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composefs-backend: Check for /var symlink before creating to fix issue with bootc switch on other distros. #1735

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composefs-backend: Check for /var symlink before creating to fix issue with bootc switch on other distros. #1735

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composefs-backend: Check for /var symlink before creating to fix issu…
KyleGospo Nov 6, 2025
c94b9c7
Update crates/lib/src/bootc_composefs/state.rs
KyleGospo Nov 6, 2025
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18 changes: 11 additions & 7 deletions crates/lib/src/bootc_composefs/state.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -123,13 +123,17 @@ pub(crate) fn write_composefs_state(

let actual_var_path = root_path.join(SHARED_VAR_PATH);
create_dir_all(&actual_var_path)?;

symlink(
path_relative_to(state_path.as_std_path(), actual_var_path.as_std_path())
.context("Getting var symlink path")?,
state_path.join("var"),
)
.context("Failed to create symlink for /var")?;

let var_symlink_target = path_relative_to(state_path.as_std_path(), actual_var_path.as_std_path())
.context("Getting var symlink path")?;

let var_symlink_path = state_path.join("var");

match symlink(&var_symlink_target, &var_symlink_path) {
Ok(_) => (),
Err(e) if e.kind() == std::io::ErrorKind::AlreadyExists => (),
Err(e) => return Err(anyhow::Error::new(e).context("Failed to create symlink for /var")),
}

let ImageReference {
image: image_name,
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