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b3ee014879
Prompted by #29705 Note that x-systemd.wanted-by= and x-systemd.required-by= are not dropped, since we ignore them because they are unnecessary rather than unapplicable.
79 lines
2.0 KiB
Bash
Executable File
79 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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link_endswith() {
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[[ -h "${1:?}" && "$(readlink "${1:?}")" =~ ${2:?}$ ]]
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}
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link_eq() {
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[[ -h "${1:?}" && "$(readlink "${1:?}")" == "${2:?}" ]]
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}
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# Get the value from a 'key=value' assignment
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opt_get_arg() {
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local arg
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IFS="=" read -r _ arg <<< "${1:?}"
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test -n "$arg"
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echo "$arg"
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}
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in_initrd() {
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[[ "${SYSTEMD_IN_INITRD:-0}" -ne 0 ]]
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}
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# Check if we're parsing host's fstab in initrd
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in_initrd_host() {
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in_initrd && [[ "${SYSTEMD_SYSROOT_FSTAB:-/dev/null}" != /dev/null ]]
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}
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in_container() {
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systemd-detect-virt -qc
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}
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opt_filter() (
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set +x
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local opt split_options filtered_options
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IFS="," read -ra split_options <<< "${1:?}"
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for opt in "${split_options[@]}"; do
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if [[ "$opt" =~ ${2:?} ]]; then
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continue
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fi
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filtered_options+=("$opt")
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done
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IFS=","; printf "%s" "${filtered_options[*]}"
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)
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# Run the given generator $1 with target directory $2 - clean the target
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# directory beforehand
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run_and_list() {
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local generator="${1:?}"
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local out_dir="${2:?}"
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local environ
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# If $PID1_ENVIRON is set temporarily overmount /proc/1/environ with
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# a temporary file that contains contents of $PID1_ENVIRON. This is
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# necessary in cases where the generator reads the environment through
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# getenv_for_pid(1, ...) or similar like getty-generator does.
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#
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# Note: $PID1_ENVIRON should be a NUL separated list of env assignments
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if [[ -n "${PID1_ENVIRON:-}" ]]; then
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environ="$(mktemp)"
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echo -ne "${PID1_ENVIRON}\0" >"${environ:?}"
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mount -v --bind "$environ" /proc/1/environ
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fi
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rm -fr "${out_dir:?}"/*
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mkdir -p "$out_dir"/{normal,early,late}
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SYSTEMD_LOG_LEVEL="${SYSTEMD_LOG_LEVEL:-debug}" "$generator" "$out_dir/normal" "$out_dir/early" "$out_dir/late"
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ls -lR "$out_dir"
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if [[ -n "${environ:-}" ]]; then
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umount /proc/1/environ
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rm -f "$environ"
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fi
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}
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