Merge pull request #140 from jhunkeler/version-compare

Add version comparison code

1 files changed, 11 insertions, 0 deletions

diff --git a/src/lib/delivery/include/delivery.h b/src/lib/delivery/include/delivery.h
index e524f4d..c091182 100644
--- a/src/lib/delivery/include/delivery.h
+++ b/src/lib/delivery/include/delivery.h
@@ -21,6 +21,7 @@
 #include "wheel.h"
 #include "wheelinfo.h"
 #include "environment.h"
+#include "version_compare.h"
 
 #define DELIVERY_PLATFORM_MAX 4
 #define DELIVERY_PLATFORM_MAXLEN 65
@@ -451,6 +452,16 @@ int delivery_exists(struct Delivery *ctx);
 int delivery_overlay_packages_from_env(struct Delivery *ctx, const char *env_name);
 
 /**
+ * Conda does not handle version suffixes well, if at all. For example, if pkg-1.2.3rc1 is installed Conda will
+ * silently ignore a request to install pkg-1.2.3. This function serves as a workaround by comparing the version
+ * on-disk, and the requested version from the package list, and if the versions are not equal the on-disk package
+ * is replaced by the one in the package list.
+ *
+ * When a package is present in the list without a pinned version it will be reinstalled with whatever is available
+ */
+int delivery_conda_enforce_package_version(struct Delivery *ctx, const char *env_name, const char *name);
+
+/**
  * Retrieve remote deliveries associated with the current version series
  * @param ctx Delivery context
  * @return -1 on error