From 2f9339b2af81994e4a4cdf5869dcbc9dee4b436f Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Wed, 21 Feb 2018 17:04:04 +0100
Subject: Makefile: new target clean_failed candidate

uses the fact that packer deletes the output directory if the build
fails, hence it is enough to check for the presence of
<flavor>.<timestamp>/build to detect whether a build was successful or
not.
---
 Makefile | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 1b79e7f..56e5bae 100644
--- a/Makefile
+++ b/Makefile
@@ -99,7 +99,7 @@ ifdef VERBOSE
 endif
 
 
-.PHONY: help clean_except_last clean_bases clean_all
+.PHONY: help clean_except_last clean_bases clean_all clean_failed
 help:
 
 
@@ -170,6 +170,18 @@ clean_except_last:
 		    | xargs -r -0 -n1 rm -rf; )
 
 
+clean_failed:
+	@-$(foreach template,$(TEMPLATES),\
+		test -d $(template) && \
+		    find $(template)/* \
+		        -maxdepth 0 \
+		        -type d \
+		        -not -name base \
+		        -print0 \
+		    | xargs -r -0 -n1 -i \
+		        $(SHELL) -c 'test -d "{}/build" || rm -rf "{}"')
+
+
 clean_bases:
 	@-$(foreach template,$(TEMPLATES),\
 		test -d $(template) && rm -rf $(template)/base;)
-- 
cgit v1.2.3-55-g7522