Make colour output configurable and output spaces instead of tabs

saury

@@ -42,14 +42,16 @@ end
 
 function print_usage
     function print_operation
-        echo -e "\t"(status -f) $argv
+        echo -e "    "(status -f) $argv
     end
 
-    echo 'usage:' (status -f) '<operation> [...]'
+    echo 'usage:' (status -f) '[options] <operation> [...]'
     echo 'operations:'
     print_operation "{-h --help}"
     print_operation "{-V --version}"
     print_operation "{-A --aur-sync} [options] [package(s)]"
+    echo 'options:'
+    echo '    --color <auto/always/never>'
 end
 
 function print_version
@@ -118,7 +120,7 @@ function aur_search
             echo
 
             set_color normal
-            echo \t$description
+            echo "    $description"
         end
     else if test "$rpc_response_type" = "error"
         set rpc_error (echo $rpc_response | jq -r '.error')
@@ -134,8 +136,6 @@ function aur_sysupgrade
 end
 
 function on_start
-    tabs -4
-
     # Detect 24-bit colour support
     # (Source: https://github.com/fish-shell/fish-shell/blob/619a248a3525b13ccd12f815cdb2d373e7372292/share/config.fish#L18)
     if not set -q STY
@@ -158,10 +158,6 @@ function on_start
     end
 end
 
-function on_exit
-    tabs -8
-end
-
 function main
     set -le argv
 
@@ -169,7 +165,7 @@ function main
     set aur_sync_exclusive_options 's,u'
 
     argparse -n $saury_name -x 'V,A' -x $aur_sync_exclusive_options \
-        'h/help' 'V/version' 'A/aur-sync' $aur_sync_options -- $argv \
+        'h/help' 'V/version' 'A/aur-sync' 'c-color=?' $aur_sync_options -- $argv \
         ^| sed (string join '' 's/:/:' (set_color red) '/;s/$/' (set_color normal) '/') | head -1
 
     if not set --local --query argv
@@ -177,6 +173,15 @@ function main
         exit 1
     end
 
+    if set --query _flag_color
+        if test "$_flag_color" = "always"
+            functions -e set_color
+        else if test "$_flag_color" = "never"
+            function set_color
+            end
+        end
+    end
+
     if set --query _flag_help
         print_usage
     else if set --query _flag_version
@@ -200,4 +205,3 @@ end
 
 on_start
 main $argv
-on_exit