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authorTodd Gamblin <tgamblin@llnl.gov>2018-05-18 14:41:03 -0700
committerGitHub <noreply@github.com>2018-05-18 14:41:03 -0700
commit54201e3c0216656b5b933fa2e5c36b9afcb1dc4f (patch)
tree7eb5796d84a28c9fe4b556cb3e8354aab4a95f3c /.flake8_packages
parent780cc9d72da9165470290393aeee278ad04e93de (diff)
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locks: add configuration and command-line options to enable/disable locks (#7692)
- spack.util.lock behaves the same as llnl.util.lock, but Lock._lock and Lock._unlock do nothing. - can be disabled with a control variable. - configuration options can enable/disable locking: - `locks` option in spack configuration controls whether Spack will use filesystem locks or not. - `-l` and `-L` command-line options can force-disable or force-enable locking. - Spack will check for group- and world-writability before disabling locks, and it will not allow a group- or world-writable instance to have locks disabled. - update documentation
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