Add the ability to quiet output of the 'alt' command by passing the -q

flag

yadm

@@ -77,6 +77,10 @@ CHANGES_POSSIBLE=0
 # 0: skip auto_bootstrap, 1: ask, 2: perform bootstrap, 3: prevent bootstrap
 DO_BOOTSTRAP=0
 
+# flag to indicate if the program should be quiet or not
+# YES: be quiet, NO: be more noisy
+QUIET="NO"
+
 function main() {
 
  require_git
@@ -120,7 +124,7 @@ function main() {
  -a) # used by list()
  LIST_ALL="YES"
  ;;
- -d) # used by all commands
+ -d|--debug) # used by all commands
  DEBUG="YES"
  ;;
  -f) # used by init(), clone() and upgrade()
@@ -130,6 +134,9 @@ function main() {
  DO_LIST="YES"
  [[ "$YADM_COMMAND" =~ ^(clone|config)$ ]] && YADM_ARGS+=("$1")
  ;;
+ -q|--quiet) # used by all commands
+ QUIET="YES"
+ ;;
  -w) # used by init() and clone()
  YADM_WORK="$(qualify_path "$2" "work tree")"
  shift
@@ -246,7 +253,7 @@ function score_file() {
  record_template "$tgt" "$cmd" "$src"
  else
  debug "No supported template processor for template $src"
- [ -n "$loud" ] && echo "No supported template processor for template $src"
+ [ "$QUIET" = "NO" ] && echo "No supported template processor for template $src"
  fi
  return 0
  # unsupported values
@@ -560,10 +567,6 @@ function alt() {
  local local_distro_family
  set_local_alt_values
 
- # only be noisy if the "alt" command was run directly
- local loud=
- [ "$YADM_COMMAND" = "alt" ] && loud="YES"
-
  # decide if a copy should be done instead of a symbolic link
  local do_copy=0
  [ "$(config --bool yadm.alt-copy)" == "true" ] && do_copy=1
@@ -708,7 +711,7 @@ function alt_linking() {
  if [ -n "$template_cmd" ]; then
  # a template is defined, process the template
  debug "Creating $tgt from template $src"
- [ -n "$loud" ] && echo "Creating $tgt from template $src"
+ [ "$QUIET" = "NO" ] && echo "Creating $tgt from template $src"
  # ensure the destination path exists
  assert_parent "$tgt"
  # remove any existing symlink before processing template
@@ -717,7 +720,7 @@ function alt_linking() {
  elif [ -n "$src" ]; then
  # a link source is defined, create symlink
  debug "Linking $src to $tgt"
- [ -n "$loud" ] && echo "Linking $src to $tgt"
+ [ "$QUIET" = "NO" ] && echo "Linking $src to $tgt"
  # ensure the destination path exists
  assert_parent "$tgt"
  if [ "$do_copy" -eq 1 ]; then
@@ -1174,6 +1177,11 @@ Commands:
  yadm git-crypt [OPTIONS] - Run git-crypt commands for the yadm repo
  yadm transcrypt [OPTIONS] - Run transcrypt commands for the yadm repo
 
+General Options:
+ --help - Display this help message
+ -d, --debug - Enable debug output
+ -q, --quiet - Suppress output
+
 Files:
  \$HOME/.config/yadm/config - yadm's configuration file
  \$HOME/.config/yadm/encrypt - List of globs to encrypt/decrypt