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Runscript: allow extra_commands to be run in chroots

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The commands defined in the extra_commands variable do not depend on
whether the service is stopped or started, so it is valid to run them in
chroot environments.

Also, add a note to the runscript man page about the commands in
extra_commands being able to run whether or not the service is started.

Reported-by: Robin Johnson <robbat2@gentoo.org>
X-Gentoo-Bug: 406713
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=406713
This commit is contained in:
William Hubbs 2012-03-03 09:16:27 -06:00
parent 7a1e4ef606
commit 9fa54a8e80
2 changed files with 23 additions and 15 deletions
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3
man/runscript.8
View File

@ -92,7 +92,8 @@ or stopping them.
The following variables affect the service script:
.Bl -tag -width "RC_DEFAULTLEVEL"
.It Ar extra_commands
Space separated list of extra commands the service defines.
Space separated list of extra commands the service defines. These should
not depend on the service being stopped or started.
.It Ar extra_started_commands
Space separated list of extra commands the service defines. These only work if
the service has already been started.

35
sh/runscript.sh.in
View File

@ -4,6 +4,22 @@
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
verify_boot()
{
if [ ! -e ${RC_SVCDIR}/softlevel ]; then
eerror "You are attempting to run an openrc service on a"
eerror "system which openrc did not boot."
eerror "You may be inside a chroot or you may have used"
eerror "another initialization system to boot this system."
eerror "In this situation, you will get unpredictable results!"
eerror
eerror "If you really want to do this, issue the following command:"
eerror "touch ${RC_SVCDIR}/softlevel"
exit 1
fi
return 0
}
sourcex()
{
if [ "$1" = "-e" ]; then
@ -24,18 +40,6 @@ if sourcex -e "/sbin/livecd-functions.sh"; then
livecd_read_commandline
fi
if [ ! -e ${RC_SVCDIR}/softlevel ]; then
eerror "You are attempting to run an openrc service on a"
eerror "system which openrc did not boot."
eerror "You may be inside a chroot or you may have used"
eerror "another initialization system to boot this system."
eerror "In this situation, you will get unpredictable results!"
eerror
eerror "If you really want to do this, issue the following command:"
eerror "touch ${RC_SVCDIR}/softlevel"
exit 1
fi
if [ -z "$1" -o -z "$2" ]; then
eerror "$RC_SVCNAME: not enough arguments"
exit 1
@ -256,7 +260,7 @@ while [ -n "$1" ]; do
# we can run this command
for _cmd in $extra_started_commands; do
if [ "$_cmd" = "$1" ]; then
if ! service_started; then
if verify_boot && ! service_started; then
eerror "$RC_SVCNAME: cannot \`$1' as it has not been started"
exit 1
fi
@ -266,13 +270,16 @@ while [ -n "$1" ]; do
# we can run this command
for _cmd in $extra_stopped_commands; do
if [ "$_cmd" = "$1" ]; then
if ! service_stopped; then
if verify_boot && ! service_stopped; then
eerror "$RC_SVCNAME: cannot \`$1' as it has not been stopped"
exit 1
fi
fi
done
unset _cmd
case $1 in
start|stop|status) verify_boot;;
esac
if [ "$(command -v "$1_pre")" = "$1_pre" ]
then
"$1"_pre || exit $?