feat(core): add warn() and downgrade --saving-file diagnostic to warning

The --saving-file without --saving condition is non-fatal, so using
error() was misleading. Introduce warn() (yellow output, respects
--quiet) and use it for this diagnostic instead.

1 files changed, 9 insertions, 1 deletions

diff --git a/transcode.sh b/transcode.sh
index ae53b5f..749668c 100755
--- a/transcode.sh
+++ b/transcode.sh
@@ -165,6 +165,14 @@ msg() {
   fi
 }
 
+warn() {
+  if [[ $QUIET -eq 0 ]]; then
+    local mesg="$1"
+    shift
+    printf "${BOLD}${YELLOW}==>${ALL_OFF} ${BOLD}%s${ALL_OFF} %s\n" "$mesg" "$@"
+  fi
+}
+
 verbose() {
   if [[ $VERBOSE -eq 1 && $QUIET -eq 0 ]]; then
     local mesg="$1"
@@ -580,7 +588,7 @@ if [[ $SAVING -eq 1 ]]; then
 fi
 
 if [[ $SAVING_FILE_EXPLICIT -eq 1 && $SAVING -eq 0 ]]; then
-  error "--saving-file has no effect without --saving"
+  warn "--saving-file has no effect without --saving"
 fi
 
 if [[ ! "$NICE_VALUE" =~ ^-?[0-9]+$ ]] || ((NICE_VALUE < -20 || NICE_VALUE > 19)); then