Try to do a few things

FIXME: do them correctly; squash and reword this travesty of a commit.

_reformat-common.bash

@@ -1,3 +1,11 @@
+function log () {
+    msg=$@
+    
+    if [[ ! -z "${LOG_TO+}" ]]  ; then
+        echo "$msg" >> $LOG_TO
+    fi
+}
+
 function get_os() {
     un=$(uname)
 
@@ -139,12 +147,13 @@ function sniff_file_type() {
         file_type="css"
     elif [[ $ff == *.scss ]]; then
         file_type="scss"
-    elif [[ $ff = *.sh ]]; then
-        file_type="sh"
     elif [[ $ff = *.go ]]; then
         file_type="golang"
-    elif [[ $ff = *.dart ]]; then
+    elif [[ $ff = *.dart ]]; then       
         file_type="dart"
+    elif [[ $ff = *.sh ]]; then
+        # .sh isn't enough; we'll need other extns
+        file_type="shell"
     elif [[ $ff = *.pl ]]; then
         file_type="perl"
     elif [[ $ff = *.rs ]] ; then
@@ -186,8 +195,7 @@ function choose_wrapper() {
         $file_type = "jsx" ||
         $file_type = "tsx" ||
         $file_type == "css" ||
-        $file_type == "scss" ||
-        $file_type = "sh" ]]; then
+        $file_type == "scss" ]]; then
         out="$WF_ROOT"/./prettier.sh
     elif [[ $file_type == "python" ]]; then
         out="$WF_ROOT"/./isort-and-black.sh
@@ -197,6 +205,8 @@ function choose_wrapper() {
         out="$WF_ROOT"/./rustfmt.sh
     elif [[ $file_type == "dart" ]]; then
         out="$WF_ROOT"/./dart_format.sh
+    elif [[ $file_type == "shell" ]] ; then
+        out="$WF_ROOT"/./shfmt.sh
     else
         out="$WF_ROOT"/./default.sh
     fi