* Place manifests in /nix/var/nix/manifests.

* Use the new patch downloader.

5 files changed, 1 insertions, 271 deletions

diff --git a/corepkgs/Makefile.am b/corepkgs/Makefile.am
index ca4cea2fc6..c9ea11cefc 100644
--- a/corepkgs/Makefile.am
+++ b/corepkgs/Makefile.am
@@ -1 +1 @@
-SUBDIRS = fetchurl nar buildenv channels nix-pull
+SUBDIRS = fetchurl nar buildenv channels
diff --git a/corepkgs/nix-pull/Makefile.am b/corepkgs/nix-pull/Makefile.am
deleted file mode 100644
index 91adb4853f..0000000000
--- a/corepkgs/nix-pull/Makefile.am
+++ /dev/null
@@ -1,11 +0,0 @@
-all-local: builder.sh
-
-install-exec-local:
-	$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs
-	$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs/nix-pull
-	$(INSTALL_DATA) default.nix $(DESTDIR)$(datadir)/nix/corepkgs/nix-pull
-	$(INSTALL_PROGRAM) builder.sh $(DESTDIR)$(datadir)/nix/corepkgs/nix-pull
-
-include ../../substitute.mk
-
-EXTRA_DIST = default.nix builder.sh.in
diff --git a/corepkgs/nix-pull/builder.sh.in b/corepkgs/nix-pull/builder.sh.in
deleted file mode 100644
index cc1a125d8f..0000000000
--- a/corepkgs/nix-pull/builder.sh.in
+++ /dev/null
@@ -1,34 +0,0 @@
-#! @shell@ -e
-
-export PATH=/bin:/usr/bin
-
-mkdir $out
-
-cat > $out/fetch <<EOF
-#! @shell@ -e
-
-export PATH=/bin:/usr/bin
-
-echo "downloading \$2..."
-
-export PRINT_PATH=1
-result=(\$(@bindir@/nix-prefetch-url \$2))
-
-hash=\${result[0]}
-path=\${result[1]}
-
-if test "\$hash" != "\$3"; then
-    echo "hash is \$hash, expected \$3"
-    exit 1
-fi
-
-echo "unpacking into \$1..."
-
-if ! @bunzip2@ < "\$path" | @bindir@/nix-store --restore "\$1"; then
-    exit 1
-fi
-
-exit 0
-EOF
-
-chmod +x $out/fetch
diff --git a/corepkgs/nix-pull/default.nix b/corepkgs/nix-pull/default.nix
deleted file mode 100644
index 700d721314..0000000000
--- a/corepkgs/nix-pull/default.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-{system}:
-
-derivation {
-  name = "nix-pull";
-  builder = ./builder.sh;
-  inherit system;
-}
diff --git a/corepkgs/nix-pull/download.pl b/corepkgs/nix-pull/download.pl
deleted file mode 100755
index 5c7b33a996..0000000000
--- a/corepkgs/nix-pull/download.pl
+++ /dev/null
@@ -1,218 +0,0 @@
-#! /usr/bin/perl -w -I/home/eelco/Dev/nix/scripts
-
-use strict;
-use readmanifest;
-
-my $manifestDir = "/home/eelco/Dev/nix/patch/test";
-
-
-# Check the arguments.
-die unless scalar @ARGV == 1;
-my $targetPath = $ARGV[0];
-
-
-# Load all manifests.
-my %narFiles;
-my %patches;
-my %successors;
-
-for my $manifest (glob "$manifestDir/*.nixmanifest") {
-    print STDERR "reading $manifest\n";
-    readManifest $manifest, \%narFiles, \%patches, \%successors;
-}
-
-
-# Build a graph of all store paths that might contribute to the
-# construction of $targetPath, and the special node "start".  The
-# edges are either patch operations, or downloads of full NAR files.
-# The latter edges only occur between "start" and a store path.
-
-my %graph;
-
-$graph{"start"} = {d => 0, pred => undef, edges => []};
-
-my @queue = ();
-my $queueFront = 0;
-my %done;
-
-sub addToQueue {
-    my $v = shift;
-    return if defined $done{$v};
-    $done{$v} = 1;
-    push @queue, $v;
-}
-
-sub addNode {
-    my $u = shift;
-    $graph{$u} = {d => 999999999999, pred => undef, edges => []}
-        unless defined $graph{$u};
-}
-
-sub addEdge {
-    my $u = shift;
-    my $v = shift;
-    my $w = shift;
-    my $type = shift;
-    my $info = shift;
-    addNode $u;
-    push @{$graph{$u}->{edges}},
-        {weight => $w, start => $u, end => $v, type => $type, info => $info};
-    my $n = scalar @{$graph{$u}->{edges}};
-}
-
-addToQueue $targetPath;
-
-while ($queueFront < scalar @queue) {
-    my $u = $queue[$queueFront++];
-    print "$u\n";
-
-    addNode $u;
-
-    # If the path already exists, it has distance 0 from the "start"
-    # node.
-    system "nix-store --isvalid '$u' 2> /dev/null";
-    if ($? == 0) {
-        addEdge "start", $u, 0, "present", undef;
-    }
-
-    else {
-
-        # Add patch edges.
-        my $patchList = $patches{$u};
-        foreach my $patch (@{$patchList}) {
-            # !!! this should be cached
-            my $hash = `nix-hash "$patch->{basePath}"`;
