appropriately handle lock acquisition failures in resolve-system-dependencies.pl
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1 changed files with 7 additions and 2 deletions
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@ -4,6 +4,7 @@ use utf8;
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use strict;
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use warnings;
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use Cwd qw(realpath);
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use Errno;
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use File::Basename qw(dirname);
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use File::Path qw(make_path);
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use File::Spec::Functions qw(catfile);
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@ -24,10 +25,14 @@ make_path dirname($cache);
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our $DEPS;
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eval {
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$DEPS = lock_retrieve($cache);
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} or do {
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};
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if($!{ENOENT}) {
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lock_store {}, $cache;
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$DEPS = {};
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};
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} elsif($@) {
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die "Unable to obtain a lock on dependency-map file $cache: $@";
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}
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sub mkset(@) {
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my %set;
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