+sub message {
+ if ($verbose >= 2) {
+ print "@_\n";
+ }
+}
+
+sub warning {
+ if ($verbose >= 1) {
+ print "warning: @_\n";
+ }
+}
+
+sub darcs {
+ message "== running darcs @_";
+ system ("darcs", @_) == 0
+ or $ignore_failure
+ or die "darcs failed: $?";
+}
+
+sub parsePackages {
+ my @repos;
+ my $lineNum;
+
+ my ($repo_base, $checked_out_tree) = getrepo();
+
+ open IN, "< packages" or die "Can't open packages file";
+ @repos = <IN>;
+ close IN;
+
+ @packages = ();
+ $lineNum = 0;
+ foreach (@repos) {
+ chomp;
+ $lineNum++;
+ if (/^([^# ]+) +([^ ]+) +([^ ]+) +([^ ]+) +([^ ]+)$/) {
+ my %line;
+ $line{"localpath"} = $1;
+ $line{"tag"} = $2;
+ $line{"remotepath"} = $3;
+ $line{"vcs"} = $4;
+ $line{"upstream"} = $5;
+ push @packages, \%line;
+ }
+ elsif (! /^(#.*)?$/) {
+ die "Bad content on line $lineNum of packages file: $_";
+ }
+ }
+}
+
+sub darcsall {
+ my $localpath;
+ my $remotepath;
+ my $path;
+ my $tag;
+ my @repos;
+ my $command = $_[0];
+ my $line;
+
+ my ($repo_base, $checked_out_tree) = getrepo();
+
+ for $line (@packages) {
+ $localpath = $$line{"localpath"};
+ $tag = $$line{"tag"};
+ $remotepath = $$line{"remotepath"};
+
+ if ($checked_out_tree) {
+ $path = "$repo_base/$localpath";
+ }
+ else {
+ $path = "$repo_base/$remotepath";
+ }
+
+ if (-d "$localpath/_darcs") {
+ if ($want_remote_repo) {
+ if ($command =~ /^opt/) {
+ # Allows ./darcs-all optimize --relink
+ darcs (@_, "--repodir", $localpath, "--sibling=$path");
+ } else {
+ darcs (@_, "--repodir", $localpath, $path);
+ }
+ } else {
+ darcs (@_, "--repodir", $localpath);
+ }
+ }
+ elsif ($tag eq "-") {
+ message "== Required repo $localpath is missing! Skipping";
+ }
+ else {
+ message "== $localpath repo not present; skipping";
+ }
+ }
+}
+
+sub darcsget {
+ my $r_flags;
+ my $localpath;
+ my $remotepath;
+ my $path;
+ my $tag;
+ my @repos;
+ my $line;
+
+ my ($repo_base, $checked_out_tree) = getrepo();
+
+ if (! grep /(?:--complete|--partial|--lazy)/, @_) {
+ warning("adding --partial, to override use --complete");
+ $r_flags = [@_, "--partial"];
+ }
+ else {
+ $r_flags = \@_;
+ }
+
+ for $line (@packages) {
+ $localpath = $$line{"localpath"};
+ $tag = $$line{"tag"};
+ $remotepath = $$line{"remotepath"};
+
+ if ($checked_out_tree) {
+ $path = "$repo_base/$localpath";
+ }
+ else {
+ $path = "$repo_base/$remotepath";
+ }
+
+ if (($tag eq "-") || defined($tags{$tag})) {
+ if (-d $localpath) {
+ warning("$localpath already present; omitting");
+ }
+ else {
+ darcs (@$r_flags, $path, $localpath);
+ }
+ }
+ }
+}
+
+sub darcsupstreampull {
+ my $localpath;
+ my $upstream;
+ my $line;
+
+ for $line (@packages) {
+ $localpath = $$line{"localpath"};
+ $upstream = $$line{"upstream"};
+
+ if ($upstream ne "-") {
+ if (-d $localpath) {
+ darcs ("pull", @_, "--repodir", $localpath, $upstream);
+ }
+ }
+ }
+}
+
+sub main {
+ if (! -d "compiler") {
+ die "error: darcs-all must be run from the top level of the ghc tree."
