Added helptext.

[backmeupscotty.git] / backmeupscotty

diff --git a/backmeupscotty b/backmeupscotty
index 07a20496a054dc83c54b6351109d837dd6ce4d9d..257c1927d12c0be291a98268e3f7071d01dc35a6 100644 (file)
--- a/backmeupscotty
+++ b/backmeupscotty
@@ -131,20 +131,23 @@ function prepare {
     scottyinfo "No prepare function was defined."
 }
 
-function _prepare {
-    prepare
-}
-
 function cleanup_normal {
     scottyinfo "No cleanup_normal function was defined."
 }
 
-function _cleanup_normal {
-    cleanup_normal
+function printhelp {
+    cat <<EOF
+Usage: $(basename $0) [OPTION]...
+
+Recognized options:
+  -q   Only output errors
+  -n   Run only on nth day
+  -h   Print out this help
+EOF
 }
 
 function backmeupscotty {
-    while getopts "qn:" opt; do
+    while getopts "qn:h" opt; do
        case $opt in
            q)
                exec > /dev/null
@@ -152,9 +155,13 @@ function backmeupscotty {
            n)
                BACKUP_RUNEVERYNTHDAY=$OPTARG
                ;;
+           h)
+               printhelp
+                exit 0
+                ;;
        esac
     done
-
+    
     if ! isIncompleteOrNthDay; then
        scottyinfo "This is not the nth day and no incomplete backup exists."
        exit 0
@@ -162,11 +169,13 @@ function backmeupscotty {
 
     trap _cleanup_abort EXIT
 
-    _prepare
+    prepare
     scottysync
-    _cleanup_normal
+    cleanup_normal
 
     trap deleteLock EXIT
+
+    exit 0
 }
 
 if ! mkdir /tmp/$(basename $0).lock; then