From cc3fc8ebb7316a2c0c0c34eabbe680bbc54a5efa Mon Sep 17 00:00:00 2001
From: Karl Fessel <karl.fessel@ovgu.de>
Date: Mon, 12 Apr 2021 12:32:49 +0200
Subject: [PATCH] makesystem: clone pkgs without history

there is no git clone left since git clone does not support getting
specific commits ->:
- init empty repo,
- setup remote origin
- configure
- fetch
- checkout
---
 pkg/pkg.mk | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkg/pkg.mk b/pkg/pkg.mk
index 96494f53cd..3825340236 100644
--- a/pkg/pkg.mk
+++ b/pkg/pkg.mk
@@ -128,11 +128,24 @@ $(PKG_DOWNLOADED): $(MAKEFILE_LIST) | $(PKG_SOURCE_DIR)/.git
 	fi
 	echo $(PKG_VERSION) > $@
 
+ifeq ($(GIT_CACHE_DIR),$(wildcard $(GIT_CACHE_DIR)))
 $(PKG_SOURCE_DIR)/.git: | $(PKG_CUSTOM_PREPARED)
 	$(info [INFO] cloning $(PKG_NAME))
 	$(Q)rm -Rf $(PKG_SOURCE_DIR)
 	$(Q)mkdir -p $(PKG_SOURCE_DIR)
 	$(Q)$(GITCACHE) clone $(PKG_URL) $(PKG_VERSION) $(PKG_SOURCE_DIR)
+else
+$(PKG_SOURCE_DIR)/.git: | $(PKG_CUSTOM_PREPARED)
+	$(info [INFO] cloning without cache $(PKG_NAME))
+	$(Q)rm -Rf $(PKG_SOURCE_DIR)
+	$(Q)mkdir -p $(PKG_SOURCE_DIR)
+	$(Q)git init -q $(PKG_SOURCE_DIR)
+	$(Q)$(GIT_IN_PKG) remote add origin $(PKG_URL)
+	$(Q)$(GIT_IN_PKG) config extensions.partialClone origin
+	$(Q)$(GIT_IN_PKG) config advice.detachedHead false
+	$(Q)$(GIT_IN_PKG) fetch --depth=1 -t --filter=blob:none origin $(PKG_VERSION)
+	$(Q)$(GIT_IN_PKG) checkout $(PKG_VERSION)
+endif
 
 ifeq ($(PKG_SOURCE_DIR),$(PKG_BUILD_DIR))
 # This is the case for packages that are built within their source directory