Delete intermediate or output files on each run

Ensure final builds are always clean

make.R

@@ -6,9 +6,11 @@ library(cliapp)
 
 source("R/make_functions.R")
 
+dir_delete("dist")
 dir_create("dist")
 
 cli_alert_info("Prepping base16 themes...")
+file_delete(dir_ls("src", regexp = "base16.+scss$"))
 dir_ls("src/palettes/base16/", regexp = "_base16.+scss") %>% 
   walk(base16_make_theme)
 
@@ -28,6 +30,8 @@ if (current_theme != "" && current_theme %in% list_sassy_themes()) {
   cli_alert_success("Reloading {strong {current_theme}}")
   rstudioapi::applyTheme(current_theme)
 } else {
-  cli_alert_info("Use {code {fun list_sassy_themes}} to list Sassy RStudio themes")
+  if (interactive()) {
+    cli_alert_info("Use {code {fun list_sassy_themes}} to list Sassy RStudio themes")
+  }
   cli_alert_info("Use {code {fun rstudioapi::applyTheme}} to enable the above themes")
 }