ci: use $BUILD_TAG to create database name (#.....)

tests/settings.py

@@ -4,7 +4,7 @@ DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
         'TEST': {
-            'NAME': 'bidon-test-%s' % os.environ.get("BRANCH_NAME", "").replace('/', '-')[:63],
+            'NAME': ('bidon-test-%s' % os.environ.get("BUILD_TAG", "").replace('%2', '-').removeprefix('jenkins-'))[:63],
         },
     }
 }

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/bidon/{env:BRANCH_NAME:}
+toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/bidon/{env:BUILD_TAG:}
 envlist = py3-django22-coverage-junit
 
 [testenv]
@@ -7,6 +7,7 @@ usedevelop = True
 setenv =
   DJANGO_SETTINGS_MODULE=bidon.settings
   BIDON_SETTINGS_FILE=tests/settings.py
+  BUILD_TAG={env:BUILD_TAG:}
   BRANCH_NAME={env:BRANCH_NAME:}
   coverage: COVERAGE=--cov-report xml --cov-report html --cov=bidon/
   junit: JUNIT=--junitxml=junit-{envname}.xml