Prespecified criteria
This is a collection of commonly used root criteria.
criteria is_rstudio_project is_r_package is_remake_project is_drake_project is_projectile_project is_git_root is_svn_root is_vcs_root is_testthat from_wd
is_rstudio_project looks for a file with extension .Rproj.
is_r_package looks for a DESCRIPTION file.
is_remake_project looks for a remake.yml file.
is_drake_project looks for a .drake directory.
is_projectile_project looks for a .projectile file.
is_git_root looks for a .git directory.
is_svn_root looks for a .svn directory.
is_vcs_root looks for the root of a version control
system, currently only Git and SVN are supported.
is_testthat looks for the testthat directory, works when
developing, testing, and checking a package.
from_wd uses the current working directory.
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