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30 lines
823 B
Nix
30 lines
823 B
Nix
# Quick hack to make the `info' command work properly. `info' needs a
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# "dir" file containing all the installed Info files, which we don't
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# have (it would be impure to have a package installation update some
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# global "dir" file). So this wrapper script around "info" builds a
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# temporary "dir" file on the fly. This is a bit slow (on a cold
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# cache) but not unacceptably so.
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{bash, texinfo, writeScriptBin}:
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writeScriptBin "info"
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''
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#! ${bash}/bin/sh
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dir=$(mktemp --tmpdir -d "info.dir.XXXXXX")
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if test -z "$dir"; then exit 1; fi
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trap 'rm -rf "$dir"' EXIT
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shopt -s nullglob
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for i in $(IFS=:; echo $INFOPATH); do
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for j in $i/*.info; do
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${texinfo}/bin/install-info --quiet $j $dir/dir
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done
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done
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INFOPATH=$dir:$INFOPATH ${texinfo}/bin/info "$@"
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''
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