diff mbox series

[isar-cip-core,v3,6/8] swupdate.bbclass: Fix file timestamps are not reproducible in swu file

Message ID 20230707141550.27805-7-venkata.pyla@toshiba-tsip.com (mailing list archive)
State Accepted
Headers show
Series Enable swupdate in reproducible check | expand

Commit Message

Venkata Pyla July 7, 2023, 2:15 p.m. UTC 
From: venkata pyla <venkata.pyla@toshiba-tsip.com>

The generated .swu file is not reproducible due to its file contents are
copied with its build time stamps, so set all file timestamps to
SOURCE_DATE_EPOCH value if it is set.

Closes #69

Signed-off-by: venkata pyla <venkata.pyla@toshiba-tsip.com>
---
 classes/swupdate.bbclass | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/classes/swupdate.bbclass b/classes/swupdate.bbclass
index ac59c00..3d2b5f0 100644
--- a/classes/swupdate.bbclass
+++ b/classes/swupdate.bbclass
@@ -115,6 +115,10 @@  IMAGE_CMD:swu() {
         done
         cd "${PP_WORK}/swu"
         for file in "${SWU_DESCRIPTION_FILE}" ${SWU_ADDITIONAL_FILES}; do
+            # Set file timestamps for reproducible builds
+            if [ -n "${SOURCE_DATE_EPOCH}" ]; then
+                touch -d@"${SOURCE_DATE_EPOCH}" "$file"
+            fi
             echo "$file"
             if [ -n "$sign" -a "${SWU_DESCRIPTION_FILE}" = "$file" ]; then
                 if [ "${SWU_SIGNATURE_TYPE}" = "rsa" ]; then
@@ -129,9 +133,13 @@  IMAGE_CMD:swu() {
                         -inkey "${PP_WORK}/dev.key" \
                         -outform DER -nosmimecap -binary
                 fi
+                # Set file timestamps for reproducible builds
+                if [ -n "${SOURCE_DATE_EPOCH}" ]; then
+                    touch -d@"${SOURCE_DATE_EPOCH}" "$file.${SWU_SIGNATURE_EXT}"
+                fi
                 echo "$file.${SWU_SIGNATURE_EXT}"
            fi
-        done | cpio -ovL -H crc > "${SWU_BUILDCHROOT_IMAGE_FILE}"'
+        done | cpio -ovL --reproducible -H crc > "${SWU_BUILDCHROOT_IMAGE_FILE}"'
 }
 
 python do_check_swu_partition_uuids() {