symlink test scriptls

tests/letstest/scripts/test_leauto_upgrades_tmp.sh

@@ -0,0 +1,35 @@
+#!/bin/bash -xe
+
+# $OS_TYPE $PUBLIC_IP $PRIVATE_IP $PUBLIC_HOSTNAME $BOULDER_URL
+# are dynamically set at execution
+
+cd letsencrypt
+
+if ! command -v git ; then
+    if [ "$OS_TYPE" = "ubuntu" ] ; then
+        sudo apt-get update
+    fi
+    if ! (  sudo apt-get install -y git || sudo yum install -y git-all || sudo yum install -y git || sudo dnf install -y git ) ; then
+        echo git installation failed!
+        exit 1
+    fi
+fi
+BRANCH=`git rev-parse --abbrev-ref HEAD`
+# 0.4.1 is the oldest version of letsencrypt-auto that can be used because
+# it's the first version that both pins package versions and properly supports
+# --no-self-upgrade.
+git checkout -f v0.4.1
+if ! ./letsencrypt-auto -v --debug --version --no-self-upgrade 2>&1 | grep 0.4.1 ; then
+    echo initial installation appeared to fail
+    exit 1
+fi
+
+git checkout -f "$BRANCH"
+letsencrypt-auto-source/letsencrypt-auto -v --debug --version --no-self-upgrade
+
+if [ "$(tools/readlink.py ~/.local/share/letsencrypt)" != "/opt/eff.org/certbot/venv" ]; then
+    echo symlink from old venv path not properly created!
+    exit 1
+fi
+
+echo upgrade appeared to be successful