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authorRichard Purdie <richard.purdie@linuxfoundation.org>2016-01-16 10:33:18 +0000
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-01-19 16:35:37 +0000
commitecbc1db7ed1f9848dee69507de8eb289b8ddeba0 (patch)
tree1f35b1f18f32614921b43bb732ce2862649f3ab9 /meta/classes/image.bbclass
parent606f9e2d7d8d389c8d4f5c3090139d3bb780e09c (diff)
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image: Fix instability of do_image_* checksums
The do_image_* tasks contained the expanded version of DATETIME. Due to the expansion, we couldn't exclude the value from the task checksum which meant the task would rerun. We fix this by deleting the DATETIME value during expansion so we don't expand any references to at that time. This means the task's hash can be stable rather than having hardcoded date/time values. It will get expanded at execution time. This also fixes errors shown by -S: NOTE: Reparsing files to collect dependency data Writing locked sigs to /home/pokybuild/yocto-autobuilder/yocto-worker/nightly-oe-selftest/build/build/locked-sigs.inc ERROR: Bitbake's cached basehash does not match the one we just generated (/home/pokybuild/yocto-autobuilder/yocto-worker/nightly-oe-selftest/build/meta/recipes-sato/images/core-image-sato.bb.do_image_tar)! ERROR: The mismatched hashes were 77872792556367f1dde49a1425caf1a0 and 9bb0aca6286ab7dd22d3c69964beb665 Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes/image.bbclass')
-rw-r--r--meta/classes/image.bbclass5
1 files changed, 5 insertions, 0 deletions
diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 13b77c9638..a2e966e7ad 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -366,6 +366,10 @@ python () {
localdata.setVar('OVERRIDES', '%s:%s' % (realt, old_overrides))
bb.data.update_data(localdata)
localdata.setVar('type', realt)
+ # Delete DATETIME so we don't expand any references to it now
+ # This means the task's hash can be stable rather than having hardcoded
+ # date/time values. It will get expanded at execution time.
+ localdata.delVar('DATETIME')
image_cmd = localdata.getVar("IMAGE_CMD", True)
vardeps.add('IMAGE_CMD_' + realt)
@@ -394,6 +398,7 @@ python () {
d.setVarFlag('do_image_%s' % t, 'postfuncs', 'create_symlinks')
d.setVarFlag('do_image_%s' % t, 'subimages', subimages)
d.appendVarFlag('do_image_%s' % t, 'vardeps', ' '.join(vardeps))
+ d.appendVarFlag('do_image_%s' % t, 'vardepsexclude', 'DATETIME')
after = 'do_image'
for dep in typedeps[t]: