forked from mirrors/nixpkgs
fc8e1745c0
so that the links can be followed if the NixOS installation is not mounted as filesystem root. In particular, this makes /etc/os-release adhere to the standard: https://www.freedesktop.org/software/systemd/man/os-release.html Fixes #28833.
52 lines
1.4 KiB
Bash
52 lines
1.4 KiB
Bash
source $stdenv/setup
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mkdir -p $out/etc
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set -f
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sources_=($sources)
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targets_=($targets)
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modes_=($modes)
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users_=($users)
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groups_=($groups)
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set +f
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# Create relative symlinks, so that the links can be followed if
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# the NixOS installation is not mounted as filesystem root.
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# Absolute symlinks violate the os-release format
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# at https://www.freedesktop.org/software/systemd/man/os-release.html
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# and break e.g. systemd-nspawn and os-prober.
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for ((i = 0; i < ${#targets_[@]}; i++)); do
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source="${sources_[$i]}"
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target="${targets_[$i]}"
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if [[ "$source" =~ '*' ]]; then
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# If the source name contains '*', perform globbing.
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mkdir -p $out/etc/$target
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for fn in $source; do
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ln -s --relative "$fn" $out/etc/$target/
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done
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else
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mkdir -p $out/etc/$(dirname $target)
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if ! [ -e $out/etc/$target ]; then
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ln -s --relative $source $out/etc/$target
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else
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echo "duplicate entry $target -> $source"
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if test "$(readlink $out/etc/$target)" != "$source"; then
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echo "mismatched duplicate entry $(readlink $out/etc/$target) <-> $source"
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exit 1
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fi
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fi
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if test "${modes_[$i]}" != symlink; then
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echo "${modes_[$i]}" > $out/etc/$target.mode
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echo "${users_[$i]}" > $out/etc/$target.uid
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echo "${groups_[$i]}" > $out/etc/$target.gid
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fi
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fi
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done
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