use shadow-rs instead of executing git describe

this removes git from the build dependencies

Cargo.lock

@@ -61,6 +61,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -441,6 +450,12 @@ dependencies = [
  "piper",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -476,6 +491,38 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "camino"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b96ec4966b5813e2c0507c1f86115c8c5abaadc3980879c3424042a02fd1ad3"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "cargo-platform"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e35af189006b9c0f00a064685c727031e3ed2d8020f7ba284d78cc2671bd36ea"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "cargo_metadata"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d886547e41f740c616ae73108f6eb70afe6d940c7bc697cb30f13daec073037"
+dependencies = [
+ "camino",
+ "cargo-platform",
+ "semver",
+ "serde",
+ "serde_json",
+ "thiserror 1.0.68",
+]
+
 [[package]]
 name = "cbc"
 version = "0.1.2"
@@ -491,6 +538,8 @@ version = "1.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baee610e9452a8f6f0a1b6194ec09ff9e2d85dea54432acdae41aa0761c95d70"
 dependencies = [
+ "jobserver",
+ "libc",
  "shlex",
 ]
 
@@ -599,6 +648,32 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "const_fn"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f8a2ca5ac02d09563609681103aada9e1777d54fc57a5acd7a41404f9c93b6e"
+
+[[package]]
+name = "const_format"
+version = "0.2.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "126f97965c8ad46d6d9163268ff28432e8f6a1196a55578867832e3049df63dd"
+dependencies = [
+ "const_format_proc_macros",
+]
+
+[[package]]
+name = "const_format_proc_macros"
+version = "0.2.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d57c2eccfb16dbac1f4e61e206105db5820c9d26c3c472bc17c774259ef7744"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.10.0"
@@ -1232,6 +1307,19 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "git2"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fda788993cc341f69012feba8bf45c0ba4f3291fcc08e214b4d5a7332d88aff"
+dependencies = [
+ "bitflags 2.6.0",
+ "libc",
+ "libgit2-sys",
+ "log",
+ "url",
+]
+
 [[package]]
 name = "glib"
 version = "0.20.5"
@@ -1543,6 +1631,29 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.61"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "235e081f3925a06703c2d0117ea8b91f042756fd6e7a6e5d901e8ca1a996b220"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core 0.52.0",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "icu_collections"
 version = "1.5.0"
@@ -1796,6 +1907,12 @@ version = "2.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ddc24109865250148c2e0f3d25d4f0f479571723792d3802153c60922a4fb708"
 
+[[package]]
+name = "is_debug"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8ea828c9d6638a5bd3d8b14e37502b4d56cae910ccf8a5b7f51c7a0eb1d0508"
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
@@ -1808,6 +1925,25 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "jobserver"
+version = "0.1.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48d1dbcbbeb6a7fec7e059840aa538bd62aaccf972c7346c4d9d2059312853d0"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "js-sys"
+version = "0.3.77"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "keycode"
 version = "0.4.0"
@@ -1855,6 +1991,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sha2",
+ "shadow-rs",
  "slab",
  "thiserror 2.0.0",
  "tokio",
@@ -1952,6 +2089,18 @@ version = "0.2.161"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e9489c2807c139ffd9c1794f4af0ebe86a828db53ecdc7fea2111d0fed085d1"
 
