[Bioc-devel] New setting on devel builders will cause some new package failures
This is great news. For those who wish to reproduce this locally when
running R CMD check, I suggest creating '~/.R/check.Renviron' with:
## Check for bugs like if (c(TRUE, FALSE)) ... Supported since R 3.4.0
_R_CHECK_LENGTH_1_CONDITION_=package:_R_CHECK_PACKAGE_NAME_,verbose
## Check for bugs like c(TRUE, FALSE) && TRUE. Supported since R 3.6.0
_R_CHECK_LENGTH_1_LOGIC2_=package:_R_CHECK_PACKAGE_NAME_,verbose
These environment variables will be applied only when running 'R CMD
check'. The 'package:_R_CHECK_PACKAGE_NAME_' part makes sure these
bugs trigger check ERRORs only on the package being tested, i.e. you
can check for these bugs in your package also when one of your
dependencies have this bug.
If you want to detect these errors when you run R in general, e.g. in
your analysis, you can add:
_R_CHECK_LENGTH_1_CONDITION_=${_R_CHECK_LENGTH_1_CONDITION_-verbose}
_R_CHECK_LENGTH_1_LOGIC2_=${_R_CHECK_LENGTH_1_LOGIC2_-verbose}
to your ~/.Renviron. This will trigger a run-time error whenever and
wherever this bug occurs. If you prefer to get warnings instead of
errors, use 'warn,verbose' instead of 'verbose'. If you find these
mistakes in other packages, please consider taking the time to report
the maintainer.
/Henrik
On Fri, Jan 24, 2020 at 6:07 AM Shepherd, Lori
<Lori.Shepherd at roswellpark.org> wrote:
Hello developers, As a heads up notification, we have enabled the check setting for _R_CHECK_LENGTH_1_LOGIC2_ on the main daily builders (this setting was already active for incoming submissions on the single package builder). New ERROR's relating to this setting should be seen on the daily build reports either today or tomorrow. Your packages may need adjustment to account for this setting. This setting will catch logic ERROR similar to the following:
Sys.setenv(`_R_CHECK_LENGTH_1_LOGIC2_`="true") c(TRUE, TRUE) && TRUE
Error in c(TRUE, TRUE) && TRUE : 'length(x) = 2 > 1' in coercion to 'logical(1)' Note: The syntax ERROR in this case is using && which anticipates scalar comparison vs a vector comparison (similar for || vs | )
c(TRUE, TRUE) & TRUE
[1] TRUE TRUE Also Note: The logic check for conditionals greater than length one has been implemented since the beginning of the last release so the following are also caught but with _R_CHECK_LENGTH_1_CONDITION_ so technically the above solution would also be an ERROR if it was in a conditional.
Sys.setenv(`_R_CHECK_LENGTH_1_CONDITION_`="true") Sys.setenv(`_R_CHECK_LENGTH_1_LOGIC2_`="true") if( c(TRUE, TRUE) && TRUE ) "yes"
Error in c(TRUE, TRUE) && TRUE : 'length(x) = 2 > 1' in coercion to 'logical(1)'
if( c(TRUE, TRUE) & TRUE ) "yes"
Error in if (c(TRUE, TRUE) & TRUE) "yes" : the condition has length > 1 # any and all could be useful in these cases
if( all(c(TRUE, TRUE)) & TRUE ) "yes"
[1] "yes"
We made these changes as we have been notified by the R development team that the goal is to make these setting default in a near future version of R-devel. We therefore are implementing now to allow maintainers to have as much notice as possible.
Cheers,
Lori Shepherd
Bioconductor Core Team
Roswell Park Comprehensive Cancer Center
Department of Biostatistics & Bioinformatics
Elm & Carlton Streets
Buffalo, New York 14263
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