Fastfetch: add option --faction-trailing-zeros

Author: CarterLi

src/data/help.json

@@ -846,6 +846,18 @@
                 "default": -1
             }
         },
+        {
+            "long": "fraction-trailing-zeros",
+            "desc": "Set when to keep trailing zeros",
+            "arg": {
+                "type": "enum",
+                "enum": {
+                    "default": "Use the behavior defined internally",
+                    "always": "Always keep trailing zeros",
+                    "never": "Never keep trailing zeros"
+                }
+            }
+        },
         {
             "long": "temp-unit",
             "desc": "Set the temperature unit",

src/options/display.c

@@ -711,6 +711,15 @@ bool ffOptionsParseDisplayCommandLine(FFOptionsDisplay* options, const char* key
     }
     else if(ffStrEqualsIgnCase(key, "--fraction-ndigits"))
         options->fractionNdigits = (int8_t) ffOptionParseInt32(key, value);
+    else if(ffStrEqualsIgnCase(key, "--fraction-trailing-zeros"))
+    {
+        options->fractionTrailingZeros = (FFFractionTrailingZerosType) ffOptionParseEnum(key, value, (FFKeyValuePair[]) {
+            { "default", FF_FRACTION_TRAILING_ZEROS_TYPE_DEFAULT },
+            { "show", FF_FRACTION_TRAILING_ZEROS_TYPE_SHOW },
+            { "hide", FF_FRACTION_TRAILING_ZEROS_TYPE_HIDE },
+            {},
+        });
+    }
     else if(ffStrEqualsIgnCase(key, "--no-buffer"))
         options->noBuffer = ffOptionParseBoolean(value);
     else if(ffStrStartsWithIgnCase(key, "--bar-"))