Changed the indentation style to 2 spaces as requested by @bpinto

themes/beloglazov/fish_prompt.fish

 # name: beloglazov
 
 function _git_branch_name
-    echo (command git symbolic-ref HEAD ^/dev/null | sed -e 's|^refs/heads/||')
+  echo (command git symbolic-ref HEAD ^/dev/null | sed -e 's|^refs/heads/||')
 end
 
 function _is_git_dirty
-    echo (command git status -s --ignore-submodules=dirty ^/dev/null)
+  echo (command git status -s --ignore-submodules=dirty ^/dev/null)
 end
 
 function _git_ahead_count -a branch_name
-    echo (command git log origin/$branch_name..HEAD ^/dev/null | \
-        grep '^commit' | wc -l | tr -d ' ')
+  echo (command git log origin/$branch_name..HEAD ^/dev/null | \
+    grep '^commit' | wc -l | tr -d ' ')
 end
 
 function fish_prompt
-    set -l last_status $status
-
-    set -l cyan (set_color -o cyan)
-    set -l yellow (set_color -o yellow)
-    set -l green (set_color green)
-    set -l red (set_color red)
-    set -l brightred (set_color -o red)
-    set -l blue (set_color -o blue)
-    set -l normal (set_color normal)
-
-    if [ $last_status != 0 ]
-        set failed "$brightred✘$normal "
-    end
+  set -l last_status $status
+
+  set -l cyan (set_color -o cyan)
+  set -l yellow (set_color -o yellow)
+  set -l green (set_color green)
+  set -l red (set_color red)
+  set -l brightred (set_color -o red)
+  set -l blue (set_color -o blue)
+  set -l normal (set_color normal)
+
+  if [ $last_status != 0 ]
+    set failed "$brightred✘$normal "
+  end
 
-    if [ 'root' = (whoami) ]
-        set arrow "$brightred➜$normal  "
-    else
-        set arrow ''
-    end
+  if [ 'root' = (whoami) ]
+    set arrow "$brightred➜$normal  "
+  else
+    set arrow ''
+  end
 
-    set -l time $red(date '+%I:%M')$normal
-    set -l cwd $cyan(basename (prompt_pwd))$normal
+  set -l time $red(date '+%I:%M')$normal
+  set -l cwd $cyan(basename (prompt_pwd))$normal
 
-    if [ (_git_branch_name) ]
-        set -l git_branch_name (_git_branch_name)
-        set -l git_branch $brightred$git_branch_name$normal
-        set git_info "$blue ($git_branch$blue)$normal"
-        set -l git_ahead_count (_git_ahead_count $git_branch_name)
+  if [ (_git_branch_name) ]
+    set -l git_branch_name (_git_branch_name)
+    set -l git_branch $brightred$git_branch_name$normal
+    set git_info "$blue ($git_branch$blue)$normal"
+    set -l git_ahead_count (_git_ahead_count $git_branch_name)
 
-        if [ $git_ahead_count != 0 ]
-            set -l ahead_count "$green+$git_ahead_count$normal"
-            set git_info "$git_info $ahead_count"
-        end
+    if [ $git_ahead_count != 0 ]
+      set -l ahead_count "$green+$git_ahead_count$normal"
+      set git_info "$git_info $ahead_count"
+    end
 
-        if [ (_is_git_dirty) ]
-            set -l dirty "$yellow ✗$normal"
-            set git_info "$git_info$dirty"
-        end
+    if [ (_is_git_dirty) ]
+      set -l dirty "$yellow ✗$normal"
+      set git_info "$git_info$dirty"
+    end
   end
 
   echo -n -s $failed $arrow $time ' ' $cwd $git_info $normal ' '