From 607eb41d72c39d27b00baca4ed020e14ec8ff0da Mon Sep 17 00:00:00 2001
From: emilis <emilis@puff.place>
Date: Sat, 9 Mar 2024 17:32:45 +0000
Subject: [PATCH] set up nushell

---
 nushell/config.nu |  6 ++---
 nushell/env.nu    | 59 +++++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 57 insertions(+), 8 deletions(-)

diff --git a/nushell/config.nu b/nushell/config.nu
index 4e7d3a2..5a342f9 100644
--- a/nushell/config.nu
+++ b/nushell/config.nu
@@ -143,7 +143,7 @@ let light_theme = {
 
 # The default config record. This is where much of your global configuration is setup.
 $env.config = {
-    show_banner: true # true or false to enable or disable the welcome banner at startup
+    show_banner: false # true or false to enable or disable the welcome banner at startup
 
     ls: {
         use_ls_colors: true # use the LS_COLORS environment variable to colorize output
@@ -155,7 +155,7 @@ $env.config = {
     }
 
     table: {
-        mode: rounded # basic, compact, compact_double, light, thin, with_love, rounded, reinforced, heavy, none, other
+        mode: dots # basic, compact, compact_double, light, thin, with_love, rounded, reinforced, heavy, none, other
         index_mode: always # "always" show indexes, "never" show indexes, "auto" = show indexes when a table has "index" column
         show_empty: true # show 'empty list' and 'empty record' placeholders for command output
         padding: { left: 1, right: 1 } # a left right padding of each column in a table
@@ -234,7 +234,7 @@ $env.config = {
     use_ansi_coloring: true
     bracketed_paste: true # enable bracketed paste, currently useless on windows
     edit_mode: emacs # emacs, vi
-    shell_integration: false # enables terminal shell integration. Off by default, as some terminals have issues with this.
+    shell_integration: true # enables terminal shell integration. Off by default, as some terminals have issues with this.
     render_right_prompt_on_last_line: false # true or false to enable or disable right prompt to be rendered on last line of the prompt.
     use_kitty_protocol: false # enables keyboard enhancement protocol implemented by kitty console, only if your terminal support this.
     highlight_resolved_externals: false # true enables highlighting of external commands in the repl resolved by which.
diff --git a/nushell/env.nu b/nushell/env.nu
index 6d9672d..645a587 100644
--- a/nushell/env.nu
+++ b/nushell/env.nu
@@ -2,6 +2,50 @@
 #
 # version = "0.91.1"
 
+def git_prompt [] {
+	if (do --ignore-errors { git rev-parse --abbrev-ref HEAD } | is-empty) {
+		return 
+	}
+
+	let status = git --no-optional-locks status --porcelain=2 --branch | lines
+
+	let head = $status | where ($it | str starts-with '# branch.head') | str join | parse '# branch.head {branch}' | get branch | first
+	let result = [$"(ansi magenta2a)($head)"];
+
+	let ahead_behind = $status | where ($it | str starts-with '# branch.ab') | str join | parse "# branch.ab +{ahead} -{behind}"
+	let ahead = $ahead_behind | get ahead | first
+	let behind = $ahead_behind | get behind | first
+	let ahead = if ($ahead != '0') { $"↑($ahead)" } else {}
+	let behind = if ($behind != '0') { $"↓($behind)" } else {}
+	let result = $result | append ([$ahead, $behind] | where not ($it | is-empty) | str join (char space))
+	
+	let untracked = $status | where ($it | str starts-with '?') | length
+	let unstaged = $status | where ($it =~ '1 \..+' ) | length
+	let staged = $status | where ($it =~ '1 .\..+' ) | length
+	let file_states = file_state_to_string [
+		[value, str, color];
+		[$untracked, $"…($untracked)", (ansi paleturquoise1)],
+		[$unstaged, $"✚($unstaged)", (ansi orange3)],
+		[$staged, $"●($staged)", (ansi darkseagreen1b)]
+	] 
+	let result = $result | append $file_states
+
+	let result = $result | where not ($it | is-empty) | str join $" (ansi reset)"
+	$"(ansi lub)\(($result)(ansi lub)\)"
+}
+
+def file_state_to_string [$states: table] -> string {
+	$states | each {|itm| 
+		if ($itm.value != 0) {
+			let str = $itm.str
+			let color = $itm.color
+			$"($color)($str)"
+		} else {
+			""
+		} 
+	} | where not ($it | is-empty) | str join ' '
+}
+
 def create_left_prompt [] {
     let dir = match (do --ignore-shell-errors { $env.PWD | path relative-to $nu.home-path }) {
         null => $env.PWD
@@ -9,19 +53,24 @@ def create_left_prompt [] {
         $relative_pwd => ([~ $relative_pwd] | path join)
     }
 
-    let path_color = (if (is-admin) { ansi red_bold } else { ansi green_bold })
-    let separator_color = (if (is-admin) { ansi light_red_bold } else { ansi light_green_bold })
-    let path_segment = $"($path_color)($dir)"
+    let path_color = (if (is-admin) { ansi red_bold } else { ansi pb })
+    let separator_color = (if (is-admin) { ansi light_red_bold } else { ansi pb })
+	let user_color = (if (is-admin) {ansi red} else { ansi xterm_magenta1 })
+    let path_segment = $"($user_color)[($env.USER)] ($path_color)($dir)(git_prompt)"
 
     $path_segment | str replace --all (char path_sep) $"($separator_color)(char path_sep)($path_color)"
 }
 
+def hostname [] -> string {
+	$"(ansi lmi)((sys).host | get hostname)(ansi reset)"
+}
+
 def create_right_prompt [] {
     # create a right prompt in magenta with green separators and am/pm underlined
     let time_segment = ([
         (ansi reset)
         (ansi magenta)
-        (date now | format date '%x %X') # try to respect user's locale
+        (date now | format date '%H:%M') # try to respect user's locale
     ] | str join | str replace --regex --all "([/:])" $"(ansi green)${1}(ansi magenta)" |
         str replace --regex --all "([AP]M)" $"(ansi magenta_underline)${1}")
 
@@ -31,7 +80,7 @@ def create_right_prompt [] {
     ] | str join)
     } else { "" }
 
-    ([$last_exit_code, (char space), $time_segment] | str join)
+    ([$last_exit_code, (hostname), $time_segment] | str join (char space))
 }
 
 # Use nushell functions to define your right and left prompt