[pbs-devel] [PATCH v2 proxmox-backup 4/5] fix #3847: client: treat minus sign as stdin

[Robert Obkircher]

Treat "-" as an alias for "/dev/stdin". If there is an actual file
with that name it can still be read via "./-".

Signed-off-by: Robert Obkircher <r.obkircher at proxmox.com>
---
 proxmox-backup-client/src/main.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/proxmox-backup-client/src/main.rs b/proxmox-backup-client/src/main.rs
index 828643da..24a7d072 100644
--- a/proxmox-backup-client/src/main.rs
+++ b/proxmox-backup-client/src/main.rs
@@ -845,6 +845,13 @@ async fn create_backup(
         }
         target_set.insert(target.clone());
 
+        // one can still use ./- to refer to an actual file with that name
+        let filename = if filename == "-" {
+            String::from("/dev/stdin")
+        } else {
+            filename
+        };
+
         use std::os::unix::fs::FileTypeExt;
 
         let metadata = std::fs::metadata(&filename)
-- 
2.47.3