bash: use build environment from Makefile

To Makefile target brand, add creation of bash environment in::

  utils/brand.env

In bash scripts (manage.sh) source env by::

  . utils/brand.env

manage.sh help: show GIT_URL and more environment

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

manage.sh

@@ -10,6 +10,7 @@ PYTHONPATH="$BASE_DIR"
 SEARX_DIR="$BASE_DIR/searx"
 ACTION="$1"
 
+. "${BASE_DIR}/utils/brand.env"
 
 #
 # Python
@@ -186,6 +187,13 @@ Commands
     Build
     -----
     locales              - Compile locales
+
+Environment:
+    GIT_URL:          ${GIT_URL}
+    ISSUE_URL:        ${ISSUE_URL}
+    SEARX_URL:        ${SEARX_URL}
+    DOCS_URL:         ${DOCS_URL}
+    PUBLIC_INSTANCES: ${PUBLIC_INSTANCES}
 "
 }