mirror of
https://github.com/xcat2/xcat-core.git
synced 2026-07-31 18:19:40 +00:00
refactor(packaging): centralize xcatd init management
This commit is contained in:
Vinícius Ferrão
@@ -122,26 +122,175 @@ uses_systemd()
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return 1
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}
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legacy_state()
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{
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for legacy_link in \
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"$compat_root"/etc/rc.d/rc?.d/S??xcatd \
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"$compat_root"/etc/rc?.d/S??xcatd \
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"$compat_root"/etc/init.d/rc?.d/S??xcatd
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do
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if [ -e "$legacy_link" ] || [ -L "$legacy_link" ]; then
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echo enabled
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return
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fi
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done
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for legacy_link in \
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"$compat_root"/etc/rc.d/rc?.d/K??xcatd \
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"$compat_root"/etc/rc?.d/K??xcatd \
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"$compat_root"/etc/init.d/rc?.d/K??xcatd
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do
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if [ -e "$legacy_link" ] || [ -L "$legacy_link" ]; then
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echo disabled
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return
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fi
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done
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echo unregistered
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}
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systemd_state()
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{
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for systemd_mask in \
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"$compat_root/etc/systemd/system/xcatd.service" \
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"$compat_root/run/systemd/system/xcatd.service"
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do
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if [ -L "$systemd_mask" ]; then
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systemd_mask_target=$(readlink "$systemd_mask" 2>/dev/null || true)
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case "$systemd_mask_target" in
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/dev/null|*/dev/null)
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echo masked
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return
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;;
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esac
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fi
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done
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if [ -z "$compat_root" ] && command -v systemctl >/dev/null 2>&1; then
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detected_systemd_state=$(systemctl is-enabled xcatd.service 2>/dev/null || true)
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case "$detected_systemd_state" in
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enabled*)
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echo enabled
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return
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;;
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masked*)
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echo masked
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return
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;;
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esac
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fi
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for systemd_link in \
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"$compat_root"/etc/systemd/system/*.wants/xcatd.service \
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"$compat_root"/etc/systemd/system/*.requires/xcatd.service \
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"$compat_root"/run/systemd/system/*.wants/xcatd.service \
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"$compat_root"/run/systemd/system/*.requires/xcatd.service
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do
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if [ -e "$systemd_link" ] || [ -L "$systemd_link" ]; then
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echo enabled
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return
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fi
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done
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echo disabled
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}
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register_legacy_init()
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{
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desired_state=$1
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if [ -n "$compat_root" ]; then
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echo "Registering legacy xcatd is not supported with XCAT_COMPAT_ROOT" >&2
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return 2
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fi
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if [ -x /sbin/chkconfig ]; then
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/sbin/chkconfig --add xcatd || return
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if [ "$desired_state" = enabled ]; then
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/sbin/chkconfig --level 345 xcatd on
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else
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/sbin/chkconfig xcatd off
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fi
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elif [ "$desired_state" = enabled ] && [ -x /usr/lib/lsb/install_initd ]; then
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/usr/lib/lsb/install_initd /etc/init.d/xcatd
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elif [ "$desired_state" = disabled ] && [ -x /usr/lib/lsb/remove_initd ]; then
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# The LSB fallback has no portable register-but-disabled operation.
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/usr/lib/lsb/remove_initd /etc/init.d/xcatd
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else
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echo "Unable to register init scripts on this system"
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fi
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}
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unregister_legacy_init()
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{
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if [ -z "$compat_root" ] &&
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{ [ -e "$legacy_init" ] || [ -L "$legacy_init" ]; }; then
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if [ -x /sbin/chkconfig ]; then
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/sbin/chkconfig --del xcatd || true
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elif [ -x /usr/lib/lsb/remove_initd ]; then
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/usr/lib/lsb/remove_initd /etc/init.d/xcatd || true
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fi
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fi
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rm -f \
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"$compat_root"/etc/rc.d/rc?.d/[SK]??xcatd \
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"$compat_root"/etc/rc?.d/[SK]??xcatd \
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"$compat_root"/etc/init.d/rc?.d/[SK]??xcatd
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}
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disable_systemd_init()
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{
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if [ -z "$compat_root" ] && command -v systemctl >/dev/null 2>&1; then
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systemctl disable xcatd.service >/dev/null 2>&1 || true
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fi
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# Preserve administrator masks while removing only boot enablement links.
