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27b9777c28
Users with a tmpfs /var/run will lose the directory tree state of /var/run at reboot. This rc script will optionally (by default) capture the state of the directory structure in /var/run prior to shutdown and recreate it at system boot. Alternatively a user can save the state of the /var/run directories manually using service var_run save and disable the autosaving of /var/run state using the var_run_autosave variable, for those paranoid SSD users. PR: 259585, 259699 Reported by: freebsd@walstatt-de.de, Reviewed by: philip, gbe (previous version) MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D36386
47 lines
869 B
Bash
Executable file
47 lines
869 B
Bash
Executable file
#!/bin/sh
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# PROVIDE: var_run
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# REQUIRE: mountcritlocal
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# BEFORE: cleanvar
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. /etc/rc.subr
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name=var_run
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rcvar=var_run_enable
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extra_commands="load save"
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start_cmd="_var_run_start"
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load_cmd="_var_run_load"
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save_cmd="_var_run_save"
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stop_cmd="_var_run_stop"
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load_rc_config $name
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# Set defaults
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: ${var_run_enable:="NO"}
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: ${var_run_mtree:="/var/db/mtree/BSD.var-run.mtree"}
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: ${var_run_autosave:="YES"}
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_var_run_load() {
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test -f ${var_run_mtree} &&
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mtree -U -i -q -f ${var_run_mtree} -p /var/run > /dev/null
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}
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_var_run_save() {
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if [ ! -d $(dirname ${var_run_mtree}) ]; then
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mkdir -p ${var_run_mtree}
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fi
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mtree -dcbj -p /var/run > ${var_run_mtree}
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}
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_var_run_start() {
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df -ttmpfs /var/run > /dev/null 2>&1 &&
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_var_run_load
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}
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_var_run_stop() {
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df -ttmpfs /var/run > /dev/null 2>&1 &&
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checkyesno var_run_autosave &&
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_var_run_save
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}
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run_rc_command "$1"
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