install: add root_path for RootSetup

When `install to-filesystem` on ostree OS, will pass `root_path`
to bootupctl to install bootloader.

Signed-off-by: Huijing Hei <[email protected]>

Author: HuijingHei

crates/lib/src/install.rs

@@ -1073,6 +1073,7 @@ pub(crate) struct RootSetup {
     pub(crate) physical_root_path: Utf8PathBuf,
     /// Directory file descriptor for the above physical root.
     pub(crate) physical_root: Dir,
+    pub(crate) root_path: Option<Utf8PathBuf>,
     pub(crate) rootfs_uuid: Option<String>,
     /// True if we should skip finalizing
     skip_finalize: bool,
@@ -1514,7 +1515,7 @@ async fn install_with_sysroot(
             Bootloader::Grub => {
                 crate::bootloader::install_via_bootupd(
                     &rootfs.device_info,
-                    &rootfs.physical_root_path,
+                    &rootfs.root_path,
                     &state.config_opts,
                     Some(&deployment_path.as_str()),
                 )?;
@@ -1986,9 +1987,9 @@ pub(crate) async fn install_to_filesystem(
         .context("Mounting host / to {ALONGSIDE_ROOT_MOUNT}")?;
     }
 
+    let root_path = &fsopts.root_path;
     // Check that the target is a directory
     {
-        let root_path = &fsopts.root_path;
         let st = root_path
             .symlink_metadata()
             .with_context(|| format!("Querying target filesystem {root_path}"))?;
@@ -1999,7 +2000,6 @@ pub(crate) async fn install_to_filesystem(
 
     // Check to see if this happens to be the real host root
     if !fsopts.acknowledge_destructive {
-        let root_path = &fsopts.root_path;
         let rootfs_fd = Dir::open_ambient_dir(root_path, cap_std::ambient_authority())
             .with_context(|| format!("Opening target root directory {root_path}"))?;
         warn_on_host_root(&rootfs_fd)?;
@@ -2019,7 +2019,6 @@ pub(crate) async fn install_to_filesystem(
 
     // Get a file descriptor for the root path
     let rootfs_fd = {
-        let root_path = &fsopts.root_path;
         let rootfs_fd = Dir::open_ambient_dir(&fsopts.root_path, cap_std::ambient_authority())
             .with_context(|| format!("Opening target root directory {root_path}"))?;
 
@@ -2175,6 +2174,7 @@ pub(crate) async fn install_to_filesystem(
         device_info,
         physical_root_path: fsopts.root_path,
         physical_root: rootfs_fd,
+        root_path: Some(root_path.clone()),
         rootfs_uuid: inspect.uuid.clone(),
         boot,
         kargs,

crates/lib/src/install/baseline.rs

@@ -467,6 +467,7 @@ pub(crate) fn install_create_rootfs(
         device_info,
         physical_root_path,
         physical_root,
+        root_path: None,
         rootfs_uuid: Some(root_uuid.to_string()),
         boot,
         kargs,