mirror of
https://github.com/systemd/systemd-stable.git
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39 lines
958 B
Bash
Executable File
39 lines
958 B
Bash
Executable File
#!/usr/bin/env bash
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set -eux
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set -o pipefail
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function setup_root {
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local _root="$1"
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mkdir -p "$_root"
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mount -t tmpfs tmpfs "$_root"
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mkdir -p "$_root/etc" "$_root/run"
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}
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function check {
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printf "Expected\n"
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cat "$1"
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printf "\nGot\n"
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cat "$2"
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cmp "$1" "$2"
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}
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r="$(pwd)/overwrite-broken-machine-id"
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setup_root "$r"
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systemd-machine-id-setup --print --root "$r"
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echo abc >>"$r/etc/machine-id"
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id="$(systemd-machine-id-setup --print --root "$r")"
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echo "$id" >expected
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check expected "$r/etc/machine-id"
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r="$PWD/transient-machine-id"
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setup_root "$r"
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systemd-machine-id-setup --print --root "$r"
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echo abc >>"$r/etc/machine-id"
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mount -o remount,ro "$r"
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mount -t tmpfs tmpfs "$r/run"
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transient_id="$(systemd-machine-id-setup --print --root "$r")"
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mount -o remount,rw "$r"
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commited_id="$(systemd-machine-id-setup --print --commit --root "$r")"
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[[ "$transient_id" = "$commited_id" ]]
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check "$r/etc/machine-id" "$r/run/machine-id"
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