update to proxmox-sys 0.2 crate

- imported pbs-api-types/src/common_regex.rs from old proxmox crate
- use hex crate to generate/parse hex digest
- remove all reference to proxmox crate (use proxmox-sys and
  proxmox-serde instead)

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>

pbs-client/src/tools/key_source.rs

@@ -6,8 +6,8 @@ use std::io::Read;
 use anyhow::{bail, format_err, Error};
 use serde_json::Value;
 
-use proxmox::sys::linux::tty;
-use proxmox::tools::fs::file_get_contents;
+use proxmox_sys::linux::tty;
+use proxmox_sys::fs::file_get_contents;
 use proxmox_schema::*;
 
 use pbs_api_types::CryptMode;
@@ -374,7 +374,7 @@ fn create_testdir(name: &str) -> Result<String, Error> {
 // safe w.r.t. concurrency
 fn test_crypto_parameters_handling() -> Result<(), Error> {
     use serde_json::json;
-    use proxmox::tools::fs::{replace_file, CreateOptions};
+    use proxmox_sys::fs::{replace_file, CreateOptions};
 
     let some_key = vec![1;1];
     let default_key = vec![2;1];

pbs-client/src/tools/mod.rs

@@ -12,7 +12,7 @@ use xdg::BaseDirectories;
 
 use proxmox_schema::*;
 use proxmox_router::cli::{complete_file_name, shellword_split};
-use proxmox::tools::fs::file_get_json;
+use proxmox_sys::fs::file_get_json;
 
 use pbs_api_types::{BACKUP_REPO_URL, Authid, RateLimitConfig, UserWithTokens};
 use pbs_datastore::BackupDir;
@@ -100,7 +100,7 @@ pub fn get_secret_from_env(base_name: &str) -> Result<Option<String>, Error> {
             let args = shellword_split(command)?;
             let mut command = Command::new(&args[0]);
             command.args(&args[1..]);
-            let output = pbs_tools::run_command(command, None)?;
+            let output = proxmox_sys::command::run_command(command, None)?;
             return Ok(Some(firstline(output)));
         }
         Err(NotUnicode(_)) => bail!(format!("{} contains bad characters", env_name)),