Refactor codebase to use nix modules

hmModules/apps/shells/fish/functions/fish_right_prompt.fish

@@ -0,0 +1,61 @@
+set -l cwd
+set -l cwd_color (set_color blue)
+set -l normal_color (set_color normal)
+set -l branch_color (set_color yellow)
+set -l meta_color (set_color red)
+
+if git_is_repo
+    echo -n -s $branch_color (git_branch_name) $normal_color
+    set -l git_meta ""
+    if test (command git ls-files --others --exclude-standard | wc -w 2> /dev/null) -gt 0
+        set git_meta "$git_meta?"
+    end
+    if test (command git rev-list --walk-reflogs --count refs/stash 2> /dev/null)
+        set git_meta "$git_meta\$"
+    end
+    if git_is_touched
+        git_is_dirty && set git_meta "$git_meta⨯"
+        git_is_staged && set git_meta "$git_meta●"
+    end
+    set -l commit_count (command git rev-list --count --left-right (git remote)/(git_branch_name)"...HEAD" 2> /dev/null)
+    if test $commit_count
+        set -l behind (echo $commit_count | cut -f 1)
+        set -l ahead (echo $commit_count | cut -f 2)
+        if test $behind -gt 0
+            set git_meta "$git_meta🠋"
+        end
+        if test $ahead -gt 0
+            set git_meta "$git_meta🠉"
+        end
+    end
+    if test $git_meta
+        echo -n -s $meta_color " " $git_meta " " $normal_color
+    else
+        echo -n -s " "
+    end
+
+
+    set root_folder (command git rev-parse --show-toplevel 2> /dev/null)
+    set parent_root_folder (dirname $root_folder)
+    set cwd (echo $PWD | sed -e "s|$parent_root_folder/||")
+else
+    set cwd (prompt_pwd)
+end
+
+
+echo -n -s $cwd_color "$cwd"
+set_color --dim
+
+set -l S (math $CMD_DURATION/1000)
+set -l M (math $S/60)
+
+
+echo -n -s " "
+if test $M -gt 1
+    echo -n -s $M m
+else if test $S -gt 1
+    echo -n -s $S s
+else
+    echo -n -s $CMD_DURATION ms
+end
+set_color normal