38 lines
2.0 KiB
Python
38 lines
2.0 KiB
Python
# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from spack import *
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class RCheckpoint(RPackage):
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"""Install Packages from Snapshots on the Checkpoint Server for Reproducibility
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The goal of checkpoint is to solve the problem of package reproducibility
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in R. Specifically, checkpoint allows you to install packages as they
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existed on CRAN on a specific snapshot date as if you had a CRAN time
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machine. To achieve reproducibility, the checkpoint() function installs the
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packages required or called by your project and scripts to a local library
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exactly as they existed at the specified point in time. Only those packages
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are available to your project, thereby avoiding any package updates that
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came later and may have altered your results. In this way, anyone using
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checkpoint's checkpoint() can ensure the reproducibility of your scripts or
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projects at any time. To create the snapshot archives, once a day (at
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midnight UTC) Microsoft refreshes the Austria CRAN mirror on the "Microsoft
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R Archived Network" server (<https://mran.microsoft.com/>). Immediately
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after completion of the rsync mirror process, the process takes a snapshot,
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thus creating the archive. Snapshot archives exist starting from
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2014-09-17."""
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homepage = "https://cloud.r-project.org/package=checkpoint"
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url = "https://cloud.r-project.org/src/contrib/checkpoint_0.4.6.tar.gz"
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list_url = "https://cloud.r-project.org/src/contrib/Archive/checkpoint"
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version('0.4.10', sha256='7362ae9703763fe4652d0b592cd913ce506f072a18e5cf5970d08d7cdf4d126a')
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version('0.4.6', sha256='fd1a5edb5cb1a40d7ed26bb196de566110fe2ef62e70b4e947c003576a03ebb2')
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version('0.4.3', sha256='c3e862f89f8838183d6028f7ed13683aec562e6dab77ad4b6a5e24ec653cfb64')
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version('0.3.15', sha256='09f1feeb2b5b8b409a2e16a9185827b8da5e555f1aa84442a287f15e452beed7')
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depends_on('r@3.0.0:', type=('build', 'run'))
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