forked from hasufell/hasufell-repository
dev-lang/ghc-bin: add SLOT 8.2.2
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# ghc-pkg command line completion for bash
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#
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# Copyright 2006-2007 Lennart Kolmodin <kolmodin@dtek.chalmers.se>
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_ghc-pkg-get-ghc-pkg()
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{
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echo ghc-pkg
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}
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_ghc-pkg-pkg-fields()
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{
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# usage: _ghc-pkg-pkg-fields pkg-id
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#
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# list all fields of the pkg-id
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# same fields for all packages but different in different versions of
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# ghc-pkg? this can probably be done better/faster
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if [[ -z "$1" ]]; then
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echo "usage: _ghc-pkg-pkg-fields pkg-id"
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return 1
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fi
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local fields
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fields="$( $(_ghc-pkg-get-ghc-pkg) describe $1 )"
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#if [[ fields != *"cannot find package"* ]]; then
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echo "$fields" | grep ".*:.*" | sed "s/^\(.*\):.*\$/\1/"
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#fi
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}
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_ghc-pkg-pkg-ids()
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{
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# usage: _ghc-pkg-pkg-ids
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#
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# simply lists all package ids known by ghc-pkg.
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$(_ghc-pkg-get-ghc-pkg) list --simple-output
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}
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_ghc-pkg-pkgs()
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{
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# usage: _ghc-pkg-pkgs [include-pkgs] [include-ids]
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#
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# with optional parameter include-pkgs it will list all packages known
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# to ghc-pkg.
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# with optional parameter include-ids it will list all package-ids known
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# to ghc-pkg.
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local pkgs
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local result
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pkgs=( $( _ghc-pkg-pkg-ids ) )
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result=( )
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local withPkgs="no" withIds="no"
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while [[ -n "$1" ]]; do
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case "$1" in
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include-pkgs)
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withPkgs="yes" ;;
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include-ids)
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withIds="yes" ;;
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*)
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echo "unknown parameter '$1' to _ghc-pkg-pkgs"
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return 1 ;;
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esac
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shift
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done
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# user must supply either include-pkgs, include-ids or both
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if [[ $withPkgs != "yes" && $withIds != "yes" ]]; then
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echo "usage: _ghc-pkg-pkgs [include-pkgs] [include-ids]"
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return 1
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fi
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# find all packages if the user requested them
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if [[ $withPkgs == "yes" ]]; then
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# O(n^2) algorithm to exclude duplicates
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for p in ${pkgs[*]}; do
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p="${p//-[0-9.]*/}"
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for existing in ${result[*]}; do
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if [[ "$existing" == "$p" ]]; then
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continue 2
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fi
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done
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result=( "${result[@]}" "${p}" )
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done
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fi
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# include all pkg-ids if requested
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if [[ $withIds == "yes" ]]; then
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result=( "${result[@]}" "${pkgs[@]}" )
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fi
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# we are finished, echo the result
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echo "${result[*]}"
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# happy ending
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return 0
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}
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_ghc-pkg()
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{
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local cur
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cur=${COMP_WORDS[COMP_CWORD]}
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COMPREPLY=()
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local actions flags
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actions='register update unregister expose hide list latest describe field'
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dbflags="--user \
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--global \
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-f --package-conf= \
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--global-conf="
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registerflags="--force \
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-g --auto-ghci-libs \
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-D --define-name="
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listflags="--simple-output"
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flags="$dbflags \
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$registerflags \
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$listflags \
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-? --help \
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-V --version"
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# if it's the users first word; complete it and return
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if (($COMP_CWORD == 1)); then
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COMPREPLY=( $( compgen -W "$actions $flags" -- $cur ) )
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return 0
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fi
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# now we know we have at least one word written
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local action="unknown" \
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prev numwords \
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cword act
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prev=${COMP_WORDS[COMP_CWORD-1]}
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numwords=${#COMP_WORDS[@]}
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# find the action with O(n*m) algorithm
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# where n = ${#COMP_WORDS[*]}
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# m = number of actions
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for cword in ${COMP_WORDS[*]}; do
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for act in $actions; do
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if [[ "$cword" == "$act" ]]; then
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action=$cword
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fi
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done
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done
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case $action in
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register|update)
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# we want to complete both flags and paths, how?
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# we do it by checking if the user has started to write a flag
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# or a path, and then decide what to complete.
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# that is, to complete a flag, the user must start to write a '-'
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if [[ "$cur" == -* ]]; then
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# (we assume) it's the start of a flag
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# set COMPREPLY to flags relevant to these actions
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COMPREPLY=( $( compgen -W "$dbflags $registerflags" -- $cur ) )
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fi
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;;
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unregister|expose|hide|list|describe)
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# all these actions can be completed with exactly one argument,
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# a pkg-id.
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COMPREPLY=( $( compgen -W "$dbflags" -- $cur ) )
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# add special flags for some actions
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if [[ "$action" == "list" ]]; then
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COMPREPLY+=( $( compgen -W "$listflags" -- $cur ) )
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fi
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COMPREPLY+=( $( compgen -W "$( _ghc-pkg-pkgs include-ids )" -- $cur ) )
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;;
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latest)
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# complete only packages, not package ids
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COMPREPLY=( $( compgen -W "$( _ghc-pkg-pkgs include-pkgs )" -- $cur ) )
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;;
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field)
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# we should always complete on the flags...
