doc: update README, documentation

README.md

@@ -24,8 +24,10 @@ Options:
 Commands and workflows include:
 ```
 Commands:
-  pull    Get a source package from the archive or git
+  pull   Pull a source package from the archive or git
   chlog  Auto-generate changelog entry, editing it, committing it afterwards
+  build  Build the source package (into a .dsc)
+  deb    Build the source package into binary package (.deb)
   help   Print this message or the help of the given subcommand(s)
 ```
 
@@ -96,7 +98,7 @@ Missing features:
   - [ ] Three build modes:
     - [ ] Build locally (discouraged)
     - [x] Build using sbuild+unshare, with binary emulation (default)
-    - [ ] Cross-compilation
+    - [x] Cross-compilation
   - [ ] Async build
 - [ ] `pkh status`
   - [ ] Show build status

src/main.rs

@@ -47,10 +47,10 @@ fn main() {
                 .arg(arg!(--backport "This changelog is for a backport entry").required(false))
                 .arg(arg!(-v --version <version> "Target version").required(false)),
         )
-        .subcommand(Command::new("build").about("Build the source package"))
+        .subcommand(Command::new("build").about("Build the source package (into a .dsc)"))
         .subcommand(
             Command::new("deb")
-                .about("Build the binary package")
+                .about("Build the source package into binary package (.deb)")
                 .arg(arg!(-s --series <series> "Target distribution series").required(false))
                 .arg(arg!(-a --arch <arch> "Target architecture").required(false))
                 .arg(arg!(--cross "Cross-compile for target architecture (instead of qemu-binfmt)")