Combining parallel files leaves the old data files around.

[nedbat]

From Dirkjan Ochtman (hg dev):

BTW, I modified our coverage.py use to use the parallel files (with
the PID in the filename), but apparently the combination step leaves
behind the old files (leading some people to complain about the disk
use). There wasn't anything in the code that I could use for this, as
far as I could see from a quick glance. Is that right? Might be a
useful option for a future release.

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• Bitbucket: https://bitbucket.org/ned/coveragepy/issue/40

[nedbat]

Fixed in <<changeset cd735ea5fc00 (bb)>>. Now all files combined are deleted once done.

[nedbat]

Original comment by Geoff Bache (Bitbucket: geoffbache, GitHub: Unknown)

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Just saw this. It would be useful if there was a way to get the old behaviour back, perhaps a command line switch. The problem with deleting the source by default is that if you don't get what you expect, it's very difficult to establish what happened.