Update to vergen 8

Cargo.toml

@@ -3,7 +3,7 @@ name = "hoc"
 version = "0.33.0"
 authors = ["Valentin Brandl <vbrandl@riseup.net>"]
 edition = "2021"
-build = "build.rs"
+build = "src/build.rs"
 
 [lib]
 path = "src/lib.rs"
@@ -37,8 +37,9 @@ tracing-log = "0.1.3"
 tracing-subscriber = { version = "0.3.16", features = ["registry", "env-filter"] }
 
 [build-dependencies]
+anyhow = "1.0.70"
 ructe = { version = "0.16.1", features = ["mime03"] }
-vergen = { version = "8.1.1", default-features = false, features = ["git"] }
+vergen = { version = "8.1.1", default-features = false, features = ["git", "gitoxide"] }
 
 [dev-dependencies]
 awc = "3.1.1"

build.rs

@@ -1,15 +0,0 @@
-extern crate ructe;
-extern crate vergen;
-
-use ructe::{Ructe, RucteError};
-use vergen::{vergen, Config, ShaKind};
-
-fn main() -> Result<(), RucteError> {
-    let mut config = Config::default();
-    *config.git_mut().sha_kind_mut() = ShaKind::Short;
-    vergen(config).expect("Unable to generate static repo info");
-    let mut ructe = Ructe::from_env()?;
-    let mut statics = ructe.statics()?;
-    statics.add_files("static")?;
-    ructe.compile_templates("templates")
-}

src/build.rs

@@ -0,0 +1,14 @@
+use anyhow::Result;
+use ructe::Ructe;
+use vergen::EmitBuilder;
+
+fn main() -> Result<()> {
+    EmitBuilder::builder()
+        .git_sha(true)
+        .emit()?;
+
+    let mut ructe = Ructe::from_env()?;
+    let mut statics = ructe.statics()?;
+    statics.add_files("static")?;
+    Ok(ructe.compile_templates("templates")?)
+}

src/statics.rs

@@ -4,7 +4,7 @@ pub struct VersionInfo<'a> {
 }
 
 pub(crate) const VERSION_INFO: VersionInfo = VersionInfo {
-    commit: env!("VERGEN_GIT_SHA_SHORT"),
+    commit: env!("VERGEN_GIT_SHA"),
     version: env!("CARGO_PKG_VERSION"),
 };