Merge changes from upstream to fix "rm: cannot remove '/app': Read-only file system" #1
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Since otherwise once Heroku builds are run from `/app`, builds will output warnings due to the `/app` root being read only: ``` remote: -----> Subdir buildpack app detected ... remote: cleaning build dir /app remote: rm: cannot remove '/app': Read-only file system ``` Fixes #9.
Don't delete the build directory root
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cc @lrewater |
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Hi
I'm on the team that maintains Heroku's build system and official buildpacks.
Very soon we are going to make a change to the Heroku build system that will mean builds using this buildpack emit warnings like:
A fix for these build log warnings has been merged into the upstream repository from which this one is forked:
timanovsky#10
This PR merges the changes from the upstream repository (which include that fix) back to this fork, so as to avoid these warnings in your builds in the future.
If you would like to avoid the merge commit from this PR (so that the two repository's Git histories do not diverge), then I'd recommend closing this PR as unmerged, and instead pulling upstream directly into
masterof this repo.For more information about the upcoming Heroku build system change and why this fix was needed, see:
timanovsky#9
I'm also happy to answer any questions you may have via discussion on this PR :-)