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* usr/lib/byobu/updates_available: LP: #976928, #1010505, #999151

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- use run-one when running apt-check or apt-get
  - if run-one isn't installed on Debian/Ubuntu,
    update package checking won't work; sorry
This commit is contained in:
Dustin Kirkland 2012-06-24 13:12:57 -05:00
commit 64d8ac8f45
3 changed files with 14 additions and 12 deletions
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4
debian/changelog vendored
View file

@ -3,6 +3,10 @@ byobu (5.20) unreleased; urgency=low
* usr/bin/byobu-status:
- fix upgrades to the new width handling, where some things
were undefined
* usr/lib/byobu/updates_available: LP: #976928, #1010505, #999151
- use run-one when running apt-check or apt-get
- if run-one isn't installed on Debian/Ubuntu,
update package checking won't work; sorry
-- Dustin Kirkland <kirkland@ubuntu.com> Fri, 08 Jun 2012 17:25:23 -0500

4
debian/control vendored
View file

@ -17,7 +17,8 @@ Depends:
gettext-base,
python,
python-newt (>= 0.52.2-11),
tmux (>= 1.5) | screen
tmux (>= 1.5) | screen,
util-linux,
Recommends:
screen,
tmux (>= 1.5),
@ -25,7 +26,6 @@ Suggests:
apport,
lsb-release,
po-debconf,
run-one,
ttf-ubuntu-font-family (>= 0.80-0ubuntu1~medium),
update-notifier-common,
vim,

18
usr/lib/byobu/updates_available
View file

@ -39,7 +39,7 @@ ___print_updates() {
}
___update_cache() {
local mycache=$1 RUN_ONE=
local mycache=$1 flock="$1.lock"
# Now we actually have to do hard computational work to calculate updates.
# Let's try to be "nice" about it:
renice 10 $$ >/dev/null 2>&1 || true
@ -47,28 +47,26 @@ ___update_cache() {
# These are very computationally intensive processes.
# Background this work, have it write to the cache files,
# and let the next cache check pick up the results.
# Also, try to ensure that no more than one of these run at
# a given time; install the run-one package.
command -v run-one >/dev/null && RUN_ONE=run-one
# Ensure that no more than one of these run at a given time
if [ -x /usr/lib/update-notifier/apt-check ]; then
# If apt-check binary exists, use it
$RUN_ONE /usr/lib/update-notifier/apt-check 2>&1 | awk '-F;' 'END { print $1, $2 }' > "$mycache" &
flock -xn "$flock" /usr/lib/update-notifier/apt-check 2>&1 | awk '-F;' 'END { print $1, $2 }' > "$mycache" &
elif command -v apt-get >/dev/null; then
# If apt-get exists, use it
$RUN_ONE apt-get -s -o Debug::NoLocking=true upgrade | grep -c ^Inst > $mycache &
flock -xn "$flock" apt-get -s -o Debug::NoLocking=true upgrade | grep -c ^Inst > $mycache &
elif command -v pkcon >/dev/null; then
# use packagekit to show list of packages
$RUN_ONE pkcon get-updates -p | grep -c '^Package' > "$mycache" &
flock -xn "$flock" pkcon get-updates -p | grep -c '^Package' > "$mycache" &
elif command -v zypper >/dev/null; then
# If zypper exists, use it
$RUN_ONE zypper --no-refresh lu --best-effort | grep -c 'v |' > $mycache &
flock -xn "$flock" zypper --no-refresh lu --best-effort | grep -c 'v |' > $mycache &
elif command -v yum >/dev/null; then
# If yum exists, use it
# TODO: We need a better way of counting updates available from a RH expert
$RUN_ONE yum list updates -q | grep -vc "Updated Packages" > $mycache &
flock -xn "$flock" yum list updates -q | grep -vc "Updated Packages" > $mycache &
elif command -v pacman >/dev/null; then
# If pacman (Archlinux) exists, use it
LC_ALL=C $RUN_ONE pacman -Sup | grep -vc "^\(::\| \)" > $mycache &
LC_ALL=C flock -xn "$flock" pacman -Sup | grep -vc "^\(::\| \)" > $mycache &
fi
}