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authorAntoine Eiche2015-07-21 11:30:40 +0200
committerJoey Hess2015-07-21 11:14:44 -0400
commit7ff39bb09840c27b4bd04f692dff2e4d45c83924 (patch)
treef355316efc032e022b638dff24f8c7fb10349c11 /Setup.hs
parent2932c2b420a3d059be0faecc2113f19f1171af4d (diff)
Add operator onChangeFlagOnFail.
It seems like `onChange` except that if property y fails, a flag file is generated. On next runs, if the flag file is present, property y is executed even if property x doesn't change. With `onChange`, if y fails, the property x `onChange` y returns `FailedChange`. But if this property is applied again, it returns `NoChange`. This behavior can cause trouble...
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