add error handling around ps file system calls

NEWS.md

@@ -4,6 +4,7 @@
 
 * Allow branch references to contain multi-element `path` vectors with cloud metadata (#1382, @n8layman).
 * Avoid partial matches in internal code (#1384, @olivroy).
+* Add error handling around calls to `ps::ps_disk_partitions()` and `ps::ps_fs_mount_point()`.
 
 ## Compatibility
 

R/class_runtime.R

@@ -150,7 +150,19 @@ runtime_set_file_info <- function(runtime, store) {
 }
 
 runtime_file_systems <- function() {
-  info <- ps::ps_disk_partitions()
+  info <- tryCatch(
+    ps::ps_disk_partitions(),
+    # nocov start
+    error = function(condition) {
+      data.frame(
+        device = character(0L),
+        mountpoint = character(0L),
+        fstype = character(0L),
+        options = character(0L)
+      )
+    }
+    # nocov end
+  )
   out <- .subset2(info, "fstype")
   names(out) <- .subset2(info, "mountpoint")
   out

R/utils_files.R

@@ -109,9 +109,11 @@ trust_timestamps <- function(path) {
       file_systems <- runtime_file_systems()
       tar_runtime$file_systems <- file_systems
     }
-    mounts <- ps::ps_fs_mount_point(existing)
-    types <- as.character(file_systems[mounts])
-    trust[exists] <- !(types %in% unsafe)
+    try({
+      mounts <- ps::ps_fs_mount_point(existing)
+      types <- as.character(file_systems[mounts])
+      trust[exists] <- !(types %in% unsafe)
+    }, silent = TRUE)
   }
   trust
 }

README.Rmd

@@ -117,7 +117,6 @@ Please read the [help guide](https://books.ropensci.org/targets/help.html) to le
 
 ## Deployment
 
-* <https://solutions.rstudio.com/r/workflows/> explains how to deploy a pipeline to RStudio Connect ([example code](https://github.com/sol-eng/targets-deployment-rsc)).
 * [`tar_github_actions()`](https://docs.ropensci.org/targets/reference/tar_github_actions.html) sets up a pipeline to run on GitHub Actions. The [minimal example](https://github.com/wlandau/targets-minimal) demonstrates this approach.
 
 ## Extending and customizing targets

README.md

@@ -195,9 +195,6 @@ to ask for help using `targets`.
 
 ## Deployment
 
-- <https://solutions.rstudio.com/r/workflows/> explains how to deploy a
-  pipeline to RStudio Connect ([example
-  code](https://github.com/sol-eng/targets-deployment-rsc)).
 - [`tar_github_actions()`](https://docs.ropensci.org/targets/reference/tar_github_actions.html)
   sets up a pipeline to run on GitHub Actions. The [minimal
   example](https://github.com/wlandau/targets-minimal) demonstrates this