display hagrid version and commit in footer of all templates

Cargo.toml

@@ -2,6 +2,7 @@
 name = "hagrid"
 version = "0.1.0"
 authors = ["Kai Michaelis <kai@sequoia-pgp.org>"]
+build = "build.rs"
 
 [dependencies]
 rocket = "0"
@@ -34,3 +35,6 @@ features = ["file-transport", "sendmail-transport"]
 version = "0"
 default-features = false
 features = ["handlebars_templates"]
+
+[build-dependencies]
+vergen = "3"

src/web/mod.rs

@@ -36,17 +36,23 @@ mod templates {
         pub verified: bool,
         pub userid: String,
         pub fpr: String,
+        pub commit: String,
+        pub version: String,
     }
 
     #[derive(Serialize)]
     pub struct Delete {
         pub token: String,
         pub fpr: String,
+        pub commit: String,
+        pub version: String,
     }
 
     #[derive(Serialize)]
     pub struct Confirm {
         pub deleted: bool,
+        pub commit: String,
+        pub version: String,
     }
 }
 
@@ -217,6 +223,8 @@ fn verify(
                 verified: true,
                 userid: userid.to_string(),
                 fpr: fpr.to_string(),
+                version: env!("VERGEN_SEMVER").to_string(),
+                commit: env!("VERGEN_SHA_SHORT").to_string(),
             };
 
             Ok(Template::render("verify", context))
@@ -226,6 +234,8 @@ fn verify(
                 verified: false,
                 userid: "".into(),
                 fpr: "".into(),
+                version: env!("VERGEN_SEMVER").to_string(),
+                commit: env!("VERGEN_SHA_SHORT").to_string(),
             };
 
             Ok(Template::render("verify", context))
@@ -255,6 +265,8 @@ fn delete(
             let context = templates::Delete {
                 fpr: fpr.to_string(),
                 token: token.clone(),
+                version: env!("VERGEN_SEMVER").to_string(),
+                commit: env!("VERGEN_SHA_SHORT").to_string(),
             };
 
             for uid in uids {
@@ -278,12 +290,20 @@ fn confirm(
 ) -> result::Result<Template, Custom<String>> {
     match db.confirm_deletion(&token) {
         Ok(true) => {
-            let context = templates::Confirm { deleted: true };
+            let context = templates::Confirm {
+                deleted: true,
+                version: env!("VERGEN_SEMVER").to_string(),
+                commit: env!("VERGEN_SHA_SHORT").to_string(),
+            };
 
             Ok(Template::render("confirm", context))
         }
         Ok(false) | Err(_) => {
-            let context = templates::Confirm { deleted: false };
+            let context = templates::Confirm {
+                deleted: false,
+                version: env!("VERGEN_SEMVER").to_string(),
+                commit: env!("VERGEN_SHA_SHORT").to_string(),
+            };
 
             Ok(Template::render("confirm", context))
         }

src/web/upload.rs

@@ -27,6 +27,8 @@ mod template {
     #[derive(Serialize)]
     pub struct Verify {
         pub tokens: Vec<Token>,
+        pub commit: String,
+        pub version: String,
     }
 }
 
@@ -170,7 +172,11 @@ where
                             })?;
                     }
 
-                    let context = template::Verify { tokens: tokens };
+                    let context = template::Verify {
+                        tokens: tokens,
+                        version: env!("VERGEN_SEMVER").to_string(),
+                        commit: env!("VERGEN_SHA_SHORT").to_string(),
+                    };
 
                     Ok(Template::render("upload", context))
                 }

templates/layout.html.hbs

@@ -53,5 +53,10 @@
         <div class="col"></div>
       </div>
     </div>
+
+    <div class="text-center py-3">
+      Hagrid v{{ version }} build from {{ commit }}
+    </div>
+  </footer>
   </body>
 </html>