#4884: registerPackage fails with multiple command line --package-conf= flags
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Reporter: r6 | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 7.2.1
Component: ghc-pkg | Version: 6.12.3
Resolution: invalid | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Linux
Blocking: | Architecture: x86
Failure: Incorrect result at runtime |
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Changes (by simonmar):
* status: new => closed
* resolution: => invalid
Comment:
This is the documented behaviour of `ghc-pkg`. In the output of `ghc-pkg
--help`:
{{{
When asked to modify a database (register, unregister, update,
hide, expose, and also check), ghc-pkg modifies the global database by
default. Specifying --user causes it to act on the user database,
or --package-conf can be used to act on another database
entirely. When multiple of these options are given, the rightmost
one is used as the database to act upon.
}}}
So in your command line:
{{{
ghc-pkg --package-conf=myPkg1 --package-conf=myPkg2 --package-conf=myPkg3
--global --user update newPkg.conf
}}}
Since `--user` is the rightmost option, that is the DB to act on. The
user DB can only depend on the global DB, so you get the stack
`[user,global]`.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4884#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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