A kyanite.sh

@@ -0,0 +1,62 @@ 
+#!/bin/sh
+
+helpme() {
+  echo "usage:"
+  echo "  kyanite.sh full|partial|restore SRC DEST [options]"
+  echo "    COMMANDS:"
+  echo "      full: make a full backup of SRC to DEST/HOST/TIMESTAMP_full/"
+  echo "            this can be a remote path in user@host:path form too"
+  echo "      partial: make partial backup of SRC to DEST/HOST/TIMESTAMP_part/"
+  echo "               relative to the latest full backup in that directory"
+  echo "      restore: restore the backup at DEST/ to SRC/"
+  echo "    OPTIONS:"
+  echo "      anything provided after DEST is passed as additional options to rsync,"
+  echo "      e.g. '--exclude .cache'"
+}
+
+if [ -z "$3" ]; then
+  helpme;
+  exit;
+fi
+
+if [ "$1" = "full" ]; then
+  mode=full;
+elif [ "$1" = "partial" ]; then
+  mode=part;
+elif [ "$1" = "restore" ]; then
+  mode=restore;
+else mode=none;
+fi
+shift;
+
+srcDir=$1;
+shift;
+
+destDir=$1
+remoteHost=$(echo $destDir | awk -F : '{ print $1 }' | awk -F @ '{ print $2  }');
+
+if [ ! -z "${remoteHost}" ]; then
+  host=${remoteHost};
+else host=$(hostname)
+fi
+shift;
+
+case $mode in
+  full)
+    fullDest=${destDir}/${host}/$(date +%Y-%m-%d_%H:%M)_full;
+    mkdir -p ${fullDest};
+    rsync -av $@ ${srcDir} ${fullDest};
+    ;;
+  part)
+    fullDest=${destDir}/${host}/$(date +%Y-%m-%d_%H:%M)_part;
+    lastFullBackup=$(ls -1 ${destDir}/$(hostname)/*_full | tail -n 1);
+    mkdir -p ${fullDest};
+    rsync -av --link-dest=${lastFullBackup} $@ ${srcDir} ${fullDest};
+    ;;
+  restore)
+    rsync -av $@ ${srcDir} ${destDir}
+    ;;
+  *)
+    helpme
+    ;;
+esac