test

src/bios.rs

@@ -122,6 +122,38 @@ impl Component for Bios {
     }
 
     fn query_adopt(&self) -> Result<Option<Adoptable>> {
+        // This would be extended with support for other operating systems later
+        if let Some(coreos_aleph) = crate::coreos::get_aleph_version(Path::new("/"))? {
+            let meta = ContentMetadata {
+                timestamp: coreos_aleph.ts,
+                version: coreos_aleph.aleph.version,
+            };
+            log::trace!("BIOS adoptable: {:?}", &meta);
+            return Ok(Some(Adoptable {
+                version: meta,
+                confident: true,
+            }));
+        } else {
+            log::trace!("No CoreOS aleph detected");
+        }
+        // Don't adopt if the system is booted with systemd-boot or
+        // systemd-stub since those will be managed with bootctl.
+        if skip_systemd_bootloaders() {
+            return Ok(None);
+        }
+        let ostree_deploy_dir = Path::new("/ostree/deploy");
+        if ostree_deploy_dir.exists() {
+            let btime = ostree_deploy_dir.metadata()?.created()?;
+            let timestamp = chrono::DateTime::from(btime);
+            let meta = ContentMetadata {
+                timestamp,
+                version: "unknown".to_string(),
+            };
+            return Ok(Some(Adoptable {
+                version: meta,
+                confident: true,
+            }));
+        }
         Ok(None)
     }
 
@@ -131,7 +163,20 @@ impl Component for Bios {
         sysroot: &openat::Dir,
         update: &ContentMetadata,
     ) -> Result<InstalledContent> {
-        todo!();
+        let meta = if let Some(meta) = self.query_adopt()? {
+            meta
+        } else {
+            anyhow::bail!("Failed to find adoptable system");
+        };
+
+        let device = self.get_device()?;
+        let device = device.trim();
+        self.run_grub_install("/", device)?;
+        Ok(InstalledContent {
+            meta: update,
+            filetree: None,
+            adopted_from: Some(meta.version),
+        })
     }
 
     fn query_update(&self, sysroot: &openat::Dir) -> Result<Option<ContentMetadata>> {