Show "version number" when shutting down

Cargo.lock

@@ -112,6 +112,9 @@ name = "cc"
 version = "1.0.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cfg-if"
@@ -189,6 +192,7 @@ dependencies = [
  "serenity",
  "tokio",
  "toml",
+ "vergen",
 ]
 
 [[package]]
@@ -264,6 +268,26 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "enum-iterator"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eeac5c5edb79e4e39fe8439ef35207780a11f69c52cbe424ce3dfad4cb78de6"
+dependencies = [
+ "enum-iterator-derive",
+]
+
+[[package]]
+name = "enum-iterator-derive"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c134c37760b27a871ba422106eedbb8247da973a09e82558bf26d619c882b159"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.22"
@@ -413,6 +437,31 @@ dependencies = [
  "wasi 0.10.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "getset"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e45727250e75cc04ff2846a66397da8ef2b3db8e40e0cef4df67950a07621eb9"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "git2"
+version = "0.13.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f29229cc1b24c0e6062f6e742aa3e256492a5323365e5ed3413599f8a5eff7d6"
+dependencies = [
+ "bitflags",
+ "libc",
+ "libgit2-sys",
+ "log",
+ "url",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.9"
@@ -612,6 +661,15 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
 
+[[package]]
+name = "jobserver"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af25a77299a7f711a01975c35a6a424eb6862092cc2d6c72c4ed6cbc56dfc1fa"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.55"
@@ -633,6 +691,30 @@ version = "0.2.112"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
 
+[[package]]
+name = "libgit2-sys"
+version = "0.12.26+1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19e1c899248e606fbfe68dcb31d8b0176ebab833b103824af31bddf4b7457494"
+dependencies = [
+ "cc",
+ "libc",
+ "libz-sys",
+ "pkg-config",
+]
+
+[[package]]
+name = "libz-sys"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de5435b8549c16d423ed0c03dbaafe57cf6c3344744f1242520d59c9d8ecec66"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.5"
@@ -887,6 +969,30 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
 
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.34"
@@ -1070,6 +1176,12 @@ dependencies = [
  "winreg",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
+
 [[package]]
 name = "ryu"
 version = "1.0.9"
@@ -1508,6 +1620,22 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "vergen"
+version = "5.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6cf88d94e969e7956d924ba70741316796177fa0c79a2c9f4ab04998d96e966e"
+dependencies = [
+ "anyhow",
+ "cfg-if",
+ "chrono",
+ "enum-iterator",
+ "getset",
+ "git2",
+ "rustversion",
+ "thiserror",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.3"

Cargo.toml

@@ -22,3 +22,8 @@ features = ["full"]
 version = "0.10"
 default-features = false
 features = ["builder", "cache", "client", "gateway", "model", "utils", "native_tls_backend"]
+
+[build-dependencies.vergen]
+version = "5"
+default-features = false
+features = ["git"]

build.rs

@@ -0,0 +1,5 @@
+use vergen::{Config, vergen};
+
+fn main() {
+    vergen(Config::default()).unwrap();
+}

src/main.rs

@@ -458,7 +458,7 @@ async fn main() -> anyhow::Result<()> {
     select! {
         r = irc_loop(irc_client, http.clone(), channel_id, webhook, members) => r?,
         r = discord_client.start() => r?,
-        _ = terminate_signal() => {channel_id.say(&http, "dircord shutting down!").await?;},
+        _ = terminate_signal() => {channel_id.say(&http, format!("dircord shutting down! (dircord {}-{})", env!("VERGEN_GIT_BRANCH"), &env!("VERGEN_GIT_SHA")[..7])).await?;},
     }
 
     Ok(())