Teach it about golang

_reformat-common.sh

@@ -27,6 +27,8 @@ function sniff_file_type() {
         file_type="scss"
     elif [[ $ff = *.sh ]]; then
         file_type="sh"
+    elif [[ $ff = *.go ]] ; then
+        file_type="golang"
     fi
 
     echo $file_type

do-reformat.sh

@@ -29,6 +29,10 @@ elif [[ $file_type == "python" ]]; then
     out=$(pipx run black $file 2>/dev/null && pipx run isort $file 2>/dev/null)
     retval="$?"
     success_retval=0
+elif [[ $file_type == "golang" ]] ; then
+    out=$(gofmt -w "$file" 2>/dev/null)
+    retval="$?"
+    success_retval=0
 else
     echo -n "ignoring"
     exit 0

would-reformat.sh

@@ -42,6 +42,22 @@ elif [[ $file_type == "python" ]]; then
     else
         retval="$isort_retval"
     fi
+elif [[ $file_type == "golang" ]] ; then
+    success_retval=0
+    would_reformat_retval=1
+    syntax_error_retval=2
+
+    out=$(gofmt -l $file)
+    exitval="$?"
+
+    if [[ x"$exitval" = x"$syntax_error_retval" ]] ; then
+        retval="$exitval"
+    elif [[ x"$out" = x"$file" ]] ; then
+        retval="$would_reformat_retval"
+    else
+        # success
+        retval="$exitval"
+    fi
 else
     echo -n "ignoring"
     exit 0