diff --git a/rootfs_to_repo.sh b/rootfs_to_repo.sh
index 3a5cf97..3c7b7bb 100755
--- a/rootfs_to_repo.sh
+++ b/rootfs_to_repo.sh
@@ -3,8 +3,8 @@ set -e
 
 if [ -z "$4" ] 
 then
-	echo "Help: $0 <rootfs archive> <directory of main ostree repository> <branch> <output archives directory>"
-	echo "For example: out/acos-20210824-x86_64.tar repo acos/x86_64/sisyphus out"
+	echo "Help: $0 <rootfs archive> <directory of main ostree repository> <branch> <directory for output archives>"
+	echo "For example: $0 out/acos-20210824-x86_64.tar repo acos/x86_64/sisyphus out"
 	echo "You can change TMPDIR environment variable to set another directory where temporary files will be stored"
 	echo "If directory of main ostree repository doesn't exists, new repository will be created"
 	exit 1
@@ -20,23 +20,38 @@ ROOTFS_ARCHIVE=$1
 MAIN_REPO=$2
 BRANCH=$3
 OUT_DIR=$4
-TMP_DIR=`mktemp --tmpdir -d rootfs_to_repo-XXXXXX`
 MAIN_ROOT=$TMP_DIR/root
 ACOS_ROOT=$TMP_DIR/acos_root
 VAR_ARCH=$OUT_DIR/var.tar.xz
 ROOT_ARCH=$OUT_DIR/acos_root.tar.xz
+VERSION_DATE=`basename $ROOTFS_ARCHIVE | awk -F- '{print $2;}'`
 
-rm -rf $TMP_DIR/* $VAR_ARCH $ROOT_ARCH
+echo "Date for version: $VERSION_DATE"
+
+if ! [[ "$VERSION_DATE" =~ ^[0-9]{8}$ ]] 
+then
+	echo "ERROR: The name of the rootfs archive contains an incorrect date"
+	exit 1
+fi
+
+if [ ! -d $OUT_DIR ]
+then
+	echo "ERROR: Directory for output archives must exist"
+	exit 1
+fi
+
+
+rm -f $VAR_ARCH $ROOT_ARCH
+
+TMP_DIR=`mktemp --tmpdir -d rootfs_to_repo-XXXXXX`
 
 mkdir -p $MAIN_ROOT
 tar xf $ROOTFS_ARCHIVE -C $MAIN_ROOT --exclude=./dev/tty --exclude=./dev/tty0 --exclude=./dev/console  --exclude=./dev/urandom --exclude=./dev/random --exclude=./dev/full --exclude=./dev/zero --exclude=/dev/null --exclude=./dev/pts/ptmx --exclude=./dev/null
 
-#####################
+#Вынести в m-i-p
 rm -f $MAIN_ROOT/etc/resolv.conf
 ln -sf /run/systemd/resolve/resolv.conf $MAIN_ROOT/etc/resolv.conf
-#####################
 
-#Вынести в m-i-p
 chroot $MAIN_ROOT systemctl enable ignition-firstboot-complete.service ostree-remount.service sshd docker
 sed -i 's/^LABEL=ROOT\t/LABEL=boot\t/g' $MAIN_ROOT/etc/fstab
 sed -i 's/^AcceptEnv /#AcceptEnv /g' $MAIN_ROOT/etc/openssh/sshd_config
@@ -87,12 +102,12 @@ rm -rf $MAIN_ROOT/var/*
 if [ ! -d $MAIN_REPO ]
 then
 #Создание главного ostree-репозитория
-	ostree init --repo=$MAIN_REPO --mode=archive
+	ostree init --repo=$MAIN_REPO --mode=bare
 fi
 
 ostree commit --repo=$MAIN_REPO --tree=dir=$MAIN_ROOT -b $BRANCH \
 	--no-xattrs --no-bindings --mode-ro-executables \
-	--add-metadata-string=version=sisyphus.`date +%Y%m%d`.0.0
+	--add-metadata-string=version=sisyphus.$VERSION_DATE.0.0
 
 mkdir $ACOS_ROOT
 ostree admin init-fs --modern $ACOS_ROOT