ADDED   utils/unlock_db.sh
Index: utils/unlock_db.sh
==================================================================
--- /dev/null
+++ utils/unlock_db.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+## Enh :
+# 1. if /tmp/repo exists, delte it or name it something else
+# 2. compare the repo is successfully created
+
+## Usage :
+# unlock_db.sh <database-name/complete path>
+
+function unlock_db () {
+    repo=$1
+    echo $repo
+    ls -lrt $repo
+    cp $repo /tmp/${USER}_repo.tmp
+    ls -lrt /tmp/${USER}_repo.tmp
+    ## Eventually compare the sizes of 2 repos
+    cmd=$(rm -r $repo && sqlite3 /tmp/${USER}_repo.tmp .dump | sqlite3 $repo)
+    echo $cmd
+    ls -lrt $repo
+    chmod g+w $repo
+}
+
+#======================================================================
+# T H E   M A I N   H A N D L E R   A N D   P R O C E S S I N G 
+#======================================================================
+
+unlock_db $1