[Hackage] #329: Cabal regenerates Paths_package unnecessarily
#329: Cabal regenerates Paths_package unnecessarily ----------------------------+----------------------------------------------- Reporter: guest | Owner: Type: defect | Status: new Priority: normal | Milestone: Component: Cabal library | Version: 1.4.0.1 Severity: normal | Keywords: Difficulty: normal | Ghcversion: 6.8.2 Platform: | ----------------------------+----------------------------------------------- Every time I run {{{cabal install}}}, cabal rebuilds and relinks part of my application, because it generates a fresh Paths_package, even though it is the same. When overwriting Paths_package Cabal should first check to see if the code changes, and if not, not write anything. Example of the bug: {{{ C:\Neil\hoogle>cabal --version cabal-install version 0.5.2 using version 1.4.0.1 of the Cabal library C:\Neil\hoogle>cabal install Resolving dependencies... Configuring hoogle-4.0.0.4... Preprocessing executables for hoogle-4.0.0.4... Building hoogle-4.0.0.4... [ 4 of 77] Compiling Paths_hoogle ( dist\build\autogen/Paths_hoogle.hs, dist \build\hoogle\hoogle-tmp/Paths_hoogle.o ) Linking dist\build\hoogle\hoogle.exe ... Installing: C:\Documents and Settings\Administrator\Application Data\cabal\bin C:\Neil\hoogle>cabal install Resolving dependencies... Configuring hoogle-4.0.0.4... Preprocessing executables for hoogle-4.0.0.4... Building hoogle-4.0.0.4... [ 4 of 77] Compiling Paths_hoogle ( dist\build\autogen/Paths_hoogle.hs, dist \build\hoogle\hoogle-tmp/Paths_hoogle.o ) Linking dist\build\hoogle\hoogle.exe ... Installing: C:\Documents and Settings\Administrator\Application Data\cabal\bin }}} -- Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/329> Hackage <http://haskell.org/cabal/> Hackage: Cabal and related projects
#329: Cabal regenerates Paths_package unnecessarily ----------------------------+----------------------------------------------- Reporter: guest | Owner: Type: defect | Status: closed Priority: normal | Milestone: Component: Cabal library | Version: 1.4.0.1 Severity: normal | Resolution: fixed Keywords: | Difficulty: normal Ghcversion: 6.8.2 | Platform: ----------------------------+----------------------------------------------- Changes (by duncan): * status: new => closed * resolution: => fixed Comment: Fixed in Cabal HEAD 7 days ago. How's that for a response time? ;-) {{{ Wed Aug 13 20:32:45 BST 2008 Duncan Coutts Wed Aug 13 20:20:17 BST 2008 Duncan Coutts <duncan@haskell.org> * Add util rewriteFile :: FilePath -> String -> IO () Write a file but only if it would have new content. If we would be writing the same as the existing content then leave the file as is so that we do not update the file's modification time. <duncan@haskell.org> * Move Paths_pkgname and cabal_macros.h generation into their own modules }}} -- Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/329#comment:1> Hackage <http://haskell.org/cabal/> Hackage: Cabal and related projects
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