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authorEelco Dolstra <eelco.dolstra@logicblox.com>2013-06-20T09·55+0200
committerEelco Dolstra <eelco.dolstra@logicblox.com>2013-06-20T09·55+0200
commit22144afa8d9f8968da351618a1347072a93bd8aa (patch)
treef0ebe5edf3a480a9d9afd637b9056e352e049541 /scripts/download-using-manifests.pl.in
parent2b29e4b8529ec9f4d6904a5142266c02d1b24c99 (diff)
Don't keep "disabled" substituters running
For instance, it's pointless to keep copy-from-other-stores running if
there are no other stores, or download-using-manifests if there are no
manifests.  This also speeds things up because we don't send queries
to those substituters.
Diffstat (limited to 'scripts/download-using-manifests.pl.in')
-rwxr-xr-xscripts/download-using-manifests.pl.in2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/download-using-manifests.pl.in b/scripts/download-using-manifests.pl.in
index ecd0b489316a..0471a9e1fac4 100755
--- a/scripts/download-using-manifests.pl.in
+++ b/scripts/download-using-manifests.pl.in
@@ -22,6 +22,8 @@ my $curl = "$Nix::Config::curl --fail --location --insecure";
 
 # Open the manifest cache and update it if necessary.
 my $dbh = updateManifestDB();
+exit 0 unless defined $dbh; # exit if there are no manifests
+print "\n";
 
 
 # $hashCache->{$algo}->{$path} yields the $algo-hash of $path.