Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
---
meta/classes/sstate.bbclass | 27 +++++++++++++++++++++------
1 file changed, 21 insertions(+), 6 deletions(-)
diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
index 1fa8a63d174..8e8efd18d58 100644
--- a/meta/classes/sstate.bbclass
+++ b/meta/classes/sstate.bbclass
@@ -1146,14 +1146,18 @@ python sstate_eventhandler() {
SSTATE_PRUNE_OBSOLETEWORKDIR ?= "1"
-# Event handler which removes manifests and stamps file for
-# recipes which are no longer reachable in a build where they
-# once were.
+#
+# Event handler which removes manifests and stamps file for recipes which are
no
+# longer 'reachable' in a build where they once were. 'Reachable' refers to
+# whether a recipe is parsed so recipes in a layer which was removed would no
+# longer be reachable. Switching between systemd and sysvinit where recipes
+# became skipped would be another example.
+#
# Also optionally removes the workdir of those tasks/recipes
#
-addhandler sstate_eventhandler2
-sstate_eventhandler2[eventmask] = "bb.event.ReachableStamps"
-python sstate_eventhandler2() {
+addhandler sstate_eventhandler_reachablestamps
+sstate_eventhandler_reachablestamps[eventmask] = "bb.event.ReachableStamps"
+python sstate_eventhandler_reachablestamps() {
import glob
d = e.data
stamps = e.stamps.values()
@@ -1224,6 +1228,17 @@ python sstate_eventhandler2() {
os.remove(preservestampfile)
}
+
+#
+# Bitbake can generate an event showing which setscene tasks are 'stale',
+# i.e. which ones will be rerun. These are ones where a stamp file is present
but
+# it is stable (e.g. taskhash doesn't match). With that list we can go through
+# the manifests for matching tasks and "uninstall" those manifests now. We do
+# this now rather than mid build since the distribution of files between sstate
+# objects may have changed, new tasks may run first and if those new tasks
overlap
+# with the stale tasks, we'd see overlapping files messages and failures.
Thankfully
+# removing these files is fast.
+#
addhandler sstate_eventhandler_stalesstate
sstate_eventhandler_stalesstate[eventmask] = "bb.event.StaleSetSceneTasks"
python sstate_eventhandler_stalesstate() {
--
2.30.2
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