+my %update_method = (
+ 'src-svn' => {
+ 'init' => "svn checkout '%s' '%s'",
+ 'update' => "svn update",
+ 'controldir' => ".svn",
+ 'revision' => "svn info | grep 'Revision' | cut -d ' ' -f 2 | tr -d '\n'"},
+ 'src-cpy' => {
+ 'init' => "cp -Rf '%s' '%s'",
+ 'update' => "",
+ 'revision' => "echo -n 'local'"},
+ 'src-link' => {
+ 'init' => "ln -s '%s' '%s'",
+ 'update' => "",
+ 'revision' => "echo -n 'local'"},
+ 'src-git' => {
+ 'init' => "git clone --depth 1 '%s' '%s'",
+ 'init_branch' => "git clone --depth 1 --branch '%s' '%s' '%s'",
+ 'init_commit' => "git clone '%s' '%s' && cd '%s' && git checkout -b '%s' '%s' && cd -",
+ 'update' => "git pull --ff",
+ 'controldir' => ".git",
+ 'revision' => "git show --abbrev-commit HEAD | head -n 1 | cut -d ' ' -f 2 | tr -d '\n'"},
+ 'src-gitsvn' => {
+ 'init' => "git svn clone -r HEAD '%s' '%s'",
+ 'update' => "git svn rebase",
+ 'controldir' => ".git",
+ 'revision' => "git show --abbrev-commit HEAD | head -n 1 | cut -d ' ' -f 2 | tr -d '\n'"},
+ 'src-bzr' => {
+ 'init' => "bzr checkout --lightweight '%s' '%s'",
+ 'update' => "bzr update",
+ 'controldir' => ".bzr"},
+ 'src-hg' => {
+ 'init' => "hg clone '%s' '%s'",
+ 'update' => "hg pull --update",
+ 'controldir' => ".hg"},
+ 'src-darcs' => {
+ 'init' => "darcs get '%s' '%s'",
+ 'update' => "darcs pull -a",
+ 'controldir' => "_darcs"},
+);
+
+# src-git: pull broken
+# src-cpy: broken if `basename $src` != $name
+
+sub update_feed_via($$$$) {
+ my $type = shift;
+ my $name = shift;
+ my $src = shift;
+ my $relocate = shift;
+
+ my $m = $update_method{$type};
+ my $localpath = "./feeds/$name";
+ my $safepath = $localpath;
+ $safepath =~ s/'/'\\''/;
+ my ($base_branch, $branch) = split(/;/, $src, 2);
+ my ($base_commit, $commit) = split(/\^/, $src, 2);
+
+ if( $relocate || !$m->{'update'} || !-d "$localpath/$m->{'controldir'}" ) {
+ system("rm -rf '$safepath'");
+ if ($m->{'init_branch'} and $branch) {
+ system(sprintf($m->{'init_branch'}, $branch, $base_branch, $safepath)) == 0 or return 1;
+ } elsif ($m->{'init_commit'} and $commit) {
+ system(sprintf($m->{'init_commit'}, $base_commit, $safepath, $safepath, $commit, $commit)) == 0 or return 1;
+ } else {
+ system(sprintf($m->{'init'}, $src, $safepath)) == 0 or return 1;
+ }
+ } elsif ($m->{'init_commit'} and $commit) {
+ # in case git hash has been provided don't update the feed
+ } else {
+ system("cd '$safepath'; $m->{'update'}") == 0 or return 1;
+ }
+
+ return 0;
+}
+