Add support for Nobara Linux (#13)

src/config.rs

@@ -835,7 +835,7 @@ impl Config {
             .linux
             .as_ref()
             .and_then(|linux| linux.rpm_ostree)
-            .unwrap_or(true)
+            .unwrap_or(false)
     }
 
     /// Should we ignore failures for this step

src/steps/os/linux.rs

@@ -44,7 +44,7 @@ impl Distribution {
             Some("alpine") => Distribution::Alpine,
             Some("centos") | Some("rhel") | Some("ol") => Distribution::CentOS,
             Some("clear-linux-os") => Distribution::ClearLinux,
-            Some("fedora") => Distribution::Fedora,
+            Some("fedora") | Some("nobara") => Distribution::Fedora,
             Some("void") => Distribution::Void,
             Some("debian") | Some("pureos") => Distribution::Debian,
             Some("arch") | Some("anarchy") | Some("manjaro-arm") | Some("garuda") | Some("artix") => Distribution::Arch,
@@ -329,6 +329,7 @@ pub fn run_deb_get(ctx: &ExecutionContext) -> Result<()> {
 
     print_separator("deb-get");
 
+    ctx.execute_elevated(&deb_get, false)?.arg("update").check_run()?;
     ctx.execute_elevated(&deb_get, false)?.arg("upgrade").check_run()?;
 
     if ctx.config().cleanup() {