+[[package]]
+name = "libgit2-sys"
+version = "0.18.0+1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1a117465e7e1597e8febea8bb0c410f1c7fb93b1e1cddf34363f8390367ffec"
+dependencies = [
+ "cc",
+ "libc",
+ "libz-sys",
+ "pkg-config",
+]
+
 [[package]]
 name = "libloading"
 version = "0.8.5"
@@ -1962,6 +2111,18 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "libz-sys"
+version = "1.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9b68e50e6e0b26f672573834882eb57759f6db9b3be2ea3c35c91188bb4eaa"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.5.6"
@@ -2186,6 +2347,15 @@ dependencies = [
  "syn 2.0.87",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c7398b9c8b70908f6371f47ed36737907c87c52af34c268fed0bf0ceb92ead9"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "object"
 version = "0.36.5"
@@ -2667,6 +2837,12 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7c45b9784283f1b2e7fb61b42047c2fd678ef0960d4f6f1eba131594cc369d4"
+
 [[package]]
 name = "ryu"
 version = "1.0.18"
@@ -2704,6 +2880,9 @@ name = "semver"
 version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "serde"
@@ -2779,6 +2958,21 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "shadow-rs"
+version = "0.38.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69d433b5df1e1958a668457ebe4a9c5b7bcfe844f4eb2276ac43cf273baddd54"
+dependencies = [
+ "cargo_metadata",
+ "const_format",
+ "git2",
+ "is_debug",
+ "serde_json",
+ "time",
+ "tzdb",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -2994,7 +3188,9 @@ checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
 dependencies = [
  "deranged",
  "itoa",
+ "libc",
  "num-conv",
+ "num_threads",
  "powerfmt",
  "serde",
  "time-core",
@@ -3167,6 +3363,35 @@ version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
+[[package]]
+name = "tz-rs"
+version = "0.6.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33851b15c848fad2cf4b105c6bb66eb9512b6f6c44a4b13f57c53c73c707e2b4"
+dependencies = [
+ "const_fn",
+]
+
+[[package]]
+name = "tzdb"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b580f6b365fa89f5767cdb619a55d534d04a4e14c2d7e5b9a31e94598687fb1"
+dependencies = [
+ "iana-time-zone",
+ "tz-rs",
+ "tzdb_data",
+]
+
+[[package]]
+name = "tzdb_data"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4471adcfcbd3052e8c5b5890a04a559837444b3be26b9cbbd622063171cec9d"
+dependencies = [
+ "tz-rs",
+]
+
 [[package]]
 name = "uds_windows"
 version = "1.1.0"
@@ -3257,6 +3482,12 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version-compare"
 version = "0.2.0"
@@ -3275,6 +3506,64 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
+dependencies = [
+ "bumpalo",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.87",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.87",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
+dependencies = [
+ "unicode-ident",
+]
+
 [[package]]
 name = "wayland-backend"
 version = "0.3.7"

Cargo.toml

@@ -23,6 +23,9 @@ lto = "fat"
 strip = true
 panic = "abort"
 
+[build-dependencies]
+shadow-rs = "0.38.0"
+
 [dependencies]
 input-event = { path = "input-event", version = "0.3.0" }
 input-emulation = { path = "input-emulation", version = "0.3.0", default-features = false }
@@ -31,6 +34,7 @@ lan-mouse-cli = { path = "lan-mouse-cli", version = "0.2.0" }
 lan-mouse-gtk = { path = "lan-mouse-gtk", version = "0.2.0", optional = true }
 lan-mouse-ipc = { path = "lan-mouse-ipc", version = "0.2.0" }
 lan-mouse-proto = { path = "lan-mouse-proto", version = "0.2.0" }
+shadow-rs = { version = "0.38.0", features = ["metadata"] }
 
 hickory-resolver = "0.24.1"
 toml = "0.8"

build.rs

@@ -1,20 +1,8 @@
-use std::process::Command;
+use shadow_rs::ShadowBuilder;
 
 fn main() {
-    // commit hash
+    ShadowBuilder::builder()
-    let git_describe = Command::new("git")
+        .deny_const(Default::default())
-        .arg("describe")
+        .build()
-        .arg("--always")
+        .expect("shadow build");
-        .arg("--dirty")
-        .arg("--tags")
-        .output()
-        .map(|output| String::from_utf8(output.stdout).ok())
-        .ok()
-        .flatten()
-        .unwrap_or_else(|| {
-            println!("cargo:warning=Failed to get git describe");
-            String::from("unknown")
-        });
-    let git_describe = git_describe.trim().to_string();
-    println!("cargo::rustc-env=GIT_DESCRIBE={git_describe}");
 }

src/config.rs

@@ -17,6 +17,10 @@ use input_event::scancode::{
     Linux::{KeyLeftAlt, KeyLeftCtrl, KeyLeftMeta, KeyLeftShift},
 };
 
+use shadow_rs::shadow;
+
+shadow!(build);
+
 #[derive(Serialize, Deserialize, Debug)]
 pub struct ConfigToml {
     pub capture_backend: Option<CaptureBackend>,
@@ -51,7 +55,7 @@ impl ConfigToml {
 }
 
 #[derive(Parser, Debug)]
-#[command(author, version=env!("GIT_DESCRIBE"), about, long_about = None)]
+#[command(author, version=build::CLAP_LONG_VERSION, about, long_about = None)]
 struct CliArgs {
     /// the listen port for lan-mouse
     #[arg(short, long)]