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@@ -1,4 +1,5 @@
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extern crate toml;
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+extern crate version_compare;
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use std::fs;
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use std::io::Error as IoError;
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@@ -8,11 +9,25 @@ use failure::Fail;
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use ffsend_api::file::remote_file::RemoteFile;
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use self::toml::de::Error as DeError;
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use self::toml::ser::Error as SerError;
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+use self::version_compare::{
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+ CompOp,
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+ VersionCompare,
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+};
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-use util::print_error;
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+use util::{print_error, print_warning};
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+
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+/// The minimum supported history file version.
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+const VERSION_MIN: &'static str = "0.0.1";
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+
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+/// The maximum supported history file version.
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+const VERSION_MAX: &'static str = crate_version!();
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#[derive(Serialize, Deserialize)]
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pub struct History {
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+ /// The application version the history file was built with.
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+ /// Used for compatability checking.
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+ version: Option<String>,
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+
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/// The file history.
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files: Vec<RemoteFile>,
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@@ -50,6 +65,21 @@ impl History {
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let mut history: Self = toml::from_str(&data)?;
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history.autosave = Some(path);
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+ // Make sure the file version is supported
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+ if history.version.is_none() {
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+ print_warning("History file has no version, ignoring");
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+ history.version = Some(crate_version!().into());
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+ } else {
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+ // Get the version number from the file
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+ let version = history.version.as_ref().unwrap();
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+
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+ if let Ok(true) = VersionCompare::compare_to(version, VERSION_MIN, &CompOp::Lt) {
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+ print_warning("History file version is too old, ignoring");
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+ } else if let Ok(true) = VersionCompare::compare_to(version, VERSION_MAX, &CompOp::Gt) {
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+ print_warning("History file has an unknown version, ignoring");
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+ }
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+ }
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+
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// Garbage collect
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history.gc();
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@@ -214,6 +244,7 @@ impl Drop for History {
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impl Default for History {
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fn default() -> Self {
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Self {
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+ version: Some(crate_version!().into()),
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files: Vec::new(),
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changed: false,
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autosave: None,
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timvisee