opkg-utils: do not set mtime on data.tar.X

Suggested-by: Tristan Ramseyer <t@ramseyer.email>
(From OE-Core rev: 212f9ecc18aed653c852d21989093841d063fa44)

Signed-off-by: Alejandro del Castillo <alejandro.delcastillo@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/opkg-utils/opkg-utils/0001-opkg-build-do-not-set-mtime-on-data.tar.X.patch

@@ -0,0 +1,33 @@
+From 42afc1f652d28dce3c5b9915d0cd3087a144e445 Mon Sep 17 00:00:00 2001
+From: Alejandro del Castillo <alejandro.delcastillo@ni.com>
+Date: Mon, 18 Feb 2019 11:25:43 -0600
+Subject: [PATCH] opkg-build: do not set mtime on data.tar.X
+
+Opkg should make sure the binaries it creates are created in a
+repoducibe way, but it shouldn't modify the mtime of the binaries it
+consumes. Doing so has side effects, for exmaple, Python pyc files are
+invalidated.
+
+Signed-off-by: Alejandro del Castillo <alejandro.delcastillo@ni.com>
+
+Upstream-Status: Submitted
+---
+ opkg-build | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/opkg-build b/opkg-build
+index 13782ee..363cd01 100755
+--- a/opkg-build
++++ b/opkg-build
+@@ -301,7 +301,7 @@ build_date="${SOURCE_DATE_EPOCH:-$(date +%s)}"
+ 
+ ( cd $pkg_dir/$CONTROL && find . -type f > $tmp_dir/control_list )
+ ( cd $pkg_dir && find . -path ./$CONTROL -prune -o -print > $tmp_dir/file_list )
+-( cd $pkg_dir && tar $ogargs $tsortargs --no-recursion --mtime=@$build_date -c $tarformat -T $tmp_dir/file_list | $compressor $compressorargs > $tmp_dir/data.tar.$cext )
++( cd $pkg_dir && tar $ogargs $tsortargs --no-recursion -c $tarformat -T $tmp_dir/file_list | $compressor $compressorargs > $tmp_dir/data.tar.$cext )
+ ( cd $pkg_dir/$CONTROL && tar $ogargs $tsortargs --no-recursion --mtime=@$build_date -c $tarformat -T $tmp_dir/control_list | gzip $zipargs > $tmp_dir/control.tar.gz )
+ rm $tmp_dir/file_list
+ rm $tmp_dir/control_list
+-- 
+2.20.1
+

meta/recipes-devtools/opkg-utils/opkg-utils_0.4.0.bb

@@ -9,6 +9,7 @@ PROVIDES += "${@bb.utils.contains('PACKAGECONFIG', 'update-alternatives', 'virtu
 
 SRC_URI = "http://git.yoctoproject.org/cgit/cgit.cgi/${BPN}/snapshot/${BPN}-${PV}.tar.gz \
            file://0001-Switch-all-scripts-to-use-Python-3.x.patch \
+           file://0001-opkg-build-do-not-set-mtime-on-data.tar.X.patch \
 "
 UPSTREAM_CHECK_URI = "http://git.yoctoproject.org/cgit/cgit.cgi/opkg-utils/refs/"