buildpackage: Remove any previous installation of the agent

This allows the reinstallation to work even in systems where groupadd(8) and
useradd(8) have no "-f" option.

Signed-off-by: Erik Alexandre Pucci <eap08@c3sl.ufpr.br>
Acked-by: Aryane Ast dos Santos <aras10@c3sl.ufpr.br>

buildpackage/bootstraps/bootstrap-install

@@ -153,6 +153,11 @@ LOGFILE=/tmp/collected-information.log
 # Save stdout to file descriptor 3 and redirect all output to $LOGFILE
 exec 3>&1 &> ${LOGFILE}
 
+# Remove any previous installation of the agent
+rm -rf "${AGENT_DIR}"
+/usr/sbin/userdel -r seed_mec
+/usr/sbin/groupdel seed_mec
+
 # Create seed_mec group and exit on error (except by the error of previous
 # existence of seed_mec group)
 if ! /usr/sbin/groupadd -f seed_mec; then