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COMPREPLY=( $( compgen -W "$dbflags" -- $cur ) )
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# then, we should either complete the package name or the field
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# lets find out which one
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# find the number of words in COMP_WORDS before COMP_CWORD that
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# isn't flags. it should be 2 or 3 for us to complete it,
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# exactly 2 if we should complete the package name
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# exactly 3 if we should complete the field name
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# otherwise, don't do any additional completion except the
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# flags
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# count the number of non flags up till the current word
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local numnonflags=0 lastword i
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for (( i=0 ; $i < $COMP_CWORD ; i++ )); do
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if [[ ${COMP_WORDS[$i]} != -* ]]; then
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lastword=${COMP_WORDS[$i]}
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numnonflags=$(( ++numnonflags ))
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fi
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done
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case $numnonflags in
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2)
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# complete on pkg-ids
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COMPREPLY+=( $( compgen -W "$( _ghc-pkg-pkgs include-ids )" -- $cur ) ) ;;
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3)
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# complete on fields
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COMPREPLY+=( $( compgen -W "$( _ghc-pkg-pkg-fields $lastword )" -- $cur ) ) ;;
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esac
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;;
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*)
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# unknown action, not yet given by the user
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# return all possible completions
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COMPREPLY=( $( compgen -W "$actions $flags" -- $cur ) )
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;;
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esac
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}
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complete -F _ghc-pkg -o default ghc-pkg
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# vim: set ft=sh tw=80 sw=4 et :
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@ -0,0 +1,84 @@
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# Copyright 2018 Julian Ospald <hasufell@posteo.de>
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# Distributed under the terms of the GNU General Public License v2
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require bash-completion alternatives
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SUMMARY="The Glorious Glasgow Haskell Compilation System"
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DESCRIPTION="
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GHC is a state-of-the-art, open source, compiler and interactive environment for the functional
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language Haskell."
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HOMEPAGE="https://www.haskell.org/ghc/"
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DOWNLOADS="https://downloads.haskell.org/~ghc/${PV}/ghc-${PV}-x86_64-deb7-linux.tar.xz"
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LICENCES="BSD-3"
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SLOT="${PV}"
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PLATFORMS="-* ~amd64"
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MYOPTIONS=""
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DEPENDENCIES="
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build+run:
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dev-lang/perl:*[>=5.6.1]
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dev-libs/gmp[>=6.1] [[ note = [ depends on libgmp.so.10 ] ]]
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sys-libs/ncurses[>=6.1-r2] [[ note = [ Only these include libtinfo.so symlinks ] ]]
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!dev-lang/ghc [[
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description = [ Both install the same binaries/libs and alternatives ]
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resolution = uninstall-blocked-before
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]]
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suggestion:
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dev-lang/llvm[>=2.7] [[ description = [ LLVM can be used for code generation and linking ] ]]
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"
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BUGS_TO="hasufell@posteo.de"
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REMOTE_IDS="freecode:${PN}"
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UPSTREAM_RELEASE_NOTES="http://www.haskell.org/${PN}/docs/${PV}/html/users_guide/release-${PV//./-}.html"
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RESTRICT="test"
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WORK=${WORKBASE}/ghc-${PV}
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src_configure() {
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# we are not building, shut up already
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edo mkdir "${TEMP}"/bin
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edo ln -s /usr/$(exhost --target)/bin/$(exhost --tool-prefix)ar "${TEMP}/bin/ar"
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edo ln -s /usr/$(exhost --target)/bin/true "${TEMP}"/bin/strip
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export PATH="${TEMP}/bin:$PATH"
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econf \
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--target=$(exhost --target)
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}
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src_compile() {
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:
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}
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src_install() {
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default
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# bashcomp
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dobashcompletion "${FILES}/ghc-bash-completion"
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alternatives_for ghc ${SLOT} ${SLOT} \
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/usr/share/bash-completion/completions/ghc-bin{,-${SLOT}}
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# some scripts are not versioned, move
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edo mv "${IMAGE}"/usr/$(exhost --target)/bin/{hp2ps,hp2ps-${SLOT}}
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edo mv "${IMAGE}"/usr/$(exhost --target)/bin/{hpc,hpc-${SLOT}}
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edo mv "${IMAGE}"/usr/$(exhost --target)/bin/{hsc2hs,hsc2hs-${SLOT}}
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# remove unversioned symlinks, we create alternatives later
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local ghc_bin
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for ghc_bin in ghc ghci ghc-pkg haddock runghc runhaskell ; do
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edo rm "${IMAGE}"/usr/$(exhost --target)/bin/${ghc_bin}
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done
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unset ghc_bin
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# create alternatives for scripts/binaries
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alternatives_for ghc ${SLOT} ${SLOT} \
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/usr/$(exhost --target)/bin/ghc{,-${SLOT}} \
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/usr/$(exhost --target)/bin/ghci{,-${SLOT}} \
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/usr/$(exhost --target)/bin/ghc-pkg{,-${SLOT}} \
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/usr/$(exhost --target)/bin/haddock{,-ghc-${SLOT}} \
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/usr/$(exhost --target)/bin/hp2ps{,-${SLOT}} \
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/usr/$(exhost --target)/bin/hpc{,-${SLOT}} \
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/usr/$(exhost --target)/bin/hsc2hs{,-${SLOT}} \
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/usr/$(exhost --target)/bin/runghc{,-${SLOT}} \
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/usr/$(exhost --target)/bin/runhaskell /usr/$(exhost --target)/bin/runghc-${SLOT}
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}
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