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authorKyle Keen <keenerd@gmail.com>2013-03-21 17:40:32 -0400
committerAllan McRae <allan@archlinux.org>2013-03-26 15:55:51 +1000
commitf797749c4eb3a1c3fe2c065c0e1b324b7a793326 (patch)
treefc02a08e0e52c26599b48851bf5cd43066a081a8
parentbf3618a7c1d363378575987af6f552475ac6b392 (diff)
contrib: adding checkupdates
Signed-off-by: Kyle Keen <keenerd@gmail.com> [Allan: update contrib/README] Signed-off-by: Allan McRae <allan@archlinux.org>
-rw-r--r--contrib/Makefile.am3
-rw-r--r--contrib/README3
-rw-r--r--contrib/checkupdates.sh.in44
3 files changed, 50 insertions, 0 deletions
diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 64f476c9..99baf951 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -6,6 +6,7 @@ bin_SCRIPTS = \
BASHSCRIPTS = \
bacman \
+ checkupdates \
paccache \
pacdiff \
paclist \
@@ -30,6 +31,7 @@ EXTRA_DIST = \
PKGBUILD.vim \
bacman.sh.in \
bash_completion.in \
+ checkupdates.sh.in \
paccache.sh.in \
paclog-pkglist.sh.in \
pacdiff.sh.in \
@@ -93,6 +95,7 @@ uninstall-local:
bacman: $(srcdir)/bacman.sh.in
bash_completion: $(srcdir)/bash_completion.in
+checkupdates: $(srcdir)/checkupdates.sh.in
paccache: $(srcdir)/paccache.sh.in $(top_srcdir)/scripts/library/parseopts.sh $(top_srcdir)/scripts/library/size_to_human.sh
pacdiff: $(srcdir)/pacdiff.sh.in
paclist: $(srcdir)/paclist.sh.in
diff --git a/contrib/README b/contrib/README
index b9f65248..ae33bb25 100644
--- a/contrib/README
+++ b/contrib/README
@@ -10,6 +10,9 @@ database entries. Useful for reuse, or possible config file extension.
bash_completion - a bash completion script for pacman, install in
/etc/bash_completion.d/ for use (but rename to something descriptive!).
+checkupdates - print a list of pending updates without touching the system
+sync databases (for safety on rolling release distributions).
+
paccache - a flexible package cache cleaning utility that allows greater
control over which packages are removed.
diff --git a/contrib/checkupdates.sh.in b/contrib/checkupdates.sh.in
new file mode 100644
index 00000000..15950e13
--- /dev/null
+++ b/contrib/checkupdates.sh.in
@@ -0,0 +1,44 @@
+#!/bin/bash
+#
+# checkupdates: Safely print a list of pending updates.
+#
+# Copyright (c) 2013 Kyle Keen <keenerd@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+if (( $# > 0 )); then
+ echo "checkupdate: Safely print a list of pending updates."
+ echo "Use: checkupdates"
+ echo "Export the 'CHECKUPDATE_DB' variable to change the path of the temporary database."
+ exit 0
+fi
+
+if [[ -z $CHECKUPDATE_DB ]]; then
+ CHECKUPDATE_DB="${TMPDIR:-/tmp}/checkup-db-${USER}/"
+fi
+
+trap 'rm -f $CHECKUPDATE_DB/db.lck' INT TERM EXIT
+
+DBPath="${DBPath:-@localstatedir@/lib/pacman/}"
+eval $(awk -F' *= *' '$1 ~ /DBPath/ { print $1 "=" $2 }' /etc/pacman.conf)
+
+mkdir -p "$CHECKUPDATE_DB"
+ln -s "${DBPath}/local" "$CHECKUPDATE_DB" &> /dev/null
+fakeroot pacman -Sy --dbpath "$CHECKUPDATE_DB" &> /dev/null
+pacman -Qqu --dbpath "$CHECKUPDATE_DB" 2> /dev/null
+
+exit 0
+
+# vim: set ts=2 sw=2 noet: