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-rw-r--r--scripts/nix-pull15
1 files changed, 13 insertions, 2 deletions
diff --git a/scripts/nix-pull b/scripts/nix-pull
index 86d9f4b1144e..6404cb79a17a 100644
--- a/scripts/nix-pull
+++ b/scripts/nix-pull
@@ -7,6 +7,7 @@ my $tmpfile = "$prefix/var/nix/pull.tmp";
 my $conffile = "$etcdir/prebuilts.conf";
 
 my @subs;
+my @sucs;
 
 open CONFFILE, "<$conffile";
 
@@ -30,8 +31,9 @@ while (<CONFFILE>) {
             my $fn = $1;
             next if $fn =~ /\.\./;
             next if $fn =~ /\//;
-            next unless $fn =~ /([0-9a-z]{32})-([0-9a-z]{32})\.nar/;
-            my $hash = $2;
+            next unless $fn =~ /-([0-9a-z]{32})(-s-([0-9a-z]{32}))?\.nar/;
+            my $hash = $1;
+            my $fshash = $3;
 
             print "registering $hash -> $url/$fn\n";
 
@@ -60,6 +62,12 @@ while (<CONFFILE>) {
             push @subs, $hash;
             push @subs, $nhash;
 
+            # Does the name encode a successor relation?
+            if (defined $fshash) {
+                print "NORMAL $fshash -> $hash\n";
+                push @sucs, $fshash;
+                push @sucs, $hash;
+            }
         }
 
         close INDEX;
@@ -71,3 +79,6 @@ while (<CONFFILE>) {
 
 system "nix --substitute @subs";
 if ($?) { die "`nix --substitute' failed"; }
+
+system "nix --successor @sucs";
+if ($?) { die "`nix --successor' failed"; }