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Rename PATCH Race-Free: header to Atomic:.

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Neither of these names is self-explanatory, and it is better to have
fewer distinct identifiers for the same concept.
This commit is contained in:
Catherine
2025-12-04 16:50:35 +00:00
parent 1c017020c1
commit f59830ae20
3 changed files with 10 additions and 10 deletions
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14
src/pages.go
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@@ -537,19 +537,19 @@ func patchPage(w http.ResponseWriter, r *http.Request) error {
// on the backend in use and its configuration, but for applications where a mostly-atomic
// compare-and-swap operation is good enough (e.g. generating page previews) we don't want
// to prevent the use of partial updates.
wantRaceFree := r.Header.Get("Race-Free")
wantAtomicCAS := r.Header.Get("Atomic")
hasAtomicCAS := backend.HasAtomicCAS(r.Context())
switch {
case wantRaceFree == "yes" && hasAtomicCAS || wantRaceFree == "no":
case wantAtomicCAS == "yes" && hasAtomicCAS || wantAtomicCAS == "no":
// all good
case wantRaceFree == "yes":
http.Error(w, "race free partial updates unsupported", http.StatusPreconditionFailed)
case wantAtomicCAS == "yes":
http.Error(w, "atomic partial updates unsupported", http.StatusPreconditionFailed)
return nil
case wantRaceFree == "":
http.Error(w, "must provide \"Race-Free: yes|no\" header", http.StatusPreconditionRequired)
case wantAtomicCAS == "":
http.Error(w, "must provide \"Atomic: yes|no\" header", http.StatusPreconditionRequired)
return nil
default:
http.Error(w, "malformed Race-Free: header", http.StatusBadRequest)
http.Error(w, "malformed Atomic: header", http.StatusBadRequest)
return nil
}