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authorJude Taylor <me@jude.bio>2015-10-21T21·38-0700
committerJude Taylor <me@jude.bio>2015-10-21T21·38-0700
commitf5a7739171a877dfb29876d673d1720a1c9bf6bc (patch)
tree0002c4a61552e77914516091e7e580c0476c3255 /scripts
parent3f655041645315c5cca66df629b23d5f29065f5f (diff)
appropriately handle lock acquisition failures in resolve-system-dependencies.pl
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/resolve-system-dependencies.pl.in9
1 files changed, 7 insertions, 2 deletions
diff --git a/scripts/resolve-system-dependencies.pl.in b/scripts/resolve-system-dependencies.pl.in
index 412f07274c12..1294ebba5693 100755
--- a/scripts/resolve-system-dependencies.pl.in
+++ b/scripts/resolve-system-dependencies.pl.in
@@ -4,6 +4,7 @@ use utf8;
 use strict;
 use warnings;
 use Cwd qw(realpath);
+use Errno;
 use File::Basename qw(dirname);
 use File::Path qw(make_path);
 use File::Spec::Functions qw(catfile);
@@ -24,10 +25,14 @@ make_path dirname($cache);
 our $DEPS;
 eval {
   $DEPS = lock_retrieve($cache);
-} or do {
+};
+
+if($!{ENOENT}) {
   lock_store {}, $cache;
   $DEPS = {};
-};
+} elsif($@) {
+  die "Unable to obtain a lock on dependency-map file $cache: $@";
+}
 
 sub mkset(@) {
   my %set;