secret

modules/home/home-nushell-prompt.ulu.nix

@@ -0,0 +1,115 @@
+{ ... }:
+{
+  flake.homeModules.home-nushell-prompt =
+    { ... }:
+    {
+      programs.nushell.extraConfig = ''
+        do --env {
+          use std null_device
+
+          def prompt-header [
+            --left-char: string
+          ]: nothing -> string {
+            let code = $env.LAST_EXIT_CODE
+
+            let jj_workspace_root = try {
+              jj workspace root err> $null_device
+            } catch {
+              ""
+            }
+
+            let hostname = if ($env.SSH_CONNECTION? | is-not-empty) {
+              $"(ansi light_green_bold)@(sys host | get hostname)(ansi reset) "
+            } else {
+              ""
+            }
+
+            let body = if ($jj_workspace_root | is-not-empty) {
+              let subpath = pwd | path relative-to $jj_workspace_root
+              let subpath = if ($subpath | is-not-empty) {
+                $"(ansi magenta_bold) → (ansi reset)(ansi blue)($subpath)"
+              }
+
+              $"($hostname)(ansi light_yellow_bold)($jj_workspace_root | path basename)($subpath)(ansi reset)"
+            } else {
+              $"($hostname)(ansi cyan)(
+                if (pwd | str starts-with $env.HOME) {
+                  "~" | path join (pwd | path relative-to $env.HOME)
+                } else {
+                  pwd
+                }
+              )(ansi reset)"
+            }
+
+            let command_duration = ($env.CMD_DURATION_MS | into int) * 1ms
+            let command_duration = if $command_duration <= 2sec {
+              ""
+            } else {
+              $"┫(ansi light_magenta_bold)($command_duration)(ansi light_yellow_bold)┣━"
+            }
+
+            let exit_code = if $code == 0 {
+              ""
+            } else {
+              $"┫(ansi light_red_bold)($code)(ansi light_yellow_bold)┣━"
+            }
+
+            let middle = if $command_duration == "" and $exit_code == "" {
+              "━"
+            } else {
+              ""
+            }
+
+            $"(ansi light_yellow_bold)($left_char)($exit_code)($middle)($command_duration)(ansi reset) ($body)(char newline)"
+          }
+
+          $env.PROMPT_INDICATOR = $"(ansi light_yellow_bold)┃(ansi reset) "
+          $env.PROMPT_INDICATOR_VI_NORMAL = $env.PROMPT_INDICATOR
+          $env.PROMPT_INDICATOR_VI_INSERT = $env.PROMPT_INDICATOR
+          $env.PROMPT_MULTILINE_INDICATOR = $env.PROMPT_INDICATOR
+          $env.PROMPT_COMMAND = {||
+            prompt-header --left-char "┏"
+          }
+          $env.PROMPT_COMMAND_RIGHT = {||
+            try {
+              jj --quiet --color always --ignore-working-copy log --no-graph --revisions @ --template '
+                separate(
+                  " ",
+                  if(empty, label("empty", "(empty)")),
+                  coalesce(
+                    surround(
+                      "\"",
+                      "\"",
+                      if(
+                        description.first_line().substr(0, 24).starts_with(description.first_line()),
+                        description.first_line().substr(0, 24),
+                        description.first_line().substr(0, 23) ++ "…"
+                      )
+                    ),
+                    label(if(empty, "empty"), description_placeholder)
+                  ),
+                  bookmarks.join(", "),
+                  change_id.shortest(),
+                  commit_id.shortest(),
+                  if(conflict, label("conflict", "(conflict)")),
+                  if(divergent, label("divergent prefix", "(divergent)")),
+                  if(hidden, label("hidden prefix", "(hidden)")),
+                )
+              ' err> $null_device
+            } catch {
+              ""
+            }
+          }
+
+          $env.TRANSIENT_PROMPT_INDICATOR = "  "
+          $env.TRANSIENT_PROMPT_INDICATOR_VI_INSERT = $env.TRANSIENT_PROMPT_INDICATOR
+          $env.TRANSIENT_PROMPT_INDICATOR_VI_NORMAL = $env.TRANSIENT_PROMPT_INDICATOR
+          $env.TRANSIENT_PROMPT_MULTILINE_INDICATOR = $env.TRANSIENT_PROMPT_INDICATOR
+          $env.TRANSIENT_PROMPT_COMMAND = {||
+            prompt-header --left-char "━"
+          }
+          $env.TRANSIENT_PROMPT_COMMAND_RIGHT = $env.PROMPT_COMMAND_RIGHT
+        }
+      '';
+    };
+}