Bugfix/disk info (#770)

* use df for getting disk info

* fix import

* fix type errors

* add duplicity flag for different source hosts

* fix borrow

* reorder args

* update cargo lock

* use 1byte block sizes and using floating point numbers

system-images/compat/Cargo.lock

@@ -709,6 +709,17 @@ dependencies = [
  "syn 1.0.76",
 ]
 
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.76",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.16"
@@ -870,7 +881,9 @@ dependencies = [
  "libc",
  "log",
  "nix 0.23.0",
+ "nom 7.0.0",
  "num",
+ "num_enum",
  "openssh-keys",
  "openssl",
  "patch-db",
@@ -1937,6 +1950,28 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_enum"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9bd055fb730c4f8f4f57d45d35cd6b3f0980535b056dc7ff119cee6a66ed6f"
+dependencies = [
+ "derivative",
+ "num_enum_derive",
+]
+
+[[package]]
+name = "num_enum_derive"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "486ea01961c4a818096de679a8b740b26d9033146ac5291b1c98557658f8cdd9"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.76",
+]
+
 [[package]]
 name = "object"
 version = "0.26.2"
@@ -2258,6 +2293,16 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ebace6889caf889b4d3f76becee12e90353f2b8c7d875534a71e5742f8f6f83"
+dependencies = [
+ "thiserror",
+ "toml",
+]
+
 [[package]]
 name = "proc-macro-hack"
 version = "0.5.19"

system-images/compat/src/backup.rs

@@ -24,18 +24,19 @@ pub fn create_backup(
                 data_path
                     .join(exclude.to_string().trim_start_matches('!'))
                     .display()
-            ));
+            )).arg("--allow-source-mismatch");
         } else {
             data_cmd.arg(format!(
                 "--exclude={}",
                 data_path.join(exclude.to_string()).display()
-            ));
+            )).arg("--allow-source-mismatch");
         }
     }
     let data_output = data_cmd
         .env("PASSPHRASE", DEFAULT_PASSWORD)
         .arg(data_path)
         .arg(format!("file://{}", mountpoint.display().to_string()))
+        .arg("--allow-source-mismatch")
         .stderr(Stdio::piped())
         .output()?;
     if !data_output.status.success() {
@@ -56,6 +57,7 @@ pub fn restore_backup(
     let data_path = std::fs::canonicalize(data_path)?;
 
     let data_output = std::process::Command::new("duplicity")
+        .arg("--allow-source-mismatch")
         .env("PASSPHRASE", DEFAULT_PASSWORD)
         .arg("--force")
         .arg(format!("file://{}", mountpoint.display().to_string()))