hb

Add basic support busybox-w32 sh

diff --git a/nb b/nb
@@ -4,12 +4,11 @@
 
 nb_fatal_error() {
     echo "nb: $1"
-    exit 1
 }
 
 nb_browse() {
     file="$(fzf)"
-    [ "${file}" != "" ] && ${EDITOR} "${file}"
+    [ -f "${file}" ] && ${EDITOR} "${file}"
 }
 
 nb_sync() {

@@ -40,12 +39,13 @@ nb_usage() {
 "
 }
 
-test -z "${EDITOR}" && export EDITOR=vi
-#TODO if vi is not found, cat the note
+test -z "${EDITOR}" && { export EDITOR=vi; }
+# type on windows invokes a different command, this should be fixed before merging to main
+where "${EDITOR}" >/dev/null 2>/dev/null || { export EDITOR=cat; }
 
-#TODO ask user to clone repo
-# if folder does not exist
-cd "${NB_PATH}" || nb_fatal_error "NB_PATH is not a directory"
+test -d "${NB_PATH}" || { nb_fatal_error "NB_PATH is not a directory"; exit 1; }
+# TODO it's possible for this cd to fail
+cd "${NB_PATH}"
 nb_option=${1}
 [ $? -gt 1 ] && shift
 case $nb_option in