[PATCH common v5 1/1] file: add exists and size helper

[Dominik Csapak <d.csapak@proxmox.com>]

Can be used by other modules that need easy mocking in tests.

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
new in v5 (split out from first qemu-server patch)

 src/PVE/File.pm | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/PVE/File.pm b/src/PVE/File.pm
index abdf9d7..3fa8643 100644
--- a/src/PVE/File.pm
+++ b/src/PVE/File.pm
@@ -13,8 +13,10 @@ use POSIX qw(EEXIST EOPNOTSUPP);
 use base 'Exporter';
 
 our @EXPORT_OK = qw(
+    file_exists
     file_set_contents
     file_get_contents
+    file_get_size
     file_read_first_line
     file_read_last_line
     dir_glob_regex
@@ -285,4 +287,16 @@ sub dir_glob_foreach($dir, $regex, $func) {
     }
 }
 
+# easier to mock for testing than '-f'.
+sub file_exists {
+    my ($path) = @_;
+    return -f $path;
+}
+
+# easier to mock for testing than '-s'.
+sub file_get_size {
+    my ($path) = @_;
+    return -s $path;
+}
+
 1;
-- 
2.47.3