service should run silently

1 files changed, 32 insertions, 10 deletions

diff --git a/shutdownasap.in b/shutdownasap.in
index 6184367..328e7ba 100755
--- a/shutdownasap.in
+++ b/shutdownasap.in
@@ -10,6 +10,14 @@ set -e
 
 echo $$ > "${pidFile}"
 
+quiet=false
+if [ $# -eq 1 ] && [ "x$1" = 'x-q' ]; then
+  quiet=true
+elif [ $# -ne 0 ]; then
+  >&2 echo 'usage: shutdownasap [-q]'
+  exit 1
+fi
+
 beforeWatchHook
 
 i=1
@@ -23,15 +31,19 @@ do
   if [ -d "${waitForDir}" ] && ls -1A "${waitForDir}" | grep -q "."
   then
     nochwarten=true
-    echo ".warteauf: "
-    ls -1A "${waitForDir}"
+    if ! ${quiet}; then
+      echo ".warteauf: "
+      ls -1A "${waitForDir}"
+    fi
   fi
 
   if users | grep -q "."
   then
     nochwarten=true
-    echo -n "users: "
-    users
+    if ! ${quiet}; then
+      echo -n "users: "
+      users
+    fi
   fi
 
   for synActFile in /sys/block/md*/md/sync_action
@@ -39,8 +51,10 @@ do
     if [ -r "${synActFile}" ] && ! grep -q "^idle\$" "${synActFile}"
     then
       nochWarten=true
-      echo -n "raid ${synActFile}: "
-      cat "${synActFile}"
+      if ! ${quiet}; then
+        echo -n "raid ${synActFile}: "
+        cat "${synActFile}"
+      fi
     fi
   done
 
@@ -49,7 +63,9 @@ do
     if echo "${prozesse}" | grep -q "\(\s\|/\)${shutDownNoGoProcesses[${s}]}\(\$\|\s\)"
     then
       nochwarten=true
-      echo "prozess: ${s}"
+      if ! ${quiet}; then
+        echo "prozess: ${s}"
+      fi
     fi
   done
 
@@ -58,17 +74,23 @@ do
     if [ -e "${shutDownNoGoFiles[${s}]}" ] && echo "${prozesse}" | grep -q "^\S\+\s\+$(cat "${shutDownNoGoFiles[${s}]}")\s"
     then
       nochwarten=true
-      echo "datei: ${s}"
+      if ! ${quiet}; then
+        echo "datei: ${s}"
+      fi
     fi
   done
 
   if ${nochwarten}
   then
-    echo "warten ..."
+    if ! ${quiet}; then
+      echo "warten ..."
+    fi
     i=10
     continue
   else
-    echo "noch ${i} Sekunden"
+    if ! ${quiet}; then
+      echo "noch ${i} Sekunden"
+    fi
   fi
   i=$[${i}-1]
 done