+export PATH GIT_EXEC_PATH
+
+# Similarly use ../compat/subprocess.py if our python does not
+# have subprocess.py on its own.
+PYTHON=`sed -e '1{
+ s/^#!//
+ q
+}' ../git-merge-recursive` || {
+ error "You haven't built things yet, have you?"
+}
+"$PYTHON" -c 'import subprocess' 2>/dev/null || {
+ PYTHONPATH=$(pwd)/../compat
+ export PYTHONPATH
+}
+test -d ../templates/blt || {
+ error "You haven't built things yet, have you?"
+}