Drop rappdirs dependency

DESCRIPTION

@@ -22,7 +22,6 @@ Imports:
     jsonlite,
     processx (>= 3.3.0.9001),
     R6,
-    rappdirs,
     tools,
     utils
 Suggests:

NAMESPACE

@@ -76,7 +76,6 @@ importFrom(filelock,lock)
 importFrom(filelock,unlock)
 importFrom(processx,conn_get_fileno)
 importFrom(processx,process)
-importFrom(rappdirs,user_cache_dir)
 importFrom(tools,file_ext)
 importFrom(utils,URLencode)
 importFrom(utils,getSrcDirectory)

R/cache-api.R

@@ -5,8 +5,8 @@
 #' e.g. the number of files and their total size. It returns a named list.
 #'
 #' @param cachepath Path of the cache. By default the cache directory is in
-#'   `R-pkg`, within the user's cache directory.
-#'   See [rappdirs::user_cache_dir()].
+#'   `pkgcache`, within the user's cache directory.
+#'   See `tools::R_user_dir()`.
 #'
 #' @seealso The [package_cache] R6 class for a more flexible API.
 #' @rdname pkg_cache_api

R/cache-dirs.R

@@ -36,7 +36,6 @@ get_user_cache_dir <- function() {
   res
 }
 
-#' @importFrom rappdirs user_cache_dir
 #' @rawNamespace if (getRversion() >= "4.0.0") importFrom(tools, R_user_dir)
 
 # nocov start
@@ -50,20 +49,64 @@ my_R_user_dir <- function(package, which = "cache") {
   } else if (Sys.info()[["sysname"]] == "Darwin") {
     path.expand(file.path(user_cache_dir(), "org.R-project.R", "R", package))
   } else if (.Platform$OS.type == "windows") {
-    path.expand(file.path(dirname(user_cache_dir()), "R", "cache", "R", package))
+    path.expand(file.path(user_cache_dir(), "R", "cache", "R", package))
   } else {
     path.expand(file.path(user_cache_dir(), "R", package))
   }
 }
 
+user_cache_dir <- function() {
+  if (nzchar(cache <- Sys.getenv("R_PKG_CACHE_DIR", ""))) {
+    return(cache)
+  }
+  if (nzchar(cache <- Sys.getenv("R_USER_CACHE_DIR", ""))) {
+    return(file.path(cache, "R"))
+  }
+  switch(
+    get_os(),
+    win = file_path(win_path_local()),
+    mac = "~/Library/Caches",
+    unix = ,
+    unknown = file_path(Sys.getenv("XDG_CACHE_HOME", "~/.cache"))
+  )
+}
+
+get_os <- function() {
+  if (.Platform$OS.type == "windows") {
+    "win"
+  } else if (Sys.info()["sysname"] == "Darwin") {
+    "mac"
+  } else if (.Platform$OS.type == "unix") {
+    "unix"
+  } else {
+    "unknown"
+  }
+}
+
+file_path <- function(...) {
+  normalizePath(do.call("file.path", as.list(c(...))), mustWork = FALSE)
+}
+
+win_path_local <- function() {
+  if (nzchar(lapp <- Sys.getenv("LOCALAPPDATA", ""))) {
+    lapp
+
+  } else if (nzchar(usrprof <- Sys.getenv("USERPROFILE", ""))) {
+    file.path(usrprof, "AppData", "Local")
+
+  } else {
+    file.path(tempdir(), "r-pkg-cache")
+  }
+}
+
 # nocov end
 
 if (getRversion() < "4.0.0") {
   R_user_dir <- my_R_user_dir
 }
 
 cleanup_old_cache_dir <- function(force = FALSE) {
-  dir <- user_cache_dir("R-pkg")
+  dir <- file.path(user_cache_dir(), "R-pkg")
   if (!file.exists(dir)) {
     message("Old cache directory does not exists, nothing to do")
     return(invisible())

README.md

@@ -240,7 +240,7 @@ configure Bioconductor support.
   `pkgcache_low_speed_limit` options have priority over these
   environment variables, if they are set.
 - `R_PKG_CACHE_DIR` is used for the cache directory, if set. (Otherwise
-  `rappdirs::user_cache_dir()` is used, see also `meta_cache_summary()`
+  `tools::R_user_dir("pkgcache", "cache")` is used, see also `meta_cache_summary()`
   and `pkg_cache_summary()`).
 
 ## Using pkgcache in CRAN packages

tests/testthat/test-cache-dir.R

@@ -70,16 +70,17 @@ test_that("cleanup_old_cache_dir", {
   mockery::stub(cleanup_old_cache_dir, "user_cache_dir", function(...) tmp)
   expect_message(cleanup_old_cache_dir(), "nothing to do")
 
-  mkdirp(tmp)
+  cachedir <- file.path(tmp, "R-pkg")
+  mkdirp(cachedir)
   mockery::stub(cleanup_old_cache_dir, "interactive", FALSE)
   expect_error(cleanup_old_cache_dir(), "non-interactive session")
 
   mockery::stub(cleanup_old_cache_dir, "interactive", TRUE)
   mockery::stub(cleanup_old_cache_dir, "readline", "n")
   expect_error(cleanup_old_cache_dir(), "Aborted")
 
-  expect_true(file.exists(tmp))
+  expect_true(file.exists(cachedir))
   mockery::stub(cleanup_old_cache_dir, "readline", "y")
   expect_message(cleanup_old_cache_dir(), "Cleaned up cache")
-  expect_false(file.exists(tmp))
+  expect_false(file.exists(cachedir))
 })

tests/testthat/test-repo-status.R

@@ -29,6 +29,8 @@ test_that("repo_status", {
 })
 
 test_that("bioc repo status", {
+  if (getRversion() < "4.2.0") skip("Need R 4.2.x")
+
   setup_fake_apps()
   withr::local_options(width = 1000)
 

tools/README-body.Rmd

@@ -166,7 +166,7 @@ Bioconductor support.
   curl options. The `pkgcache_low_speed_time` and `pkgcache_low_speed_limit`
   options have priority over these environment variables, if they are set.
 - `R_PKG_CACHE_DIR` is used for the cache directory, if set. (Otherwise
-  `rappdirs::user_cache_dir()` is used, see also `meta_cache_summary()` and
+  `tools::R_user_dir("pkgcache", "cache")` is used, see also `meta_cache_summary()` and
   `pkg_cache_summary()`).
 
 ## Using pkgcache in CRAN packages