-            chomp $hash;
-            print "  MY HASH is $hash\n";
-            if ($hash ne $patch->{baseHash}) {
-                print "  REJECTING PATCH from $patch->{basePath}\n";
-                next;
-            }
-            print "  PATCH from $patch->{basePath}\n";
-            addToQueue $patch->{basePath};
-            addEdge $patch->{basePath}, $u, $patch->{size}, "patch", $patch;
-        }
-
-        # Add NAR file edges to the start node.
-        my $narFileList = $narFiles{$u};
-        foreach my $narFile (@{$narFileList}) {
-            print "  NAR from $narFile->{url}\n";
-            addEdge "start", $u, $narFile->{size}, "narfile", $narFile;
-        }
-
-    }
-}
-
-
-# Run Dijkstra's shortest path algorithm to determine the shortest
-# sequence of download and/or patch actions that will produce
-# $targetPath.
-
-sub byDistance { # sort by distance, reversed
-    return -($graph{$a}->{d} <=> $graph{$b}->{d});
-}
-
-my @todo = keys %graph;
-
-while (scalar @todo > 0) {
-
-    # Remove the closest element from the todo list.
-    @todo = sort byDistance @todo;
-    my $u = pop @todo;
-
-    my $u_ = $graph{$u};
-
-    print "IN $u $u_->{d}\n";
-
-    foreach my $edge (@{$u_->{edges}}) {
-        my $v_ = $graph{$edge->{end}};
-        if ($v_->{d} > $u_->{d} + $edge->{weight}) {
-            $v_->{d} = $u_->{d} + $edge->{weight};
-            # Store the edge; to edge->start is actually the
-            # predecessor.
-            $v_->{pred} = $edge; 
-            print "  RELAX $edge->{end} $v_->{d}\n";
-        }
-    }
-}
-
-
-# Retrieve the shortest path from "start" to $targetPath.
-my @path = ();
-my $cur = $targetPath;
-die "don't know how to produce $targetPath\n"
-    unless defined $graph{$targetPath}->{pred};
-while ($cur ne "start") {
-    push @path, $graph{$cur}->{pred};
-    $cur = $graph{$cur}->{pred}->{start};
-}
-
-
-# Traverse the shortest path, perform the actions described by the
-# edges.
-my $curStep = 1;
-my $maxStep = scalar @path;
-
-sub downloadFile {
-    my $url = shift;
-    my $hash = shift;
-    $ENV{"PRINT_PATH"} = 1;
-    $ENV{"QUIET"} = 1;
-    my ($hash2, $path) = `nix-prefetch-url '$url' '$hash'`;
-    chomp $hash2;
-    chomp $path;
-    die "hash mismatch" if $hash ne $hash2;
-    return $path;
-}
-
-while (scalar @path > 0) {
-    my $edge = pop @path;
-    my $u = $edge->{start};
-    my $v = $edge->{end};
-
-    print "\n*** Step $curStep/$maxStep: ";
-    $curStep++;
-
-    if ($edge->{type} eq "present") {
-        print "using already present path `$v'\n";
-    }
-
-    elsif ($edge->{type} eq "patch") {
-        my $patch = $edge->{info};
-        print "applying patch `$patch->{url}' to `$u' to create `$v'\n";
-
-        # Download the patch.
-        print "  downloading patch...\n";
-        my $patchPath = downloadFile "$patch->{url}", "$patch->{hash}";
-
-        # Turn the base path into a NAR archive, to which we can
-        # actually apply the patch.
-        print "  packing base path...\n";
-        system "nix-store --dump $patch->{basePath} > /tmp/nar";
-        die "cannot dump `$patch->{basePath}'" if ($? != 0);
-
-        # Apply the patch.
-        print "  applying patch...\n";
-        system "bspatch /tmp/nar /tmp/nar2 $patchPath";
-        die "cannot apply patch `$patchPath' to /tmp/nar" if ($? != 0);
-
-        # Unpack the resulting NAR archive into the target path.
-        print "  unpacking patched archive...\n";
-        system "nix-store --restore $targetPath < /tmp/nar2";
-        die "cannot unpack /tmp/nar2 into `$targetPath'" if ($? != 0);
-    }
-
-    elsif ($edge->{type} eq "narfile") {
-        my $narFile = $edge->{info};
-        print "downloading `$narFile->{url}' into `$v'\n";
-
-        # Download the archive.
-        print "  downloading archive...\n";
-        my $narFilePath = downloadFile "$narFile->{url}", "$narFile->{hash}";
-
-        # Unpack the archive into the target path.
-        print "  unpacking archive...\n";
-        system "bunzip2 < '$narFilePath' | nix-store --restore '$targetPath'";
-        die "cannot unpack `$narFilePath' into `$targetPath'" if ($? != 0);
-    }
-}