48 lines
1.2 KiB
Nix
48 lines
1.2 KiB
Nix
# generate s6-rc database, by generating closure of all
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# config.services and calling s6-rc-compile on them
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{
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stdenvNoCC
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, buildPackages
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, closureInfo
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, writeText
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, services ? []
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}:
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let closure-info = closureInfo { rootPaths = services; };
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in stdenvNoCC.mkDerivation {
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name = "s6-rc-database";
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nativeBuildInputs = [buildPackages.s6-rc];
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builder = writeText "find-s6-services" ''
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source $stdenv/setup
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mkdir -p $out
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srcs=""
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shopt -s nullglob
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for i in $(cat ${closure-info}/store-paths ); do
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if test -d $i; then
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for j in $i/* ; do
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if test -f $j/type ; then
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if test -e $j/restart-on-upgrade; then
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flag=force-restart
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else
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unset flag
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fi
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case $(cat $j/type) in
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longrun|oneshot)
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# s6-rc-update only wants atomics in its
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# restarts file
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echo $(basename $j) " " ''${flag-$i} >> $out/hashes
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;;
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*)
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;;
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esac
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srcs="$srcs $i"
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fi
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done
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fi
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done
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s6-rc-compile $out/compiled $srcs
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s6-rc-db -c $out/compiled contents default
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mv $out/hashes $out/compiled
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'';
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}
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