the backtick version whoami no longer works (at least on my new mac…

…OS), so get the user name from system2() instead

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: tinytex
 Type: Package
 Title: Helper Functions to Install and Maintain TeX Live, and Compile LaTeX Documents
-Version: 0.47.1
+Version: 0.47.2
 Authors@R: c(
   person("Yihui", "Xie", role = c("aut", "cre", "cph"), email = "xie@yihui.name", comment = c(ORCID = "0000-0003-0645-5666")),
   person(given = "Posit Software, PBC", role = c("cph", "fnd")),

R/install.R

@@ -217,7 +217,8 @@ check_local_bin = function() {
     'See https://github.com/rstudio/tinytex/issues/24 for more info.'
   )
   if (!dir_exists(p)) osascript(paste('mkdir -p', p))
-  osascript(paste('chown -R `whoami`:admin', p))
+  user = system2('whoami', stdout = TRUE)
+  osascript(sprintf('chown -R %s:admin %s', user, p))
 }
 
 osascript = function(cmd) {