Difference between revisions of "PkgEnv"
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| − | == PkgEnv == |
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| − | === Session Example === |
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| − | We start creating a new package environment: |
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| − | |||
| − | <pre> |
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| − | hypermac:trash paolo$ pkgenv binary.env |
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| − | Using GHC 6.10.1 (full path: /opt/local/bin/ghc-6.10.1) |
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| − | Using cabal-install 0.6.2 (full path: /Users/paolo/.cabal/bin/cabal) |
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| − | Installing package environment in /Users/paolo/trash/binary.env. |
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| − | Done! |
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| − | |||
| − | Usage: |
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| − | bash> source /Users/paolo/trash/binary.env/bin/activate |
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| − | (binary.env)bash> deactivate |
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| − | bash> |
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| − | hypermac:trash paolo$ |
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| − | </pre> |
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| − | |||
| − | We activate the new environment (the bash prompt is changed accordingly): |
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| − | <pre> |
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| − | hypermac:trash paolo$ source binary.env/bin/activate |
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| − | (binary.env)hypermac:trash paolo$ |
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| − | </pre> |
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| − | All tools run now by default on the system package DB and the |
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| − | newly created/empty user package DB: |
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| − | <pre> |
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| − | (binary.env)hypermac:trash paolo$ ghc-pkg list |
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| − | /opt/local/lib/ghc-6.10.1/./package.conf: |
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| − | Cabal-1.6.0.1, HUnit-1.2.0.3, QuickCheck-1.2.0.0, array-0.2.0.0, |
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| − | base-3.0.3.0, base-4.0.0.0, bytestring-0.9.1.4, containers-0.2.0.0, |
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| − | directory-1.0.0.2, (dph-base-0.3), (dph-par-0.3), |
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| − | (dph-prim-interface-0.3), (dph-prim-par-0.3), (dph-prim-seq-0.3), |
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| − | (dph-seq-0.3), editline-0.2.1.0, filepath-1.1.0.1, (ghc-6.10.1), |
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| − | ghc-prim-0.1.0.0, haddock-2.3.0, haskell-src-1.0.1.3, |
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| − | haskell98-1.0.1.0, hpc-0.5.0.2, html-1.0.1.2, integer-0.1.0.0, |
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| − | mtl-1.1.0.2, network-2.2.0.1, old-locale-1.0.0.1, old-time-1.0.0.1, |
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| − | packedstring-0.1.0.1, parallel-1.1.0.0, parsec-2.1.0.1, |
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| − | pretty-1.0.1.0, process-1.0.1.0, random-1.0.0.1, |
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| − | regex-base-0.72.0.2, regex-compat-0.71.0.1, regex-posix-0.72.0.3, |
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| − | rts-1.0, stm-2.1.1.2, syb-0.1.0.0, template-haskell-2.3.0.0, |
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| − | time-1.1.2.2, unix-2.3.1.0, xhtml-3000.2.0.1 |
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| − | /Users/paolo/trash/binary.env/ghc-packages.conf: |
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| − | </pre> |
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| − | |||
| − | Let's install a package inside the new environment: |
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| − | |||
| − | <pre> |
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| − | (binary.env)hypermac:trash paolo$ cabal install --verbose=0 binary |
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| − | Reading package info from "dist/installed-pkg-config" ... done. |
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| − | Writing new package config file... done. |
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| − | (binary.env)hypermac:trash paolo$ ghc-pkg list |
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| − | /opt/local/lib/ghc-6.10.1/./package.conf: |
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| − | Cabal-1.6.0.1, HUnit-1.2.0.3, QuickCheck-1.2.0.0, array-0.2.0.0, |
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| − | base-3.0.3.0, base-4.0.0.0, bytestring-0.9.1.4, containers-0.2.0.0, |
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| − | directory-1.0.0.2, (dph-base-0.3), (dph-par-0.3), |
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| − | (dph-prim-interface-0.3), (dph-prim-par-0.3), (dph-prim-seq-0.3), |
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| − | (dph-seq-0.3), editline-0.2.1.0, filepath-1.1.0.1, (ghc-6.10.1), |
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| − | ghc-prim-0.1.0.0, haddock-2.3.0, haskell-src-1.0.1.3, |
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| − | haskell98-1.0.1.0, hpc-0.5.0.2, html-1.0.1.2, integer-0.1.0.0, |
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| − | mtl-1.1.0.2, network-2.2.0.1, old-locale-1.0.0.1, old-time-1.0.0.1, |
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| − | packedstring-0.1.0.1, parallel-1.1.0.0, parsec-2.1.0.1, |
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| − | pretty-1.0.1.0, process-1.0.1.0, random-1.0.0.1, |
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| − | regex-base-0.72.0.2, regex-compat-0.71.0.1, regex-posix-0.72.0.3, |
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| − | rts-1.0, stm-2.1.1.2, syb-0.1.0.0, template-haskell-2.3.0.0, |
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| − | time-1.1.2.2, unix-2.3.1.0, xhtml-3000.2.0.1 |
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| − | /Users/paolo/trash/binary.env/ghc-packages.conf: |
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| − | binary-0.4.4 |
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| − | </pre> |
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| − | |||
| − | We can now use the new package: |
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| − | |||
| − | <pre> |
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| − | (binary.env)hypermac:trash paolo$ ghci |
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| − | GHCi, version 6.10.1: http://www.haskell.org/ghc/ :? for help |
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| − | Loading package ghc-prim ... linking ... done. |
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| − | Loading package integer ... linking ... done. |
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| − | Loading package base ... linking ... done. |
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| − | Prelude> import Data.Binary |
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| − | Prelude Data.Binary> |
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| − | </pre> |
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| − | and leave the environment: |
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| − | <pre> |
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| − | (binary.env)hypermac:trash paolo$ deactivate |
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| − | hypermac:trash paolo$ |
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| − | </pre> |
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| − | and when you're done with the environment, simply remove it: |
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| − | |||
| − | <pre> |
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| − | hypermac:trash paolo$ rm -rf binary.env |
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| − | </pre> |
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