+sub cmd_checkout {
+ parseopts();
+ package_from_d_control();
+ @ARGV==1 or badusage "dgit checkout needs a suite argument";
+ ($isuite) = @ARGV;
+ notpushing();
+
+ foreach my $canon (qw(0 1)) {
+ if (!$canon) {
+ $csuite= $isuite;
+ } else {
+ undef $csuite;
+ canonicalise_suite();
+ }
+ if (length git_get_ref lref()) {
+ # local branch already exists, yay
+ last;
+ }
+ if (!length git_get_ref lrref()) {
+ if (!$canon) {
+ # nope
+ next;
+ }
+ dofetch();
+ }
+ # now lrref exists
+ runcmd (@git, qw(update-ref), lref(), lrref(), '');
+ last;
+ }
+ local $ENV{GIT_REFLOG_ACTION} = git_reflog_action_msg
+ "dgit checkout $isuite";
+ runcmd (@git, qw(checkout), lbranch());
+}
+
+sub cmd_update_vcs_git () {
+ my $specsuite;
+ if (@ARGV==0 || $ARGV[0] =~ m/^-/) {
+ ($specsuite,) = split /\;/, cfg 'dgit.vcs-git.suites';
+ } else {
+ ($specsuite) = (@ARGV);
+ shift @ARGV;
+ }
+ my $dofetch=1;
+ if (@ARGV) {
+ if ($ARGV[0] eq '-') {
+ $dofetch = 0;
+ } elsif ($ARGV[0] eq '-') {
+ shift;
+ }
+ }
+
+ package_from_d_control();
+ my $ctrl;
+ if ($specsuite eq '.') {
+ $ctrl = parsecontrol 'debian/control', 'debian/control';
+ } else {
+ $isuite = $specsuite;
+ get_archive_dsc();
+ $ctrl = $dsc;
+ }
+ my $url = getfield $ctrl, 'Vcs-Git';
+
+ my @cmd;
+ my $orgurl = cfg 'remote.vcs-git.url', 'RETURN-UNDEF';
+ if (!defined $orgurl) {
+ print STDERR "setting up vcs-git: $url\n";
+ @cmd = (@git, qw(remote add vcs-git), $url);
+ } elsif ($orgurl eq $url) {
+ print STDERR "vcs git already configured: $url\n";
+ } else {
+ print STDERR "changing vcs-git url to: $url\n";
+ @cmd = (@git, qw(remote set-url vcs-git), $url);
+ }
+ runcmd_ordryrun_local @cmd;
+ if ($dofetch) {
+ print "fetching (@ARGV)\n";
+ runcmd_ordryrun_local @git, qw(fetch vcs-git), @ARGV;
+ }
+}
+
+sub prep_push () {