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annex.jobs=cpus etc

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Added the ability to run one job per CPU (core), by setting annex.jobs=cpus,
or using option --jobs=cpus or -Jcpus.

Built with future expansion in mind, including not defaulting matching on
Concurrency so more constructors can later be added, and using "cpu"
instead of "0".
This commit is contained in:
Joey Hess 2019-05-10 13:24:31 -04:00
parent 459bbd9005
commit 82186ca58f
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GPG key ID: DB12DB0FF05F8F38
20 changed files with 105 additions and 32 deletions
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7
CmdLine/GitAnnex/Options.hs
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@ -366,14 +366,15 @@ jsonProgressOption =
jobsOption :: [GlobalOption]
jobsOption =
[ globalSetter set $
option auto
( long "jobs" <> short 'J' <> metavar paramNumber
option (maybeReader parseConcurrency)
( long "jobs" <> short 'J'
<> metavar (paramNumber `paramOr` "cpu")
<> help "enable concurrent jobs"
<> hidden
)
]
where
set n = Annex.changeState $ \s -> s { Annex.concurrency = Concurrent n }
set v = Annex.changeState $ \s -> s { Annex.concurrency = v }
timeLimitOption :: [GlobalOption]
timeLimitOption =