add about section in settings page

Cargo.lock

@@ -269,6 +269,17 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "built"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b99c4cdc7b2c2364182331055623bdf45254fcb679fea565c40c3c11c101889a"
+dependencies = [
+ "cargo-lock",
+ "chrono",
+ "git2",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
@@ -330,11 +341,26 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "cargo-lock"
+version = "9.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e11c675378efb449ed3ce8de78d75d0d80542fc98487c26aba28eb3b82feac72"
+dependencies = [
+ "semver",
+ "serde",
+ "toml 0.7.4",
+ "url",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cfg-expr"
@@ -1320,6 +1346,19 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "git2"
+version = "0.17.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b989d6a7ca95a362cf2cfc5ad688b3a467be1f87e480b8dad07fee8c79b0044"
+dependencies = [
+ "bitflags",
+ "libc",
+ "libgit2-sys",
+ "log",
+ "url",
+]
+
 [[package]]
 name = "glam"
 version = "0.21.3"
@@ -1961,6 +2000,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 
+[[package]]
+name = "jobserver"
+version = "0.1.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "936cfd212a0155903bcbc060e316fb6cc7cbf2e1907329391ebadc1fe0ce77c2"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "jpeg-decoder"
 version = "0.3.0"
@@ -2041,6 +2089,18 @@ version = "0.2.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b00cc1c228a6782d0f076e7b232802e0c5689d41bb5df366f2a6b6621cfdfe1"
 
+[[package]]
+name = "libgit2-sys"
+version = "0.15.2+1.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a80df2e11fb4a61f4ba2ab42dbe7f74468da143f1a75c74e11dee7c813f694fa"
+dependencies = [
+ "cc",
+ "libc",
+ "libz-sys",
+ "pkg-config",
+]
+
 [[package]]
 name = "libloading"
 version = "0.7.4"
@@ -2057,6 +2117,18 @@ version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
 
+[[package]]
+name = "libz-sys"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56ee889ecc9568871456d42f603d6a0ce59ff328d291063a45cbdf0036baf6db"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.5.6"
@@ -3277,6 +3349,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0293b4b29daaf487284529cc2f5675b8e57c61f70167ba415a463651fd6a918"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde"
 version = "1.0.163"
@@ -3335,6 +3416,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bincode",
+ "built",
  "bytes",
  "chrono",
  "clap",

Cargo.toml

@@ -36,6 +36,9 @@ html2text = "0.6.0"
 bytes = "1.4.0"
 rfd = "0.11.4"
 
+[build-dependencies]
+built = { version = "0.6.1", features = ["git2", "chrono"] }
+
 [profile.release]
 lto = true
 strip = true

build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    built::write_built_file().expect("Failed to acquire build-time information");
+}

src/gui/view/settings_view.rs

@@ -9,6 +9,7 @@ use crate::gui::{styles, troxide_widget, Message as GuiMessage, Tab};
 use caching_widget::{Caching, Message as CachingMessage};
 use database_widget::{Database, Message as DatabaseMessage};
 
+mod about_widget;
 mod caching_widget;
 mod database_widget;
 
@@ -79,6 +80,7 @@ impl SettingsTab {
             self.appearance_settings_view(),
             self.database_settings.view().map(Message::Database),
             self.caching_settings.view().map(Message::Caching),
+            about_widget::about_widget(),
         ]
         .spacing(5)
         .padding(5);

src/gui/view/settings_view/about_widget.rs

@@ -0,0 +1,52 @@
+use crate::gui::styles;
+
+use super::Message;
+use iced::{
+    widget::{column, container, text},
+    Element, Renderer,
+};
+use iced_aw::Grid;
+
+pub fn about_widget() -> Element<'static, Message, Renderer> {
+    let mut grid = Grid::with_columns(2);
+
+    grid.insert(text("Program"));
+    grid.insert(text(built_info::PKG_NAME));
+
+    grid.insert(text("Author"));
+    grid.insert(text(built_info::PKG_AUTHORS));
+
+    grid.insert(text("Version"));
+    grid.insert(text(built_info::PKG_VERSION));
+
+    if !built_info::GIT_DIRTY.unwrap_or(false) {
+        if let Some(commit_hash) = built_info::GIT_COMMIT_HASH {
+            grid.insert(text("Commit Hash"));
+            grid.insert(text(commit_hash));
+        }
+    }
+
+    grid.insert(text("Build Time"));
+    grid.insert(text(built_info::BUILT_TIME_UTC));
+
+    grid.insert(text("Rust Version    ")); // adding some space in grid since it is the longest text
+    grid.insert(text(built_info::RUSTC_VERSION));
+
+    let content = column![
+        text("About")
+            .style(styles::text_styles::purple_text_theme())
+            .size(25),
+        grid
+    ]
+    .spacing(10);
+
+    container(content)
+        .style(styles::container_styles::first_class_container_theme())
+        .width(1000)
+        .padding(5)
+        .into()
+}
+
+mod built_info {
+    include!(concat!(env!("OUT_DIR"), "/built.rs"));
+}