Nothing
## This function determines the dependencies for the specified
## package, exluding only packages found in "base".
getDependencies <- function (pkgs,
dependencies = c("Depends", "Imports", "LinkingTo"),
installed=TRUE,
available=TRUE,
base=FALSE,
recommended=FALSE)
{
pkgs.in = pkgs
if (is.null(dependencies))
return(unique(pkgs))
dep2 <- c("Depends", "Imports", "LinkingTo")
if(installed && !available)
all.packages <- installed.packages()
else if (available && !installed)
all.packages <- available.packages()
else
all.packages <- as.matrix(smartbind(##
installed.packages(),
available.packages()
))
rownames(all.packages) <- all.packages[,"Package"]
p0 <- unique(pkgs)
miss <- !p0 %in% row.names(all.packages)
if (sum(miss)) {
warning(sprintf(ngettext(sum(miss), "package %s is not available (for %s)",
"packages %s are not available (for %s)"), paste(sQuote(p0[miss]),
collapse = ", "), sub(" *\\(.*", "", R.version.string)),
domain = NA, call. = FALSE)
if (sum(miss) == 1L && !is.na(w <- match(tolower(p0[miss]),
tolower(row.names(all.packages))))) {
warning(sprintf("Perhaps you meant %s ?", sQuote(row.names(all.packages)[w])),
call. = FALSE, domain = NA)
}
flush.console()
}
## Whether to exclude base and recommended packages
if(!base || !recommended)
{
priority <- NULL
if(!base) priority <- c("base", priority)
if(!recommended) priority <- c("recommended", priority)
installed <- installed.packages(priority=priority)
}
else
installed <- installed.packages()[FALSE,]
p0 <- p0[!miss]
p1 <- p0
not_avail <- character()
repeat {
deps <- apply(all.packages[p1, dependencies, drop = FALSE],
1L, function(x) paste(x[!is.na(x)], collapse = ", "))
res <- .clean_up_dependencies2(
deps,
installed=installed,
all.packages)
not_avail <- c(not_avail, res[[2L]])
deps <- unique(res[[1L]])
deps <- deps[!deps %in% c("R", pkgs)]
if (!length(deps))
break
pkgs <- c(deps, pkgs)
p1 <- deps
if (!is.null(dep2)) {
dependencies <- dep2
dep2 <- NULL
}
}
if (length(not_avail)) {
not_avail <- unique(not_avail)
warning(sprintf(ngettext(length(not_avail),
"dependency %s is not available",
"dependencies %s are not available"),
paste(sQuote(not_avail),
collapse = ", ")),
domain = NA,
call. = FALSE,
immediate. = TRUE)
flush.console()
}
pkgs <- unique(pkgs)
pkgs <- pkgs[pkgs %in% row.names(all.packages)]
p0 <- pkgs
p0[ ! p0 %in% pkgs.in ]
}
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