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image-artifact-names: Use SOURCE_DATE_EPOCH when making reproducible builds for deploy

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Using DATETIME means the do_deploy output is not deterministic. Use SDE
when using reproducible builds since it is consistent for given input data.

(From OE-Core rev: 0e2fbdb32bae67e71e904a036a38395efb6ec6a6)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie 2021-09-29 20:21:14 +01:00
parent 58298e9717
commit 1c37bbab4f
1 changed files with 8 additions and 1 deletions
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9
meta/classes/image-artifact-names.bbclass
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@ -4,7 +4,7 @@
IMAGE_BASENAME ?= "${PN}"
IMAGE_VERSION_SUFFIX ?= "-${DATETIME}"
IMAGE_VERSION_SUFFIX[vardepsexclude] += "DATETIME"
IMAGE_VERSION_SUFFIX[vardepsexclude] += "DATETIME SOURCE_DATE_EPOCH"
IMAGE_NAME ?= "${IMAGE_BASENAME}-${MACHINE}${IMAGE_VERSION_SUFFIX}"
IMAGE_LINK_NAME ?= "${IMAGE_BASENAME}-${MACHINE}"
@ -13,3 +13,10 @@ IMAGE_LINK_NAME ?= "${IMAGE_BASENAME}-${MACHINE}"
# by default) followed by additional suffices which describe the format (.ext4,
# .ext4.xz, etc.).
IMAGE_NAME_SUFFIX ??= ".rootfs"
python () {
if bb.data.inherits_class('reproducible_build', d) and bb.data.inherits_class('deploy', d) and d.getVar("IMAGE_VERSION_SUFFIX") == "-${DATETIME}":
import datetime
d.setVar("IMAGE_VERSION_SUFFIX", "-" + datetime.datetime.fromtimestamp(int(d.getVar("SOURCE_DATE_EPOCH")), datetime.timezone.utc).strftime('%Y%m%d%H%M%S'))
d.setVarFlag("IMAGE_VERSION_SUFFIX", "vardepvalue", "")
}