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defaults: use user-writable data root on darwin #4842

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defaults: use user-writable data root on darwin #4842

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defaults: use user-writable data root on darwin
Apr 9, 2026
a5cdb0d
defaults/darwin: align paths with root and XDG conventions
66Ton99 Apr 10, 2026
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10 changes: 9 additions & 1 deletion pkg/defaults/defaults_darwin.go
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@AkihiroSuda AkihiroSuda Apr 10, 2026

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All the paths should be handled consistently, not just DataRoot

@66Ton99 66Ton99 Apr 10, 2026

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Fixed in a5cdb0d. I applied the same root/non-root + XDG convention consistently to DataRoot, CNINetConfPath, CNIRuntimeDir, NerdctlTOML, HostsDirs, and CDISpecDirs.

@AkihiroSuda AkihiroSuda Apr 10, 2026

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Probably (most of) defaults_darwin.go and defaults_freebsd.go can be consolidated into a single defaults_unix.go

Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,12 @@

package defaults

import gocni "github.com/containerd/go-cni"
import (
"os"
"path/filepath"

gocni "github.com/containerd/go-cni"
)

const (
AppArmorProfileName = ""
Expand All @@ -41,6 +46,9 @@ func CNINetConfPath() string {
}

func DataRoot() string {
if home, err := os.UserHomeDir(); err == nil && home != "" {
return filepath.Join(home, ".local", "share", "nerdctl")

@AkihiroSuda AkihiroSuda Apr 10, 2026

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$XDG_DATA_HOME should be respected

@66Ton99 66Ton99 Apr 10, 2026

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Fixed in a5cdb0d. For non-root on Darwin, DataRoot now respects XDG_DATA_HOME (fallback: ~/.local/share).

@AkihiroSuda AkihiroSuda Apr 10, 2026

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The convention should be consistent with nerdbox.
Let me cc @containerd/nerdbox-committers @containerd/nerdbox-reviewers

@66Ton99 66Ton99 Apr 10, 2026

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Addressed in a5cdb0d. Updated Darwin defaults to follow the same user-writable/XDG convention consistently across paths for non-root, while keeping system defaults for root.

}
return "/var/lib/nerdctl"

@AkihiroSuda AkihiroSuda Apr 10, 2026

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This should remain the default when EUID is 0

@66Ton99 66Ton99 Apr 10, 2026

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Fixed in a5cdb0d. DataRoot now keeps /var/lib/nerdctl when EUID == 0.

}

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