Add a git based sync option #441

Cargo.toml

@@ -14,7 +14,7 @@ edition = "2021"
 rust-version = "1.91.1"
 
 [workspace]
-members = [ "xtask" ]
+members = ["xtask"]
 resolver = "2"
 
 [lib]
@@ -24,15 +24,32 @@ crate-type = ["cdylib", "rlib"]
 default = ["sync", "bundled", "storage", "tls-webpki-roots"]
 
 # Support for all sync solutions
-sync = ["server-sync", "server-gcp", "server-aws", "server-local"]
+sync = ["server-sync", "server-gcp", "server-aws", "server-local", "server-git"]
 # Support for sync to a server
 server-sync = ["encryption", "http"]
 # Support for sync to GCP
-server-gcp = ["cloud", "encryption", "http", "dep:google-cloud-storage", "dep:reqwest-middleware"]
+server-gcp = [
+  "cloud",
+  "encryption",
+  "http",
+  "dep:google-cloud-storage",
+  "dep:reqwest-middleware",
+]
 # Support for sync to AWS
-server-aws = ["cloud", "encryption", "http", "dep:aws-sdk-s3", "dep:aws-config", "dep:aws-credential-types", "dep:aws-smithy-runtime-api", "dep:aws-smithy-types"]
+server-aws = [
+  "cloud",
+  "encryption",
+  "http",
+  "dep:aws-sdk-s3",
+  "dep:aws-config",
+  "dep:aws-credential-types",
+  "dep:aws-smithy-runtime-api",
+  "dep:aws-smithy-types",
+]
 # Suppport for sync to another SQLite database on the same machine
 server-local = ["dep:rusqlite"]
+# Support for sync via Git
+server-git = ["dep:serde_with", "dep:glob", "encryption"]
 
 # Support for all task storage backends (except indexeddb, which only works on WASM builds)
 storage = ["storage-sqlite"]
@@ -64,12 +81,13 @@ async-trait = "0.1.89"
 byteorder = "1.5"
 chrono = { version = "^0.4.44", features = ["serde"] }
 flate2 = "1"
+serde_with = { version = "3.18.0", features = ["base64"], optional = true }
 idb = { version = "0.6.4", optional = true }
 log = "^0.4.17"
 # Reqwest is "stuck" at 0.12 because that's what google-cloud-storage depends on.
 reqwest = { version = "0.12", default-features = false, optional = true }
 ring = { version = "0.17", optional = true }
-rusqlite = { version = "0.39", features = [ "fallible_uint" ], optional = true}
+rusqlite = { version = "0.39", features = ["fallible_uint"], optional = true }
 serde_json = "^1.0"
 serde = { version = "^1.0.147", features = ["derive"] }
 strum = "0.28"
@@ -78,11 +96,14 @@ tokio = { version = "1", features = ["macros", "sync", "rt"] }
 thiserror = "2.0"
 uuid = { version = "^1.23.1", features = ["serde", "v4"] }
 url = { version = "2", optional = true }
+glob = { version = "0.3.3", optional = true }
 
 ## wasm-only dependencies.
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 uuid = { version = "1", features = ["js"] }
-ring = { version = "0", optional = true, features = ["wasm32_unknown_unknown_js"] }
+ring = { version = "0", optional = true, features = [
+  "wasm32_unknown_unknown_js",
+] }
 getrandom = { version = "0.4", features = ["wasm_js"] }
 wasm-bindgen = { version = "0.2" }
 wasm-bindgen-futures = { version = "0.4" }
@@ -101,7 +122,7 @@ web-sys = { version = "0.3.83", optional = true, features = [
   "EventTarget",
   "Event",
   "console",
-]}
+] }
 
 ## non-wasm dependencies
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
@@ -110,7 +131,10 @@ aws-config = { version = "1.8", default-features = false, features = ["rt-tokio"
 aws-credential-types = { version = "1", default-features = false, features = ["hardcoded-credentials"], optional = true }
 aws-smithy-runtime-api = { version = "1.11", default-features = false, optional = true }
 aws-smithy-types = { version = "1.4", default-features = false, optional = true }
-google-cloud-storage = { version = "0.24.0", default-features = false, features = ["rustls-tls", "auth"], optional = true }
+google-cloud-storage = { version = "0.24.0", default-features = false, features = [
+  "rustls-tls",
+  "auth",
+], optional = true }
 reqwest-middleware = { version = "0.4", optional = true }
 
 ## common dev-dependencies