Teach git-remote to update existing remotes by fetching from them

This allows users to use the command "git remote update" to update all
remotes that are being tracked in the repository.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 38655350f22bde08786b4a42e608ba76c1becea4..d8e696f4cd9f119d9368c08e91ccea9946c83b3b 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -439,6 +439,10 @@ pull.octopus::
 pull.twohead::
        The default merge strategy to use when pulling a single branch.
 
+remote.fetch::
+       The list of remotes which are fetched by "git remote update".
+       See gitlink:git-remote[1].
+
 remote.<name>.url::
        The URL of a remote repository.  See gitlink:git-fetch[1] or
        gitlink:git-push[1].

diff --git a/Documentation/git-remote.txt b/Documentation/git-remote.txt
index a60c31a3150ca8109b1fb16aaf8ff485b57c9932..06ba2e6f26aca732c70d04b6d59190dd0e3a683e 100644 (file)
--- a/Documentation/git-remote.txt
+++ b/Documentation/git-remote.txt
@@ -13,6 +13,7 @@ SYNOPSIS
 'git-remote' add <name> <url>
 'git-remote' show <name>
 'git-remote' prune <name>
+'git-remote' update
 
 DESCRIPTION
 -----------
@@ -40,7 +41,14 @@ Gives some information about the remote <name>.
 
 Deletes all stale tracking branches under <name>.
 These stale branches have already been removed from the remote repository
-referenced by <name>, but are still locally available in "remotes/<name>".
+referenced by <name>, but are still locally available in
+"remotes/<name>".
+
+'update'::
+
+Fetch updates for the remotes in the repository.  By default all remotes
+are updated, but this can be configured via the configuration parameter
+'remote.fetch'.   (See gitlink:git-config[1]).
 
 
 DISCUSSION

diff --git a/git-remote.perl b/git-remote.perl
index c56c5a84a4ac67648efd3c5ccf690e9cb21dd54f..6e473ecfd06b56524acca7d69dc0e8eff5b9c820 100755 (executable)
--- a/git-remote.perl
+++ b/git-remote.perl
@@ -303,6 +303,18 @@ elsif ($ARGV[0] eq 'show') {
                show_remote($ARGV[$i], $ls_remote);
        }
 }
+elsif ($ARGV[0] eq 'update') {
+        my $conf = $git->config("remote.fetch");
+       if (defined($conf)) {
+               @remotes = split(' ', $conf);
+       } else {
+               @remotes = sort keys %$remote;
+       }
+       for (@remotes) {
+               print "Fetching $_\n";
+               $git->command('fetch', "$_");
+       }
+}
 elsif ($ARGV[0] eq 'prune') {
        my $ls_remote = 1;
        my $i;
@@ -360,5 +372,6 @@ else {
        print STDERR "       git remote add <name> <url>\n";
        print STDERR "       git remote show <name>\n";
        print STDERR "       git remote prune <name>\n";
+       print STDERR "       git remote update\n";
        exit(1);
 }