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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Mon,  9 Oct 2023 13:51:36 +0200
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Subject: [pbs-devel] [RFC v2 proxmox-backup 20/23] fix #3174: schema: add
 backup detection mode schema
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Adds the schema for switching the detection mode used to identify
regular files which changed since a reference backup run.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
Changes since version 1:
not present in version 1

 pbs-api-types/src/datastore.rs | 41 ++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/pbs-api-types/src/datastore.rs b/pbs-api-types/src/datastore.rs
index 73c4890e..723bb43d 100644
--- a/pbs-api-types/src/datastore.rs
+++ b/pbs-api-types/src/datastore.rs
@@ -65,6 +65,14 @@ pub const BACKUP_TYPE_SCHEMA: Schema = StringSchema::new("Backup type.")
     ]))
     .schema();
 
+pub const BACKUP_DETECTION_MODE_SCHEMA: Schema =
+    StringSchema::new("Backup file change detection mode.")
+        .format(&ApiStringFormat::Enum(&[
+            EnumEntry::new("data", "Reading full data"),
+            EnumEntry::new("metadata", "Check file metadata"),
+        ]))
+        .schema();
+
 pub const BACKUP_TIME_SCHEMA: Schema = IntegerSchema::new("Backup time (Unix epoch.)")
     .minimum(1)
     .schema();
@@ -1048,6 +1056,39 @@ impl std::str::FromStr for BackupPart {
     }
 }
 
+#[api]
+/// Backup file detection mode
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq, Deserialize, Serialize)]
+#[serde(rename_all = "lowercase")]
+pub enum BackupDetectionMode {
+    /// Data..
+    Data,
+    /// Metadata.
+    Metadata,
+}
+
+impl BackupDetectionMode {
+    pub const fn as_str(&self) -> &'static str {
+        match self {
+            BackupDetectionMode::Data=> "data",
+            BackupDetectionMode::Metadata => "metadata",
+        }
+    }
+}
+
+impl std::str::FromStr for BackupDetectionMode {
+    type Err = Error;
+
+    /// Parse backup file detection mode.
+    fn from_str(ty: &str) -> Result<Self, Error> {
+        Ok(match ty {
+            "data" => BackupDetectionMode::Data,
+            "metadata" => BackupDetectionMode::Metadata,
+            _ => bail!("invalid backup detection mode {ty:?}"),
+        })
+    }
+}
+
 #[api(
     properties: {
         "backup": { type: BackupDir },
-- 
2.39.2