The following commit has been merged in the master branch:
commit 7a6e69f7b8c0428628feb5fa7434634c33b6b468
Author: Raphael Hertzog <[email protected]>
Date: Sun Feb 22 16:20:24 2009 +0100
update-alternatives: add new option --get-selections
The new option list all master alternatives and their status
in a format simple to parse. It's also a practical way to know
the name of all available alternatives. Closes: #273406, #392429
diff --git a/ChangeLog b/ChangeLog
index c042ac8..d31e292 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2009-02-22 Raphael Hertzog <[email protected]>
+ * scripts/update-alternatives.pl: Implement --get-selections.
+ The new option lists all master alternatives and their status in a
+ format simple to parse.
+ * man/update-alternatives.8: Document this option.
+
+2009-02-22 Raphael Hertzog <[email protected]>
+
* scripts/update-alternatives.pl: Installation of a slave
alternative link is only done if the corresponding slave file is
available.
diff --git a/debian/changelog b/debian/changelog
index 9d19387..e68c20e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -163,6 +163,9 @@ dpkg (1.15.0) UNRELEASED; urgency=low
- new sanity checks on --install parameters. Closes: #423176
- install slave link only if the corresponding slave file is available.
Closes: #143701
+ - new option --get-selections to export the configuration of all
+ alternatives. It's a simple way to discover the name of all available
+ alternatives. Closes: #273406, #392429
[ Pierre Habouzit ]
* Add a --query option to update-alternatives. Closes: #336091, #441904
diff --git a/man/update-alternatives.8 b/man/update-alternatives.8
index 122168c..3086305 100644
--- a/man/update-alternatives.8
+++ b/man/update-alternatives.8
@@ -287,6 +287,14 @@ what other alternatives are available
(and their corresponding slave alternatives),
and the highest priority alternative currently installed.
.TP
+\fB\-\-get\-selections\fR
+List all master alternative names (those controlling a link group)
+and their status. Each line contains up to 3 fields (separated by
+one or more spaces). The first field is the alternative name, the second
+one is the status (either "auto" or "manual"), and the last one contains
+the current choice in the alternative (beware: it's a filename and thus
+might contain spaces).
+.TP
\fB\-\-query\fR \fIname\fR
Display information about the link group
like \-\-display does, but in a machine parseable way
diff --git a/scripts/update-alternatives.pl b/scripts/update-alternatives.pl
index 6f79d70..65726d5 100755
--- a/scripts/update-alternatives.pl
+++ b/scripts/update-alternatives.pl
@@ -70,8 +70,8 @@ while (@ARGV) {
set_action($1);
@ARGV || badusage(_g("--%s needs <name>"), $1);
$alternative = Alternative->new(shift(@ARGV));
- } elsif (m/^--all$/) {
- set_action('all');
+ } elsif (m/^--(all|get-selections)$/) {
+ set_action($1);
} elsif (m/^--slave$/) {
badusage(_g("--slave only allowed with --install"))
unless $action eq "install";
@@ -105,8 +105,9 @@ while (@ARGV) {
}
}
-badusage(_g("need --display, --query, --list, --config, --set, --install," .
- "--remove, --all, --remove-all or --auto")) unless $action;
+badusage(_g("need --display, --query, --list, --get-selections, --config," .
+ "--set, --install, --remove, --all, --remove-all or --auto"))
+ unless $action;
# Load infos about all alternatives to be able to check for mistakes
my %ALL;
@@ -168,6 +169,12 @@ if ($action eq "install") {
if ($action eq 'all') {
config_all();
exit 0;
+} elsif ($action eq 'get-selections') {
+ foreach my $alt_name (sort keys %{$ALL{objects}}) {
+ my $obj = $ALL{objects}{$alt_name};
+ printf "%-30s %-8s %s\n", $alt_name, $obj->status(), $obj->current()
|| "";
+ }
+ exit 0;
}
# Load the alternative info, stop on failure except for --install
--
dpkg's main repository
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