add gitremotes script, parsing list of remotes on doc/git.mdwn

[git.ikiwiki.info.git] / gitremotes

diff --git a/gitremotes b/gitremotes
new file mode 100755 (executable)
index 0000000..b144909
--- /dev/null
+++ b/gitremotes
@@ -0,0 +1,29 @@
+#!/usr/bin/perl
+# Parses list of remotes in doc/git.mdwn, configures git to use them
+# all, and fetches updates from them.
+
+my $error=0;
+
+open (IN, "doc/git.mdwn") || die "doc/git.mdwn: $!";
+while (<IN>) {
+       if (/^\*\s+\[\[(\w+)\]\]\s+<([^>]+)>/) {
+               # note that the remote name has to be a simple word (\w)
+               # for security/sanity reasons
+               my $remote=$1;
+               my $url=$2;
+
+               # check configured url to deal with it changing
+               my $info=`git remote show -n $remote`;
+               my ($oldurl)=$info=~/URL: (.*)/m;
+               if ($oldurl ne $url) {
+                       system("git remote rm $remote 2>/dev/null");
+                       $error |= system("git", "remote", "add", "-f", $remote, $url);
+               }
+               else {
+                       $error |= system("git", "fetch", $remote);
+               }
+       }
+}
+close IN;
+
+exit $error;