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rm -f \
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"$compat_root"/etc/systemd/system/*.wants/xcatd.service \
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"$compat_root"/etc/systemd/system/*.requires/xcatd.service \
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"$compat_root"/run/systemd/system/*.wants/xcatd.service \
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"$compat_root"/run/systemd/system/*.requires/xcatd.service
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}
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unregister_all_init()
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{
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unregister_status=0
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disable_systemd_init || unregister_status=$?
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unregister_legacy_init || unregister_status=$?
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return "$unregister_status"
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}
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configure_legacy_init()
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{
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replace_existing=${1:-}
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replace_existing=0
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detection_mode=compat
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for configure_option in "$@"; do
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case "$configure_option" in
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--replace) replace_existing=1 ;;
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--explicit-target) detection_mode=explicit ;;
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*)
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echo "Usage: $0 configure [--replace] [--explicit-target]" >&2
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exit 2
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;;
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esac
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done
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if uses_systemd; then
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rm -f "$legacy_init"
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if uses_systemd "$detection_mode"; then
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rm -f "$legacy_init" || return 1
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return
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fi
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# A broken link cannot provide a usable init script. Replace it while
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# preserving links whose administrator-managed target still exists.
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if [ -L "$legacy_init" ] && [ ! -e "$legacy_init" ]; then
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rm -f "$legacy_init"
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rm -f "$legacy_init" || return 1
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fi
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if [ -e "$legacy_init" ] || [ -L "$legacy_init" ]; then
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if [ "$replace_existing" != "--replace" ]; then
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if [ "$replace_existing" -ne 1 ]; then
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return
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fi
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rm -f "$legacy_init"
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rm -f "$legacy_init" || return 1
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fi
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if [ ! -r "$legacy_template" ]; then
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@@ -149,9 +298,9 @@ configure_legacy_init()
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exit 1
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fi
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mkdir -p "$compat_root/etc/init.d"
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cp "$legacy_template" "$legacy_init"
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chmod 755 "$legacy_init"
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mkdir -p "$compat_root/etc/init.d" || return 1
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cp "$legacy_template" "$legacy_init" || return 1
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chmod 755 "$legacy_init" || return 1
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}
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case "${1:-}" in
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@@ -167,21 +316,40 @@ case "${1:-}" in
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esac
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uses_systemd "$detection_mode"
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;;
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configure)
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legacy-state)
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legacy_state
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;;
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systemd-state)
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systemd_state
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;;
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register-legacy)
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case "${2:-}" in
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''|--replace) ;;
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enabled|disabled) ;;
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*)
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echo "Usage: $0 {uses-systemd [--explicit-target]|configure [--replace]|remove}" >&2
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echo "Usage: $0 register-legacy {enabled|disabled}" >&2
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exit 2
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;;
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esac
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configure_legacy_init "${2:-}"
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register_legacy_init "$2"
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;;
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unregister-legacy)
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unregister_legacy_init
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;;
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disable-systemd)
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disable_systemd_init
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;;
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unregister-all)
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unregister_all_init
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;;
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configure)
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shift
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configure_legacy_init "$@"
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;;
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remove)
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rm -f "$legacy_init"
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;;
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*)
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echo "Usage: $0 {uses-systemd [--explicit-target]|configure [--replace]|remove}" >&2
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echo "Usage: $0 {uses-systemd [--explicit-target]|legacy-state|systemd-state|register-legacy {enabled|disabled}|unregister-legacy|disable-systemd|unregister-all|configure [--replace] [--explicit-target]|remove}" >&2
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exit 2
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;;
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esac
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