download.mk: improve download tarball reproducibility

[openwrt/openwrt.git] / include / download.mk

diff --git a/include/download.mk b/include/download.mk
index 63af9081145c84f2f41eca8222d7b3ace9fa53dd..3c6b4a20cf3dc349ea594846b7deb7c649cbc1d1 100644 (file)
--- a/include/download.mk
+++ b/include/download.mk
@@ -1,11 +1,13 @@
 #
 # Copyright (C) 2006-2012 OpenWrt.org
+# Copyright (C) 2016 LEDE project
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
 OPENWRT_GIT = http://git.openwrt.org
+LEDE_GIT = https://git.lede-project.org
 
 DOWNLOAD_RDEP=$(STAMP_PREPARED) $(HOST_STAMP_PREPARED)
 
@@ -13,7 +15,7 @@ DOWNLOAD_RDEP=$(STAMP_PREPARED) $(HOST_STAMP_PREPARED)
 define dl_method
 $(strip \
   $(if $(2),$(2), \
-    $(if $(filter @APACHE/% @GNOME/% @GNU/% @KERNEL/% @SF/% @SAVANNAH/% ftp://% http://% https://% file://%,$(1)),default, \
+    $(if $(filter @APACHE/% @GITHUB/% @GNOME/% @GNU/% @KERNEL/% @SF/% @SAVANNAH/% ftp://% http://% https://% file://%,$(1)),default, \
       $(if $(filter git://%,$(1)),git, \
         $(if $(filter svn://%,$(1)),svn, \
           $(if $(filter cvs://%,$(1)),cvs, \
@@ -31,13 +33,16 @@ $(strip \
 endef
 
 # code for creating tarballs from cvs/svn/git/bzr/hg/darcs checkouts - useful for mirror support
-dl_pack/bz2=$(TAR) cjf $(1) $(2)
-dl_pack/gz=$(TAR) czf $(1) $(2)
-dl_pack/xz=$(TAR) c $(2) | xz -zc > $(1)
-dl_pack/unknown=echo "ERROR: Unknown pack format for file $(1)"; false
+dl_pack/bz2=bzip2 -c > $(1)
+dl_pack/gz=gzip -nc > $(1)
+dl_pack/xz=xz -zc -7e > $(1)
+dl_pack/unknown=$(error ERROR: Unknown pack format for file $(1))
 define dl_pack
        $(if $(dl_pack/$(call ext,$(1))),$(dl_pack/$(call ext,$(1))),$(dl_pack/unknown))
 endef
+define dl_tar_pack
+       $(TAR) --numeric-owner --owner=0 --group=0 --sort=name $$$${TAR_TIMESTAMP:+--mtime="$$$$TAR_TIMESTAMP"} -c $(2) | $(call dl_pack,$(1))
+endef
 
 define DownloadMethod/unknown
        @echo "ERROR: No download method available"; false
@@ -60,7 +65,7 @@ define DownloadMethod/cvs
                [ \! -d $(SUBDIR) ] && \
                cvs -d $(URL) export $(VERSION) $(SUBDIR) && \
                echo "Packing checkout..." && \
-               $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
+               $(call dl_tar_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
                mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/ && \
                rm -rf $(SUBDIR); \
        )
@@ -77,7 +82,8 @@ define DownloadMethod/svn
                svn export --non-interactive --trust-server-cert -r$(VERSION) $(URL) $(SUBDIR) || \
                svn export --non-interactive -r$(VERSION) $(URL) $(SUBDIR) ) && \
                echo "Packing checkout..." && \
-               $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
+               export TAR_TIMESTAMP="" && \
+               $(call dl_tar_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
                mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/ && \
                rm -rf $(SUBDIR); \
        )
@@ -90,12 +96,13 @@ define DownloadMethod/git
                cd $(TMP_DIR)/dl && \
                rm -rf $(SUBDIR) && \
                [ \! -d $(SUBDIR) ] && \
-               git clone $(URL) $(SUBDIR) && \
+               git clone $(OPTS) $(URL) $(SUBDIR) && \
                (cd $(SUBDIR) && git checkout $(VERSION) && \
                git submodule update --init --recursive) && \
                echo "Packing checkout..." && \
+               export TAR_TIMESTAMP=`cd $(SUBDIR) && git log -1 --format='@%ct'` && \
                rm -rf $(SUBDIR)/.git && \
-               $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
+               $(call dl_tar_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
                mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/ && \
                rm -rf $(SUBDIR); \
        )
@@ -108,9 +115,10 @@ define DownloadMethod/bzr
                cd $(TMP_DIR)/dl && \
                rm -rf $(SUBDIR) && \
                [ \! -d $(SUBDIR) ] && \
-               bzr export -r$(VERSION) $(SUBDIR) $(URL) && \
+               bzr export --per-file-timestamps -r$(VERSION) $(SUBDIR) $(URL) && \
                echo "Packing checkout..." && \
-               $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
+               export TAR_TIMESTAMP="" && \
+               $(call dl_tar_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
                mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/ && \
                rm -rf $(SUBDIR); \
        )
@@ -124,9 +132,10 @@ define DownloadMethod/hg
                rm -rf $(SUBDIR) && \
                [ \! -d $(SUBDIR) ] && \
                hg clone -r $(VERSION) $(URL) $(SUBDIR) && \
+               export TAR_TIMESTAMP=`cd $(SUBDIR) && hg log --template '@{date}' -l 1` && \
                find $(SUBDIR) -name .hg | xargs rm -rf && \
                echo "Packing checkout..." && \
-               $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
+               $(call dl_tar_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
                mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/ && \
                rm -rf $(SUBDIR); \
        )
@@ -140,9 +149,10 @@ define DownloadMethod/darcs
                rm -rf $(SUBDIR) && \
                [ \! -d $(SUBDIR) ] && \
                darcs get -t $(VERSION) $(URL) $(SUBDIR) && \
+               export TAR_TIMESTAMP=`cd $(SUBDIR) && LC_ALL=C darcs log --last 1 | sed -ne 's!^Date: \+!!p'` && \
                find $(SUBDIR) -name _darcs | xargs rm -rf && \
                echo "Packing checkout..." && \
-               $(call dl_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
+               $(call dl_tar_pack,$(TMP_DIR)/dl/$(FILE),$(SUBDIR)) && \
                mv $(TMP_DIR)/dl/$(FILE) $(DL_DIR)/ && \
                rm -rf $(SUBDIR); \
        )
@@ -165,6 +175,7 @@ define Download/Defaults
   MIRROR:=1
   MIRROR_MD5SUM:=x
   VERSION:=
+  OPTS:=
 endef
 
 define Download