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checkpoint 1.0.2

• Output objects from pkgdepends are now saved as rds files instead of json. This is because pkgdepends has the format of some objects to be environments, rather than data frames or lists. This fixes the object of type environment is not subsettable error.

checkpoint 1.0.1

• Maintainer change (Folashade Daniel; fdaniel@microsoft.com).

checkpoint 1.0.0

This is a major refactoring/rewrite of checkpoint, aimed at solving many long-standing issues.

• Switch to pkgdepends for the backend, replacing custom-written code that calls install.packages and the like. This brings the following benefits:
  • Caching of downloaded packages.
  • Allow installing packages which are in use, without having to unload them first.
  • Comprehensive reporting of all aspects of the install process: dependency resolution, creating an install plan, downloading packages, and actual installation.
  • Reliable detection of installation outcomes (no more having to screen-scrape the R terminal!)
• New functions create_checkpoint and use_checkpoint, reflecting the two main objectives of the package. The checkpoint function calls out to these, based on whether the checkpoint directory exists.
  • A side-effect of this is that calling checkpoint in your home directory should result in checkpointing very many packages only once.
• New functions uncheckpoint (which is the reverse of use_checkpoint), delete_checkpoint and delete_all_checkpoints to manage checkpointing. They replace checkpointRemove, checkpointArchives and unCheckpoint.
• Function getValidSnapshots renamed to list_mran_snapshots to clarify that it lists the snapshots on the MRAN server. Similarly, setSnapshot renamed to use_mran_snapshot for consistency with other function names.
• Function scanForPackages renamed to scan_project_files to match grammatical pattern of other function names; now automatically includes rmarkdown (not knitr) in the list of dependencies if Rmarkdown-based files are found.
• Experimental support for a checkpoint.yml manifest file, to specify packages to include or exclude.
  • Allows including packages from Bioconductor or GitHub in the checkpoint; it’s recommended to specify a version number, tag or commit hash to ensure you always get the same version of a package.
• Consistent use of snake_case for all object names and function arguments.
• Remove obsolete code to handle lack of HTTPS support in ancient versions of R. (Note that the MRAN site now requires HTTPS.)
• Other bug fixes and general tidying.
• Maintainer change (James Rowland-Jones; jrj@microsoft.com).

checkpoint 0.4.10

• Maintainer change (Michelle Wallig; Michelle.Wallig@microsoft.com).

checkpoint 0.4.9

• Make vignettes static to avoid CRAN check issues.

checkpoint 0.4.8

• Added a use.lock argument to checkpoint. When this is FALSE, packages are installed without the use of locks (via the --no-lock argument to R CMD INSTALL). The default is TRUE, which is needed to pass checks on R-devel; set this to FALSE to replicate the previous behaviour of checkpoint.
• Fix build failures with the main checkpoint vignette on R-devel.
• Restored Andrie de Vries and Microsoft to Authors@R in the DESCRIPTION file.

checkpoint 0.4.7

• Fixes for bugs uncovered by R CMD check.
• unCheckpoint now automatically restores library paths to their pre-checkpoint state. This fixes the bug where library paths specified by means other than the R_LIBS_USER environment variable, eg via code in .Rprofile, were not restored. The new argument is no longer used, and a warning is printed if it is supplied.
• Skip all tests on CRAN, to avoid issues when MRAN is down.
• Handle an empty local MRAN gracefully (#253).

For package updates in previous releases of checkpoint, please see the releases page at https://github.com/RevolutionAnalytics/checkpoint/releases

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.