Add (conda|pip)_packages_purge configuration keys and driver

1 files changed, 14 insertions, 0 deletions

diff --git a/src/lib/delivery/include/delivery.h b/src/lib/delivery/include/delivery.h
index a3843f5..26a5499 100644
--- a/src/lib/delivery/include/delivery.h
+++ b/src/lib/delivery/include/delivery.h
@@ -141,8 +141,10 @@ struct Delivery {
         char *tool_build_version;               ///< Installed version of "build" package
         struct StrList *conda_packages;         ///< Conda packages to deliver
         struct StrList *conda_packages_defer;   ///< Conda recipes to be built for delivery
+        struct StrList *conda_packages_purge;   ///< Conda packages to remove from a delivery (for: based_on)
         struct StrList *pip_packages;           ///< Python packages to install (pip)
         struct StrList *pip_packages_defer;     ///< Python packages to be built for delivery
+        struct StrList *pip_packages_purge;     ///< Python packages to remove from a delivery (for: based_on)
         struct StrList *wheels_packages;        ///< Wheel packages built for delivery
     } conda;
 
@@ -445,4 +447,16 @@ int delivery_overlay_packages_from_env(struct Delivery *ctx, const char *env_nam
  */
 int delivery_series_sync(struct Delivery *ctx);
 
+/**
+ * Remove packages from an environment
+ * @param ctx Delivery context
+ * @param env_name Name of conda environment
+ * @param use_pkg_manager PKG_USE_PIP
+ * @param use_pkg_manager PKG_USE_CONDA
+ * @returns -1 on error
+ * @returns 0 on success
+ * @returns >0 on failure
+ */
+int delivery_purge_packages(struct Delivery *ctx, const char *env_name, int use_pkg_manager);
+
 #endif //STASIS_DELIVERY_H