21230: Clean up venv diagnostic output

This output stopped making sense in the transition from using virtualenv
to the venv module. The module doesn't really have a version separate
from Python, so just report a boolean result. Refs #21230.

Arvados-DCO-1.1-Signed-off-by: Brett Smith <brett.smith@curii.com>

diff --git a/build/run-tests.sh b/build/run-tests.sh
index 70437bd21cdff07da8f279a3999b8f58bb0fb3ac..bd13bb22d972ec677449bea041c298ced0afa3d1 100755 (executable)
--- a/build/run-tests.sh
+++ b/build/run-tests.sh
@@ -208,7 +208,8 @@ sanity_checks() {
     find /usr/include -path '*gnutls/gnutls.h' | egrep --max-count=1 . \
         || fatal "No gnutls/gnutls.h. Try: apt-get install libgnutls28-dev"
     echo -n 'virtualenv: '
-    python3 -m venv -h | egrep --max-count=1 . \
+    python3 -m venv --help | grep -q '^usage: venv ' \
+        && echo "venv module found" \
         || fatal "No virtualenv. Try: apt-get install python3-venv"
     echo -n 'Python3 pyconfig.h: '
     find /usr/include -path '*/python3*/pyconfig.h' | egrep --max-count=1 . \