Name ANSI color codes

common/components/shell.user.nix

@@ -3,6 +3,8 @@
 let
   inherit (lib) concatLines concatStringsSep genAttrs mapAttrsToList toShellVar;
 
+  palette = import ../resources/palette.nix { inherit lib; };
+
   toAbbrs = kv: concatLines (mapAttrsToList (k: v: "abbr ${toShellVar k v}") kv);
 in
 {
@@ -137,44 +139,44 @@ in
     undo = "git restore --patch";
   };
 
-  home.sessionVariables.EXA_COLORS = concatStringsSep ":" (mapAttrsToList (k: v: "${k}=${v}") {
-    ur = "2;37"; # the user-read permission bit
-    uw = "2;37"; # the user-write permission bit
-    ux = "1;32"; # the user-execute permission bit for regular files
-    ue = "1;32"; # the user-execute for other file kinds
-    gr = "2;37"; # the group-read permission bit
-    gw = "2;37"; # the group-write permission bit
-    gx = "2;37"; # the group-execute permission bit
-    tr = "1;35"; # the others-read permission bit
-    tw = "1;31"; # the others-write permission bit
-    tx = "2;37"; # the others-execute permission bit
-    su = "1;33"; # setuid, setgid, and sticky permission bits for files
-    sf = "1;33"; # setuid, setgid, and sticky for other file kinds
-    xa = "1;33"; # the extended attribute indicator
-    sn = "2;37"; # the numbers of a file’s size
-    ub = "1;37"; # the units of a file’s size if it is lower than 1 KB/Kib
-    uk = "1;34"; # the units of a file’s size if it is between 1 KB/KiB and 1 MB/MiB
-    um = "1;33"; # the units of a file’s size if it is between 1 MB/MiB and 1 GB/GiB
-    ug = "1;31"; # the units of a file’s size if it is between 1 GB/GiB and 1 TB/TiB
-    ut = "1;31"; # the units of a file’s size if it is 1 TB/TiB or higher
-    uu = "30"; # a user that’s you
-    un = "31"; # a user that’s someone else
-    gu = "30"; # a group that you belong to
-    gn = "31"; # a group you aren’t a member of
-    da = "2;3;37"; # a file’s date
-    lp = "2;37"; # the path of a symlink
-    cc = "1;33"; # an escaped character in a filename
-  });
+  home.sessionVariables.EXA_COLORS = concatStringsSep ":" (mapAttrsToList (k: v: "${k}=${v}") (with palette.ansi; {
+    ur = dim.white; # the user-read permission bit
+    uw = dim.white; # the user-write permission bit
+    ux = bold.green; # the user-execute permission bit for regular files
+    ue = bold.green; # the user-execute for other file kinds
+    gr = dim.white; # the group-read permission bit
+    gw = dim.white; # the group-write permission bit
+    gx = dim.white; # the group-execute permission bit
+    tr = bold.magenta; # the others-read permission bit
+    tw = bold.red; # the others-write permission bit
+    tx = dim.white; # the others-execute permission bit
+    su = bold.yellow; # setuid, setgid, and sticky permission bits for files
+    sf = bold.yellow; # setuid, setgid, and sticky for other file kinds
+    xa = bold.yellow; # the extended attribute indicator
+    sn = dim.white; # the numbers of a file’s size
+    ub = bold.white; # the units of a file’s size if it is lower than 1 KB/Kib
+    uk = bold.blue; # the units of a file’s size if it is between 1 KB/KiB and 1 MB/MiB
+    um = bold.yellow; # the units of a file’s size if it is between 1 MB/MiB and 1 GB/GiB
+    ug = bold.red; # the units of a file’s size if it is between 1 GB/GiB and 1 TB/TiB
+    ut = bold.red; # the units of a file’s size if it is 1 TB/TiB or higher
+    uu = black; # a user that’s you
+    un = red; # a user that’s someone else
+    gu = black; # a group that you belong to
+    gn = red; # a group you aren’t a member of
+    da = dim.italic.white; # a file’s date
+    lp = dim.white; # the path of a symlink
+    cc = bold.yellow; # an escaped character in a filename
+  }));
 
-  home.sessionVariables.LS_COLORS = concatStringsSep ":" (mapAttrsToList (k: v: "${k}=${v}") {
-    di = "1;36"; # directories
-    ex = "32"; # executable files
-    fi = "37"; # regular files
-    pi = "3;34"; # named pipes
-    so = "3;34"; # sockets
-    bd = "1;34"; # block devices
-    cd = "1;34"; # character devices
-    ln = "35"; # symlinks
-    or = "31"; # symlinks with no target
-  });
+  home.sessionVariables.LS_COLORS = concatStringsSep ":" (mapAttrsToList (k: v: "${k}=${v}") (with palette.ansi; {
+    di = bold.cyan; # directories
+    ex = green; # executable files
+    fi = white; # regular files
+    pi = italic.blue; # named pipes
+    so = italic.blue; # sockets
+    bd = bold.blue; # block devices
+    cd = bold.blue; # character devices
+    ln = magenta; # symlinks
+    or = red; # symlinks with no target
+  }));
 }

common/resources/palette.nix

@@ -1,9 +1,12 @@
 { lib }:
 
 let
-  inherit (builtins) mapAttrs substring;
+  inherit (builtins) listToAttrs mapAttrs substring;
+  inherit (lib) imap0 nameValuePair;
   inherit ((import <nix-colors> { }).lib.conversions) hexToRGB;
 
+  ansiNames = [ "black" "red" "green" "yellow" "blue" "magenta" "cyan" "white" ];
+
   asHex = {
     # Monokai
     black = "#1b1b1b";
@@ -36,6 +39,13 @@ let
   };
 in
 asHex // rec {
+  ansi =
+    let
+      base = listToAttrs (imap0 (i: n: nameValuePair n (toString (30 + i))) ansiNames);
+      effect = p: mapAttrs (_: a: "${p};${a}") base;
+    in
+    base // { bold = effect "1"; dim = effect "2" // { italic = effect "2;3"; }; italic = effect "3"; };
+
   asFloat = mapAttrs (_: cs: map (c: c / 255.0) cs) asInt;
 
   asInt = mapAttrs (_: h: hexToRGB (substring 1 6 h)) asHex;