hledger.journal"
+
+    # Add go path
+    test -d {$HOME}/go/bin; and fish_add_path --path {$HOME}/go/bin
 end

nvim/lua/plugins/coding.lua

@@ -35,6 +35,7 @@ return {
         lua = { "stylua" },
         fish = { "fish_indent" },
         c = { "clang_format" },
+        go = { "gofmt" },
       },
       format_on_save = function(_)
         return { lsp_fallback = true }

nvim/lua/plugins/dap.lua

@@ -1,6 +1,7 @@
 -- Debug adapters for NeoVim
 local json_transforms = {
   ["lldb"] = { "c", "cpp" },
+  ["delve"] = { "go" },
 }
 
 --- @type LazyPluginSpec[]
@@ -106,6 +107,19 @@ return {
         name = "lldb",
       }
 
+      dap.adapters.delve = {
+        type = "server",
+        port = "${port}",
+        executable = {
+          command = "dlv",
+          args = { "dap", "--only-same-user=false", "-l", "127.0.0.1:${port}" },
+          detached = true,
+        },
+        options = {
+          initialize_timeout_sec = 20,
+        },
+      }
+
       -- setup dap config by VsCode launch.json file
       require("dap.ext.vscode").load_launchjs(nil, json_transforms)
     end,

nvim/lua/plugins/lsp.lua

@@ -156,6 +156,11 @@ return {
         capabilities = capabilities,
         on_attach = attach_trouble,
       })
+
+      lspconfig.gopls.setup({
+        capabilities = capabilities,
+        on_attach = attach_trouble,
+      })
     end,
   },
 

nvim/lua/plugins/treesitter.lua

@@ -33,6 +33,7 @@ return {
         "dockerfile",
         "elvish",
         "fish",
+        "go",
         "haskell",
         "hjson",
         "html",

scripts/library.fish

@@ -58,15 +58,30 @@ function check_install -a cmd pkg
 end
 
 function check_install_npm -a cmd pkg
-    if ! type -q npm then
+    if ! type -q npm
         error "You must install npm first"
         return
     end
 
-    if ! type -q $cmd then
+    if ! type -q $cmd
         info "Installing $pkg from npm"
         npm i -g $pkg
     else
         info "$cmd from npm $pkg already installed"
     end
 end
+
+function check_install_go -a binary gopkg --description "Install a Go Package"
+    if ! type -q go
+        error "You must install go first"
+        return
+    end
+
+    set -l GO_BIN_PATH {$HOME}/go/bin
+    if ! type -q $binary and ! test -f {$GO_BIN_PATH}/$binary
+        info "Installing $binary from $gopkg in $GO_BIN_PATH"
+        go install $gopkg
+    else
+        info "$binary (gopkg $gopkg) already installed"
+    end
+end