[Pharo-dev] CI Build order and strange "latest" Pharo 7 effect
astares at gmx.de
Thu Oct 12 08:23:21 EDT 2017
today there was an interesting effect visible for the Pharo build on CI for Pharo 7:
Esteban merged three contributions for Pharo 7 into #development (see ). All three merges on git triggered the CI.
For each a separate build for Pharo 7 started on CI independently.
While usually one would expect the builds in regular build order 183, 184, 185 the CI job for building 185 job was faster
(as you can see on the attached screenshot).
So the 185 series of images was copied first to the file server  because the job was already finished.
Afterwards 183 build completed on CI and these images were copied to the file server with a newer timestamp.
So you have the order 185, 183 with 183 having the files with the newest timestamp (but not being the most recent state of Pharo).
This leads to several unfortunate effects:
1. When you sort on file server  descending by date the build 183 images are newer than the build 185 images
2. When you use PharoLauncher to download "latest-32" you get an 183 image instead of the "real latest" 185 image
3. When you ask Zeroconf to download the latest using http://get.pharo.org/70+vm you also get 183 instead of the already
So as the CI build of an older "update" (here 183) finished later than the most recent version (here 185)
you get 183 as "latest" instead of 185.
Any ideas how we could avoid such a side effect? Maybe a chain on the builds so 183 has to finished before 184 and 185 could be
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