Fix fake super

[backmeupscotty.git] / backmeupscotty

diff --git a/backmeupscotty b/backmeupscotty
index e1fe9a54d2387bd72c79fa398251056e43c6b4cd..729a7813c71dd2d952e3ace7569db6673e0685bf 100644 (file)
--- a/backmeupscotty
+++ b/backmeupscotty
@@ -1,11 +1,14 @@
 #!/bin/bash
 
+REMOTE_USER=root
 REMOTE_HOST=localhost
 REMOTE_DIR=/tmp/backmeupscotty/test
 ARCHIVE_KEEPNBACKUPS=30
 ARCHIVE_KEEPNDAYS=30
 BACKUP_RUNEVERYNTHDAY=1
 BWLIMIT=500KiB
+BACKUP_FORCE=0
+FAKE_SUPER=0
 
 _ERROR_ENCOUNTERED=0
 
@@ -34,7 +37,7 @@ function scottyerror {
 }
 
 function ssh255 {
-    ssh $@
+    ssh -l $REMOTE_USER $@
     sshret=$?
 
     if [ $sshret -eq 255 ]; then
@@ -104,6 +107,12 @@ function scottysync {
         rsync_exclude=$(eval echo --exclude={$SYNC_EXC} | tr -d {})
     fi
 
+    if [ $FAKE_SUPER -eq 1 ]; then
+        rsync_fake_super="-M--fake-super"
+    else
+        rsync_fake_super=""
+    fi
+
     if (ssh255 $REMOTE_HOST '[ ! -d '$REMOTE_DIR' ]'); then
         scottyinfo "Creating destination directory $REMOTE_HOST:$REMOTE_DIR."
         ssh255 $REMOTE_HOST "mkdir $REMOTE_DIR"
@@ -114,10 +123,10 @@ function scottysync {
     fi
 
     scottyinfo "Starting rsync."
-    rsync -e ssh --bwlimit=$BWLIMIT \
+    rsync -e "ssh -l $REMOTE_USER" --bwlimit=$BWLIMIT \
           -v -aHAX --numeric-ids --delete --delete-excluded \
           --link-dest=$dir_current \
-          $rsync_exclude \
+          $rsync_exclude $rsync_fake_super \
           $SYNC_SRC/ $REMOTE_HOST:$dir_incomplete/
 
     if [ $? -eq 0 ]; then
@@ -183,12 +192,23 @@ Usage: $(basename $0) [OPTION]...
 Recognized options:
   -q   Only output errors
   -n   Run only on nth day
+  -f   Force backup
+  -l   List existing backups
   -h   Print out this help
 EOF
 }
 
+function exclusiveLock {
+    if ! mkdir /var/lock/$(basename $0); then
+        scottyerror "Another instance of $(basename $0) is still running!"
+        exit 1
+    else
+        trap deleteLock EXIT
+    fi
+}
+
 function backmeupscotty {
-    while getopts "qn:h" opt; do
+    while getopts "qn:flh" opt; do
         case $opt in
             q)
                 exec > /dev/null
@@ -196,6 +216,12 @@ function backmeupscotty {
             n)
                 BACKUP_RUNEVERYNTHDAY=$OPTARG
                 ;;
+            f)
+                BACKUP_FORCE=1
+                ;;
+            l)
+                LIST_BACKUPS=1
+                ;;
             h)
                 printhelp
                 exit 0
@@ -205,7 +231,18 @@ function backmeupscotty {
 
     ssh255 $REMOTE_HOST exit
 
-    if latestTooOld; then
+    if [ $LIST_BACKUPS ]; then
+        for backup in $(grepbackups); do
+            echo $backup
+        done
+        exit 0
+    fi
+
+    exclusiveLock
+
+    if [ $BACKUP_FORCE -eq 1 ]; then
+        scottyinfo "Backup was enforced."
+    elif latestTooOld; then
         scottyerror "The latest backup is too old."
     elif isNthDay; then
         scottyinfo "This is the nth day."
@@ -225,10 +262,3 @@ function backmeupscotty {
 
     exit 0
 }
-
-if ! mkdir /var/lock/$(basename $0); then
-    scottyerror "Another instance of $(basename $0) is still running!"
-    exit 1
-else
-    trap deleteLock EXIT
-fi