From 4232b74445f80f4175c1485a53a02c79b37a63f1 Mon Sep 17 00:00:00 2001 From: root Date: Fri, 14 Oct 2011 23:14:43 +0000 Subject: Fri Oct 14 23:14:43 UTC 2011 --- testing/jack/jack.install | 57 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 testing/jack/jack.install (limited to 'testing/jack/jack.install') diff --git a/testing/jack/jack.install b/testing/jack/jack.install new file mode 100644 index 000000000..2d0db58e7 --- /dev/null +++ b/testing/jack/jack.install @@ -0,0 +1,57 @@ +_addgroup() { + # _addgroup $GROUPNAME $GID + [ ${#@} -ne 2 ] && return 1 + + echo -n " > Checking if '$1' group exists..." + if ! getent group $1 > /dev/null; then + echo "no" + echo " > Add '$1' group" + echo -n " >> checking if GID is in use..." + # no other package or user is supposed to use this gid + # delete the group and re-add it at the end without static gid + if getent group $2 > /dev/null; then + echo "yes" + firstgroup=$(getent group $2 | sed 's/:.*//') + firstusers=$(getent group $2 | sed 's/.*://') + echo " >> delete group '$firstgroup'" + groupdel $firstgroup + else + echo "no" + fi + + echo " >> add our group with proper GID" + groupadd -g $2 $1 + + if [ -n "$firstgroup" ]; then + echo " >> restore group '$firstgroup' with dynamic GID" + groupadd $firstgroup + [ -n "$firstusers" ] && gpasswd -M $firstusers $firstgroup + fi + else + echo "yes (all good)" + fi +} + +post_install() { + _addgroup realtime 112 + echo + echo " * You must be part of the 'realtime' group to use RT scheduling" + echo " * You don't need an 'RT kernel' to use RT scheduling" + echo " * If you don't need RT start jack with '--no-realtime'" + echo " * If you don't record or sequence audio you don't need RT" +} + +post_upgrade() { + _addgroup realtime 112 + echo + echo " * You must be part of the 'realtime' group to use RT scheduling" + echo " * Configuring RT through limits.conf has been deprecated" + echo " * See /etc/security/limits.d/99-realtime.conf instead" +} + +post_remove() { + [ "$(getent group realtime | cut -d ':' -f 3)" = '112' ] && \ + groupdel realtime || true +} + +# vim:set ts=2 sw=2 et: -- cgit v1.2.3-54-g00ecf