Set conda channels conditionally

gitlab/functions.sh

@@ -361,8 +361,13 @@ if [ -z "${DOCSERVER}" ]; then
   export_env DOCSERVER
 fi
 
-CONDA_CHANNEL="${DOCSERVER}/public/conda/label/main"
-CONDA_BETA_CHANNEL="${DOCSERVER}/private/conda"
+if [ -z "${CONDA_CHANNEL}" ]; then
+  CONDA_CHANNEL="${DOCSERVER}/public/conda/label/main"
+fi
+
+if [ -z "${CONDA_BETA_CHANNEL}" ]; then
+  CONDA_BETA_CHANNEL="${DOCSERVER}/private/conda"
+fi
 
 # Sets up the location of our rc file for conda
 CONDARC=${CONDA_ROOT}/condarc