https://git.ruby-lang.org/ruby.git/commit/?id=03ca90c732

From 03ca90c732d4e2369d907d3b1b8d641ff4345f5a Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Tue, 31 Mar 2020 17:36:52 +0900
Subject: Share download cache with bundler


diff --git a/defs/gmake.mk b/defs/gmake.mk
index cd72c49..0b9d47a 100644
--- a/defs/gmake.mk
+++ b/defs/gmake.mk
@@ -248,6 +248,12 @@ BUNDLED_GEMS := $(shell sed 's/[ 	][ 	]*/-/;s/[ 	].*//' $(srcdir)/gems/bundled_g https://github.com/ruby/ruby/blob/trunk/defs/gmake.mk#L248
 
 update-gems: | $(patsubst %,gems/%.gem,$(BUNDLED_GEMS))
 
+test-bundler-precheck: | $(srcdir)/.bundle/cache
+
+$(srcdir)/.bundle/cache:
+	$(MAKEDIRS) $(@D)
+	$(LN_S) ../.downloaded-cache $@
+
 gems/%.gem:
 	$(ECHO) Downloading bundled gem $*...
 	$(Q) $(BASERUBY) -C "$(srcdir)" \
diff --git a/template/Makefile.in b/template/Makefile.in
index c527834..a3b067b 100644
--- a/template/Makefile.in
+++ b/template/Makefile.in
@@ -206,6 +206,7 @@ RM            = rm -f https://github.com/ruby/ruby/blob/trunk/template/Makefile.in#L206
 RMDIR         = @RMDIR@
 RMDIRS        = @RMDIRS@
 RMALL         = @RMALL@
+LN_S          = @LN_S@
 NM            = @NM@
 AR            = @AR@
 ARFLAGS       = @ARFLAGS@$(empty)
-- 
cgit v0.10.2


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