From 07049ea9f692053e9eeeb978ae632f62c73cd61c Mon Sep 17 00:00:00 2001
From: Manuel Messner
Date: Tue, 20 Feb 2018 16:21:56 +0100
Subject: Makefile: clean_except_last: fix bug if no prov builds available

---
 Makefile | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 65b7093..1b79e7f 100644
--- a/Makefile
+++ b/Makefile
@@ -154,12 +154,20 @@ $(BOOTTARGETS):
 
 clean_except_last:
 	@-$(foreach template,$(TEMPLATES),\
-		$(foreach flavor,$(FLAVORS),\
-			test -d $(template) && \
-			    find $(template)/* -maxdepth 0 -type d \
-			        -not -name base \
-			        -not -wholename $(template)/$$(readlink $(template)/$(flavor).latest) \
-			        -print0 | xargs -0 rm -rf);)
+		$(eval exclusions := $(shell test -d $(template) && \
+		                                find $(template) \
+		                                    -maxdepth 1 \
+		                                    -type l \
+		                                    -print0 \
+		                                | xargs -r -0 -n1 readlink))\
+		test -d $(template) && \
+		    find $(template)/* \
+		        -maxdepth 0 \
+		        -type d \
+		        $(foreach file,$(exclusions),-not -name $(file) ) \
+		        -not -name base \
+		        -print0 \
+		    | xargs -r -0 -n1 rm -rf; )
 
 
 clean_bases:
-- 
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