+ }
+
+ while ($#_ ne -1) {
+ my $arg = shift;
+ # We handle -q here as well as lower down as we need to skip over it
+ # if it comes before the darcs command
+ if ($arg eq "-q") {
+ $verbose = 1;
+ }
+ elsif ($arg eq "-s") {
+ $verbose = 0;
+ }
+ elsif ($arg eq "-r") {
+ $defaultrepo = shift;
+ }
+ elsif ($arg eq "-i") {
+ $ignore_failure = 1;
+ }
+ # --nofib tells get to also grab the nofib repo.
+ # It has no effect on the other commands.
+ elsif ($arg eq "--nofib") {
+ $tags{"nofib"} = 1;
+ }
+ # --testsuite tells get to also grab the testsuite repo.
+ # It has no effect on the other commands.
+ elsif ($arg eq "--testsuite") {
+ $tags{"testsuite"} = 1;
+ }
+ # --extralibs tells get to also grab the extra repos.
+ # It has no effect on the other commands.
+ elsif ($arg eq "--extra") {
+ $tags{"extra"} = 1;
+ }
+ elsif ($arg eq "--checked-out") {
+ $checked_out_flag = 1;
+ }
+ else {
+ unshift @_, $arg;
+ if (grep /^-q$/, @_) {
+ $verbose = 1;
+ }
+ last;
+ }
+ }
+
+ if ($#_ eq -1) {
+ die "What do you want to do?";
+ }
+ my $command = $_[0];
+ parsePackages;
+ if ($command eq "get") {
+ darcsget @_;
+ }
+ elsif ($command eq "upstreampull") {
+ shift;
+ darcsupstreampull @_;
+ }
+ else {
+ if ($command =~ /^(?:w|wh|wha|what|whats|whatsn|whatsne|whatsnew)$/) {
+ # Hack around whatsnew failing if there are no changes
+ $ignore_failure = 1;
+ }
+ if ($command =~ /^(pul|pus|sen|put|opt)/) {
+ $want_remote_repo = 1;
+ }
+ darcsall @_;
+ }
+}
+
+END {
+ my $ec = $?;
+
+ message "== Checking for old bytestring repo";
+ if (-d "libraries/bytestring/_darcs") {
+ if ((system "darcs annotate --repodir libraries/bytestring --match 'hash 20080118173113-3fd76-d5b74c04372a297b585ebea4e16d524551ce5035' > /dev/null 2> /dev/null") == 0) {
+ print <<EOF;
+============================
+ATTENTION!
+
+You have an old bytestring repository in your GHC tree!
+
+Please remove it (e.g. "rm -r libraries/bytestring"), and the new
+version of bytestring will be used from a tarball instead.
+============================
+EOF
+ }
+ }
+
+ message "== Checking for bytestring tarball";
+ if (-d "libraries/bytestring" && not -d "libraries/bytestring/_darcs") {
+ print <<EOF;
+============================
+ATTENTION!
+
+You have an old bytestring in your GHC tree!
+
+Please remove it (e.g. "rm -r libraries/bytestring"), and then run
+"./darcs-all get" to get the darcs repository.
+============================
+EOF
+ }
+
+ message "== Checking for unpulled tarball patches";
+ if ((system "darcs annotate --match 'hash 20090930200358-3fd76-cab3bf4a0a9e3902eb6dd41f71712ad3a6a9bcd1' > /dev/null 2> /dev/null") == 0) {
+ print <<EOF;
+============================
+ATTENTION!
+
+You have the unpulled tarball patches in your GHC tree!
+
+Please remove them:
+ darcs unpull -p "Use mingw tarballs to get mingw on Windows"
+and say yes to each patch.
+============================
+EOF
+ }
+
+ $? = $ec;