From 764b7279cb31597e39d43309dd8d9d90efe7bbbf Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Thu, 24 Mar 2022 12:29:59 +0100
Subject: [PATCH 1/3] make: pkg.mk: don't call `git am` if there are no patches

---
 pkg/pkg.mk | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkg/pkg.mk b/pkg/pkg.mk
index abc67d51bf..70bbe9e196 100644
--- a/pkg/pkg.mk
+++ b/pkg/pkg.mk
@@ -115,7 +115,9 @@ $(PKG_PATCHED): $(PKG_PATCHED_PREREQUISITES)
 	$(call gen_dependency_files,$@.d,$(PKG_PATCHED_PREREQUISITES))
 	$(Q)$(GIT_IN_PKG) clean $(GIT_QUIET) -xdff '**' -e $(PKG_STATE:$(PKG_SOURCE_DIR)/%='%*')
 	$(Q)$(GIT_IN_PKG) checkout $(GIT_QUIET) -f $(PKG_VERSION)
-	$(Q)$(GIT_IN_PKG) $(GITFLAGS) am $(GITAMFLAGS) $(PKG_PATCHES) </dev/null
+	$(Q) if test -n "$(PKG_PATCHES)" ; then \
+	       $(GIT_IN_PKG) $(GITFLAGS) am $(GITAMFLAGS) $(PKG_PATCHES) </dev/null ; \
+	     fi
 	@touch $@
 
 $(PKG_DOWNLOADED): $(MAKEFILE_LIST) | $(PKG_SOURCE_DIR)/.git

From cd7f790680592363203c9ae1396e2feb1d3cb24c Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Thu, 24 Mar 2022 12:30:26 +0100
Subject: [PATCH 2/3] REMOVEME: limit build

---
 .murdock | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.murdock b/.murdock
index 5c7f147bea..36926e9323 100755
--- a/.murdock
+++ b/.murdock
@@ -1,9 +1,9 @@
 #!/bin/sh
 
 # uncomment and change this to limit builds, e.g.,
-#export BOARDS="samr21-xpro native"
+export BOARDS="samr21-xpro native"
 # and / or
-#export APPS="examples/hello-world tests/unittests"
+export APPS="examples/hello-world tests/unittests tests/pkg_heatshrink"
 
 #
 : ${TEST_BOARDS_AVAILABLE:="esp32-wroom-32 samr21-xpro"}

From 75a16b57fb07487cf2910edfca23b60cbd029a12 Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Thu, 24 Mar 2022 12:31:16 +0100
Subject: [PATCH 3/3] fixup! REMOVEME: limit build

---
 .murdock | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.murdock b/.murdock
index 36926e9323..982ff23e93 100755
--- a/.murdock
+++ b/.murdock
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # uncomment and change this to limit builds, e.g.,
-export BOARDS="samr21-xpro native"
+#export BOARDS="samr21-xpro native"
 # and / or
 export APPS="examples/hello-world tests/unittests tests/pkg_heatshrink"