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#' Generate an r5r situation report to help debug errors
#'
#' @description
#' The function reports a list with the following information:
#'
#' - The package version of `{r5r}` in use.
#' - The installed version of `R5.jar`.
#' - The Java version in use.
#' - The amount of memory set to Java through the `java.parameters` option.
#' - The user's Session Info.
#'
#' @return A `list` with information of the versions of the r5r package, Java
#' and R5 Jar in use, the memory set to Java and user's Session Info.
#'
#' @examplesIf identical(tolower(Sys.getenv("NOT_CRAN")), "true")
#' r5r_sitrep()
#'
#' @export
r5r_sitrep <- function() {
r5r_package_version <- utils::packageVersion("r5r")
jar_dir <- system.file("jar", package = "r5r")
jar_dir_files <- list.files(jar_dir)
jar_dir_files_full_names <- list.files(jar_dir, full.names = TRUE)
r5r_jar <- jar_dir_files[grepl("r5r_\\d_\\d_\\d.*\\.jar", jar_dir_files)]
r5r_jar_version <- sub("\\.jar", "", sub("r5r_", "", r5r_jar))
r5r_jar_version <- gsub("_", "\\.", r5r_jar_version)
r5r_jar_path <- jar_dir_files_full_names[
grepl("\\/r5r_\\d_\\d_\\d*\\.jar", jar_dir_files_full_names)
]
r5_jar <- jar_dir_files[grepl("r5-v\\d\\.\\d.*\\.jar", jar_dir_files)]
r5_jar_version <- substr(r5_jar, 5, 7)
r5_jar_path <- jar_dir_files_full_names[
grepl("\\/r5-v\\d\\.\\d.*\\.jar", jar_dir_files_full_names)
]
rJava::.jinit()
java_version <- rJava::.jcall(
"java.lang.System",
"S",
"getProperty",
"java.version"
)
set_memory <- getOption("java.parameters")
output_list <- list(r5r_package_version,
r5_jar_version,
java_version,
# r5_jar_path,
# r5r_jar_path,
set_memory,
# jar_dir_files_full_names,
utils::sessionInfo())
names(output_list) <- c('r5r_package_version',
'r5_jar_version',
'java_version',
# 'r5_jar_path',
# 'r5r_jar_path',
'set_memory',
# 'jar_dir_files_full_names',
'session_info'
)
return(output_list)
}
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