Handle old venv path

letsencrypt-auto-source/letsencrypt-auto

@@ -1085,6 +1085,10 @@ if [ "$1" = "--le-auto-phase2" ]; then
     # In this situation, we bypass any bootstrap or certbot venv setup.
     error "Your system is not supported by certbot-auto anymore."
 
+    if OldVenvExists; then
+      VENV_BIN="$OLD_VENV_PATH/bin"
+    fi
+
     if [ -f "$VENV_BIN/letsencrypt" -a "$INSTALL_ONLY" != 1 ]; then
       error "Certbot will no longer receive updates."
       error "Please visit https://certbot.eff.org/ to check for other alternatives."

letsencrypt-auto-source/letsencrypt-auto.template

@@ -552,6 +552,10 @@ if [ "$1" = "--le-auto-phase2" ]; then
     # In this situation, we bypass any bootstrap or certbot venv setup.
     error "Your system is not supported by certbot-auto anymore."
 
+    if OldVenvExists; then
+      VENV_BIN="$OLD_VENV_PATH/bin"
+    fi
+
     if [ -f "$VENV_BIN/letsencrypt" -a "$INSTALL_ONLY" != 1 ]; then
       error "Certbot will no longer receive updates."
       error "Please visit https://certbot.eff.org/ to check for other alternatives."

letsencrypt-auto-source/tests/centos6_tests.sh

@@ -104,6 +104,18 @@ if ! "$LE_AUTO" --install-only 2>&1 | grep -q "Certbot cannot be installed."; th
   exit 1
 fi
 
+# Prepare certbot installation in the old venv path
+# (copy installation in old path + forget about previous installation)
+mkdir -p ~/.local/share
+cp -ra "$VENV_PATH" ~/.local/share/letsencrypt
+unset VENV_PATH
+if ! "$LE_AUTO" 2>&1 | grep -q "Certbot will no longer receive updates."; then
+  echo "On CentOS 32 bits, certbot-auto upgraded certbot on the old venv path."
+  exit 1
+fi
+
+rm -rf ~/.local/share/letsencrypt
+
 echo "PASSED: On CentOS6 32 bits, certbot-auto refuses to install/upgrade certbot."
 )