install_prebuilt() also supports macOS

Author: yihui

R/install.R

@@ -339,22 +339,35 @@ install_yihui_pkgs = function() {
 # install a prebuilt version of TinyTeX
 install_prebuilt = function() {
   if (is_windows()) {
-    installer = 'TinyTeX.zip'
-    download_file('https://ci.appveyor.com/api/projects/yihui/tinytex/artifacts/TinyTeX.zip', installer)
-    install_windows_zip(installer)
+    install_windows_zip()
   } else if (is_linux()) {
     system('wget -qO- https://yihui.org/gh/tinytex/tools/download-travis-linux.sh | sh')
+  } else if (is_macos()) {
+    install_macos_tgz()
   } else {
     stop('TinyTeX was not prebuilt for this platform.')
   }
 }
 
+download_installer = function(file, extra = '') {
+  download_file(paste0(
+    'https://ci.appveyor.com/api/projects/yihui/tinytex/artifacts/', file, URLencode(extra)
+  ), file)
+}
+
 # if you have already downloaded the zip archive, use this function to install it
 install_windows_zip = function(path = 'TinyTeX.zip') {
+  if (missing(path) && !file.exists(path)) download_installer(path, '?job=image: Visual Studio 2019')
   unzip(path, exdir =  win_app_dir())
   tlmgr_path(); texhash(); fmtutil(); updmap(); fc_cache()
 }
 
+install_macos_tgz = function(path = 'TinyTeX.tar.gz') {
+  if (missing(path) && !file.exists(path)) download_installer(path, '?job=image: macos')
+  untar(path, exdir = path.expand('~/Library'))
+  tlmgr_path()
+}
+
 #' Copy TinyTeX to another location and use it in another system
 #'
 #' The function \code{copy_tinytex()} copies the existing TinyTeX installation

appveyor.yml

@@ -64,8 +64,8 @@ for:
 
   test_script:
     - Rscript "tools/test-basic.R"
-    - tar zcf TinyTeX-macOS.tar.gz -C ~/Library TinyTeX
+    - tar zcf TinyTeX.tar.gz -C ~/Library TinyTeX
 
   artifacts:
-    - path: TinyTeX-macOS.tar.gz
-      name: TinyTeX-macOS
+    - path: TinyTeX.tar.gz
+      name: TinyTeX