2 files changed, 14 insertions, 1 deletions
diff --git a/lib/dbshell/client/postgres.rb b/lib/dbshell/client/postgres.rb
index 78b82d7..9979710 100644
--- a/lib/dbshell/client/postgres.rb
+++ b/lib/dbshell/client/postgres.rb
@@ -1,3 +1,5 @@
+require 'dbshell/exec_alias'
+
 module DBShell
   module Client
     class Postgres
@@ -5,7 +7,7 @@ module DBShell
 
       def self.runshell(db_info)
         args = self.build_command(db_info)
-        exec(*args)
+        DBShell::ExecAlias.exec(args)
       end
 
       def self.build_command(db_info)
diff --git a/lib/dbshell/exec_alias.rb b/lib/dbshell/exec_alias.rb
new file mode 100644
index 0000000..7bd86b7
--- /dev/null
+++ b/lib/dbshell/exec_alias.rb
@@ -0,0 +1,11 @@
+module DBShell
+  class ExecAlias
+    def self.exec(command_args)
+      Kernel.exec(*self.build_command(command_args))
+    end
+
+    def self.build_command(command_args)
+      [ENV['SHELL'], '--login', '-c', command_args.join(' ')]
+    end
+  end
+end