From eeb493442b97295c15de900d6d74c2075bc604bb Mon Sep 17 00:00:00 2001
From: Thomas Forgione <thomas@forgione.fr>
Date: Wed, 8 Nov 2023 12:19:09 +0100
Subject: [PATCH] Make it look like exa

---
 nushell/config.nu | 79 +++++++++++++++++++++++++++++++++++++++++++++--
 nushell/env.nu    | 45 +++++++++++++++++++++++++++
 2 files changed, 121 insertions(+), 3 deletions(-)

diff --git a/nushell/config.nu b/nushell/config.nu
index 5a6f5df..101dc5b 100644
--- a/nushell/config.nu
+++ b/nushell/config.nu
@@ -22,14 +22,86 @@ $env.config.filesize = {
 # ls aliases
 alias _ls = ls
 
+def _ls_format_mode [mode: string] {
+    let chars = echo $mode | split chars
+
+    let r1 = (if (echo $chars | get 0) == "r" {
+        [(ansi yellow_bold), "r", (ansi reset)]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let w1 = (if (echo $chars | get 1) == "w" {
+        [(ansi red_bold), "w", (ansi reset)]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let x1 = (if (echo $chars | get 2) == "x" {
+        [(ansi green_bold), "x", (ansi reset)]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let r2 = (if (echo $chars | get 3) == "r" {
+        [(ansi yellow), "r", (ansi reset)]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let w2 = (if (echo $chars | get 4) == "w" {
+        [(ansi red), "w"]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let x2 = (if (echo $chars | get 5) == "x" {
+        [(ansi green), "x"]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let r3 = (if (echo $chars | get 6) == "r" {
+        [(ansi yellow), "r", (ansi reset)]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let w3 = (if (echo $chars | get 7) == "w" {
+        [(ansi red), "w"]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    let x3 = (if (echo $chars | get 8) == "x" {
+        [(ansi green), "x"]
+    } else {
+        [(ansi grey), "-"]
+    } | str join)
+
+    [
+        $r1
+        $w1
+        $x1
+        $r2
+        $w2
+        $x2
+        $r3
+        $w3
+        $x3
+    ] | str join
+}
+
 def l [dir?: string] {
     _ls (if $dir == null { "" } else { $dir })
-        | sort-by type name -i | grid -c
+        | sort-by type name -i
+        | grid -c
 }
 
 def ls [dir?: string] {
     _ls (if $dir == null { "" } else { $dir })
-        | sort-by type name -i | grid -c
+        | sort-by type name -i
+        | grid -c
 }
 
 def la [dir?: string] {
@@ -40,8 +112,9 @@ def la [dir?: string] {
 
 def ll [dir?: string] {
     _ls -l (if $dir == null { "" } else { $dir })
+        | each {|x| return (echo $x | update mode (_ls_format_mode $x.mode))}
         | sort-by type name -i
-        | select name type target user size modified
+        | select mode name target user size modified
 }
 
 # cool df
diff --git a/nushell/env.nu b/nushell/env.nu
index e2a557d..348eed1 100644
--- a/nushell/env.nu
+++ b/nushell/env.nu
@@ -175,6 +175,51 @@ $env.NU_PLUGIN_DIRS = [
     ($nu.default-config-dir | path join 'plugins') # add <nushell-config-dir>/plugins
 ]
 
+# LS_COLORS so that ls mimics the colors of exa
+$env.LS_COLORS = ([
+    # File types
+    "ex=1;32"            # Executables
+    "di=1;34"            # Directories
+    "ln=36"              # Links
+    "or=31"              # Orphan
+
+    # Media types
+    "*.pdf=32"           # PDF files
+
+    # Images
+    "*.webp=35"          # Webp image
+    "*.png=35"           # PNG image
+    "*.jpg=35"           # JPG image
+
+    # Music
+    "*.ogg=36"           # OGG sound
+    "*.mp3=36"           # MP3 sound
+
+    # Videos
+    "*.mp4=1;35"         # MP4 video
+    "*.avi=1;35"         # AVI video
+    "*.webm=1;35"        # WebM video
+
+    # Bold yellow: source code
+    "*.c=1;33"           # C source
+    "*.h=1;33"           # C header
+    "*.cpp=1;33"         # C++ source
+    "*.hpp=1;33"         # C++ header
+    "*.inl=1;33"         # C++ include
+    "*.cxx=1;33"         # C++ include
+    "*.py=1;33"          # Python
+    "*.js=1;33"          # JavaScript
+    "*.ts=1;33"          # TypeScript
+    "*.rs=1;33"          # Rust
+    "*.elm=1;33"         # Elm
+
+    # Build / doc files
+    "*Makefile=1;4;33"   # Makefile
+    "*Dockerfile=1;4;33" # Dockerfile
+    "*.md=1;4;33"        # Markdown
+    "*.toml=1;4;33"      # Toml
+] | str join ":")
+
 # French by default
 $env.LANG = fr_FR.UTF-8