cleaned up bashisms

cities.sh

@@ -86,9 +86,9 @@ cmd_upload() {
 
 # delete individual remote files
 cmd_delete() {
-  echo -n 'Confirm file deletion (y to confirm)? ';
+  printf 'Confirm file deletion (y to confirm)? ';
   read -r resp
-  if [ "$resp" == "y" ]; then
+  if [ "$resp" = "y" ]; then
     $REQCMD -H "$AUTH_HDR" -d "filenames[]=$1" ${APIROOT}/delete
   else
     echo 'Operation cancelled'
@@ -103,7 +103,7 @@ cmd_sync() {
   projdir="$1"
   [ -z "$1" ] && projdir="$(pwd)"
   # iterate over the project directory
-  find "$projdir" \( ! -path '*/.*' \) -type f -printf '%P\n' | while read -r f; do
+  (cd "$projdir" && find . \( ! -path '*/.*' \) -type f | sed 's|^\./||') | while read -r f; do
     fullpath=$(realpath "${projdir}/$f")
     cursha="$(sha1sum -b "$fullpath" | cut -f 1 -d ' ')"
     prevsha="$(printf '%s' "$flist" | jq -r --arg p "$f" '.[$p]')"