fix

init.sh

@@ -50,10 +50,11 @@ if [ -d "${OBDIAG_HOME}/check_package.yaml" ]; then
     echo "${OBDIAG_HOME}/*check_package.yaml and ${OBDIAG_HOME}/tasks  has been discarded. If you have made any changes to these files on your own, please transfer the relevant data to *check_package.yaml in ${OBDIAG_HOME}/check/"
 fi
 
+cd -
 output_file=${OBDIAG_HOME}/version.yaml
-version_line=$(obdiag --version 2>&1 | grep -oP 'OceanBase Diagnostic Tool: \K[\d.]+')
-if [ -n "$version" ]; then
-    content="obdiag_version: \"$version\""
+version_line=$(/usr/local/oceanbase-diagnostic-tool/obdiag --version 2>&1 | grep -oP 'OceanBase Diagnostic Tool: \K[\d.]+')
+if [ -n "$version_line" ]; then
+    content="obdiag_version: \"$version_line\""
 
     # Write or update the version information to the file
     echo "$content" > "$output_file"
@@ -64,4 +65,3 @@ else
 fi
 
 echo "Init obdiag finished"
-cd -

obdiag_backup.sh

@@ -10,16 +10,36 @@ mkdir -p "$BACKUP_DIR"
 # List of directories to be backed up
 DIRS=("display" "check" "gather" "rca")
 
+# Check if any of the directories contain files
+should_backup=false
+for dir in "${DIRS[@]}"; do
+    if [ -d "$SOURCE_DIR$dir" ] && [ "$(ls -A "$SOURCE_DIR$dir")" ]; then
+        should_backup=true
+        break
+    fi
+done
+
+if ! $should_backup; then
+    echo "None of the specified directories contain files. Skipping backup."
+    exit 0
+fi
+
 # Retrieve version information; if file does not exist or read fails, VERSION remains empty
 VERSION=""
 if [ -f "$SOURCE_DIR/version.yaml" ]; then
     VERSION=$(grep 'obdiag_version:' "$SOURCE_DIR/version.yaml" | awk '{print $2}' | tr -d '"')
 fi
 
 # Define the name of the backup archive (use timestamp for uniqueness, and optionally add version)
-TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
-TARFILE="$BACKUP_DIR/obdiag_backup_$TIMESTAMP"
-TARFILE+="${VERSION:+_v$VERSION}.tar.gz"
+TIMESTAMP=$(date +"%Y%m%d%H%M%S")
+BASE_NAME="obdiag_backup${VERSION:+_v$VERSION}"
+TARFILE="$BACKUP_DIR/${BASE_NAME}_$TIMESTAMP.tar.gz"
+
+# Check if a file with the same name already exists in the BACKUP_DIR
+if find "$BACKUP_DIR" -maxdepth 1 -name "${BASE_NAME}_*.tar.gz" -print -quit | grep -q .; then
+	echo "A backup file with the same name already exists. Skipping backup creation."
+	exit 0
+fi
 
 # Temporary directory for staging backup files
 TEMP_BACKUP_DIR="$BACKUP_DIR/tmp_obdiag_backup_$TIMESTAMP"