cli: manager, tape, debug: avoid setting up auth context for printdoc

as otherwise build fails in a clean environment, where no API auth
key is available.

This whole printdoc command injection is quite ugly and causes
headache in general though, we'd be better off if we could do away
with that..

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

src/bin/proxmox-backup-debug.rs

@@ -23,7 +23,10 @@ fn main() {
     let mut rpcenv = CliEnvironment::new();
     rpcenv.set_auth_id(Some(format!("{}@pam", username)));
 
-    proxmox_backup::auth_helpers::setup_auth_context(true);
+    let args: Vec<String> = std::env::args().take(2).collect();
+    if args.len() < 2 || args[1] != "printdoc" {
+        proxmox_backup::auth_helpers::setup_auth_context(true);
+    }
 
     run_cli_command(
         cmd_def,

src/bin/proxmox-backup-manager.rs

@@ -490,7 +490,9 @@ async fn run() -> Result<(), Error> {
     let mut rpcenv = CliEnvironment::new();
     rpcenv.set_auth_id(Some(String::from("root@pam")));
 
-    proxmox_backup::auth_helpers::setup_auth_context(true);
+    if args.len() < 2 || args[1] != "printdoc" {
+        proxmox_backup::auth_helpers::setup_auth_context(true);
+    }
 
     run_async_cli_command(cmd_def, rpcenv).await; // this call exit(-1) on error
 

src/bin/proxmox-tape.rs

@@ -1113,7 +1113,10 @@ fn main() {
     let mut rpcenv = CliEnvironment::new();
     rpcenv.set_auth_id(Some(String::from("root@pam")));
 
-    proxmox_backup::auth_helpers::setup_auth_context(true);
+    let args: Vec<String> = std::env::args().take(2).collect();
+    if args.len() < 2 || args[1] != "printdoc" {
+        proxmox_backup::auth_helpers::setup_auth_context(true);
+    }
 
     proxmox_async::runtime::main(run_async_cli_command(cmd_def, rpcenv));
 }