Merge branch 'scalar-ci'

For ease of development, build and test `scalar`, too.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

.github/workflows/main.yml

@@ -4,6 +4,7 @@ on: [push, pull_request]
 
 env:
   DEVELOPER: 1
+  INCLUDE_SCALAR: YesPlease
 
 jobs:
   ci-config:

ci/run-test-slice.sh

@@ -17,4 +17,9 @@ make --quiet -C t T="$(cd t &&
 # Run the git subtree tests only if main tests succeeded
 test 0 != "$1" || make -C contrib/subtree test
 
+if test 0 = "$1" && test -n "$INCLUDE_SCALAR"
+then
+	make -C contrib/scalar/t
+fi
+
 check_unignored_build_artifacts