69 lines
2.1 KiB
Bash
Executable File
69 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# called by dracut
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check() {
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swap_on_netdevice() {
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local _dev
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for _dev in "${swap_devs[@]}"; do
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block_is_netdevice "$_dev" && return 0
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done
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return 1
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}
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# Only support resume if hibernation is currently on
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# and no swap is mounted on a net device
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[[ $hostonly ]] || [[ $mount_needs ]] && {
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swap_on_netdevice || [[ -f /sys/power/resume && "$(cat /sys/power/resume)" == "0:0" ]] && return 255
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}
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return 0
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}
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# called by dracut
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cmdline() {
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local _resume
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for dev in "${!host_fs_types[@]}"; do
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[[ ${host_fs_types[$dev]} =~ ^(swap|swsuspend|swsupend)$ ]] || continue
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_resume=$(shorten_persistent_dev "$(get_persistent_dev "$dev")")
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[[ -n ${_resume} ]] && printf " resume=%s" "${_resume}"
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done
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}
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# called by dracut
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install() {
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local _bin
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local _resumeconf
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if [[ $hostonly_cmdline == "yes" ]]; then
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_resumeconf=$(cmdline)
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[[ $_resumeconf ]] && printf "%s\n" "$_resumeconf" >> "${initdir}/etc/cmdline.d/95resume.conf"
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fi
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# if systemd is included and has the hibernate-resume tool, use it and nothing else
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if dracut_module_included "systemd" && [[ -x $dracutsysrootdir$systemdutildir/systemd-hibernate-resume ]]; then
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inst_multiple -o \
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"$systemdutildir"/system-generators/systemd-hibernate-resume-generator \
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"$systemdsystemunitdir"/systemd-hibernate-resume@.service \
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"$systemdutildir"/systemd-hibernate-resume
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return 0
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fi
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# Optional uswsusp support
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for _bin in /usr/sbin/resume /usr/lib/suspend/resume /usr/lib64/suspend/resume /usr/lib/uswsusp/resume /usr/lib64/uswsusp/resume; do
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[[ -x $dracutsysrootdir${_bin} ]] && {
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inst "${_bin}" /usr/sbin/resume
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[[ $hostonly ]] && [[ -f $dracutsysrootdir/etc/suspend.conf ]] && inst -H /etc/suspend.conf
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break
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}
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done
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if ! dracut_module_included "systemd"; then
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inst_hook cmdline 10 "$moddir/parse-resume.sh"
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else
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inst_script "$moddir/parse-resume.sh" /lib/dracut/parse-resume.sh
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fi
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inst_script "$moddir/resume.sh" /lib/dracut/resume.sh
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}
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