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container: use absolute for pathname
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This is simultaneously more efficient and less error-prone. This change caused minor API changes in multiple other packages.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2025-08-11 02:52:32 +09:00
parent 41ac2be965
commit e99d7affb0
37 changed files with 839 additions and 706 deletions
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12
container/autoetc.go
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@@ -10,9 +10,9 @@ func init() { gob.Register(new(AutoEtcOp)) }
// Etc appends an [Op] that expands host /etc into a toplevel symlink mirror with /etc semantics.
// This is not a generic setup op. It is implemented here to reduce ipc overhead.
func (f *Ops) Etc(host, prefix string) *Ops {
func (f *Ops) Etc(host *Absolute, prefix string) *Ops {
e := &AutoEtcOp{prefix}
f.Mkdir(FHSEtc, 0755)
f.Mkdir(AbsFHSEtc, 0755)
f.Bind(host, e.hostPath(), 0)
*f = append(*f, e)
return f
@@ -28,7 +28,7 @@ func (e *AutoEtcOp) apply(*Params) error {
if err := os.MkdirAll(target, 0755); err != nil {
return wrapErrSelf(err)
}
if d, err := os.ReadDir(toSysroot(e.hostPath())); err != nil {
if d, err := os.ReadDir(toSysroot(e.hostPath().String())); err != nil {
return wrapErrSelf(err)
} else {
for _, ent := range d {
@@ -54,8 +54,10 @@ func (e *AutoEtcOp) apply(*Params) error {
return nil
}
func (e *AutoEtcOp) hostPath() string { return FHSEtc + e.hostRel() }
func (e *AutoEtcOp) hostRel() string { return ".host/" + e.Prefix }
// bypasses abs check, use with caution!
func (e *AutoEtcOp) hostPath() *Absolute { return &Absolute{FHSEtc + e.hostRel()} }
func (e *AutoEtcOp) hostRel() string { return ".host/" + e.Prefix }
func (e *AutoEtcOp) Is(op Op) bool {
ve, ok := op.(*AutoEtcOp)