499e20c0b2
fail is moving out of Monad and into it's own MonadFail class. This will be enforced in GHC 8.8 (I think). base-compat/base-compat-batteries 0.11.0 have adapted to this, and are approaching stackage nightly (https://github.com/commercialhaskell/stackage/issues/4802). hledger is now ready to build with base-compat-batteries 0.11.0, once all of our deps do (eg aeson). We are still compatible with the older 0.10.x and GHC 7.10.3 as well. For now we are using both fails: - new fail (from Control.Monad.Fail), used in our parsers, imported via base-compat-batteries Control.Monad.Fail.Compat to work with older GHC versions. - old fail (from GHC.Base, exported by Prelude, Control.Monad, Control.Monad.State.Strict, Prelude.Compat, ...), used in easytest's Test, since I couldn't find their existing fail implementation to update. To reduce (my) confusion, these are imported carefully, consistently, and qualified everywhere as Fail.fail and Prelude.fail, with clashing re-exports suppressed, like so: import Prelude hiding (fail) import qualified Prelude (fail) import Control.Monad.State.Strict hiding (fail) import "base-compat-batteries" Prelude.Compat hiding (fail) import qualified "base-compat-batteries" Control.Monad.Fail.Compat as Fail
37 lines
813 B
YAML
37 lines
813 B
YAML
# stack build plan using GHC 8.6.5
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resolver: lts-14.4
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#resolver: nightly-2019-07-26
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packages:
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- hledger-lib
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- hledger
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- hledger-ui
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- hledger-web
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#- hledger-api
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nix:
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pure: false
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packages: [perl gmp ncurses zlib]
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# allow-newer: true
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extra-deps:
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# for hledger-lib:
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# testing:
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# - base-compat-batteries-0.11.0
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# - base-compat-0.11.0
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# for hledger:
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# for hledger-ui:
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# for hledger-web:
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# for hledger-api:
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# Workaround for https://github.com/commercialhaskell/stack/issues/3922
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# Try dropping this.. after stack 2 has been out a while ? Or now ? How about now ?
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#- haskell-src-exts-1.21.0
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# Use at least 0.46 to work around https://github.com/simonmichael/hledger/issues/1039
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# (hledger-web build failure with GHC 8.6 on Windows 7)
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# Might also be fixed by using GHC 8.6.5+, mixed reports
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#- unix-time-0.4.6
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