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cmd/go: add loaderstate as field on mvsReqs

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This change modifies the type `mvsReqs` to have an additional field to
store the current module loader state.  The field is used to break the
dependency on the global `modload.LoaderState` variable.

This commit is part of the overall effort to eliminate global
modloader state.

Change-Id: Id6bd96bc5de68bf327f9e78a778173634e1d15d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/711122
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Michael Matloob <matloob@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Ian Alexander 2025-10-02 15:31:10 -04:00
parent ccf4192a31
commit ade9f33e1f
3 changed files with 9 additions and 8 deletions
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4
src/cmd/go/internal/modload/buildlist.go
View file

@ -1319,7 +1319,7 @@ func tidyUnprunedRoots(loaderstate *State, ctx context.Context, mainModule modul
// Construct a build list with a minimal set of roots.
// This may remove or downgrade modules in altMods.
reqs := &mvsReqs{roots: keep}
reqs := &mvsReqs{loaderstate: loaderstate, roots: keep}
min, err := mvs.Req(mainModule, rootPaths, reqs)
if err != nil {
return nil, err
@ -1445,7 +1445,7 @@ func updateUnprunedRoots(loaderstate *State, ctx context.Context, direct map[str
var roots []module.Version
for _, mainModule := range loaderstate.MainModules.Versions() {
min, err := mvs.Req(mainModule, rootPaths, &mvsReqs{roots: keep})
min, err := mvs.Req(mainModule, rootPaths, &mvsReqs{loaderstate: loaderstate, roots: keep})
if err != nil {
return rs, err
}

2
src/cmd/go/internal/modload/edit.go
View file

@ -532,7 +532,7 @@ func editRequirements(loaderstate *State, ctx context.Context, rs *Requirements,
}
}
roots, err = mvs.Req(loaderstate.MainModules.mustGetSingleMainModule(loaderstate), rootPaths, &mvsReqs{roots: roots})
roots, err = mvs.Req(loaderstate.MainModules.mustGetSingleMainModule(loaderstate), rootPaths, &mvsReqs{loaderstate: loaderstate, roots: roots})
if err != nil {
return nil, false, err
}

9
src/cmd/go/internal/modload/mvs.go
View file

@ -39,11 +39,12 @@ func cmpVersion(p string, v1, v2 string) int {
// mvsReqs implements mvs.Reqs for module semantic versions,
// with any exclusions or replacements applied internally.
type mvsReqs struct {
loaderstate *State // TODO(jitsu): Is there a way we can not depend on the entire loader state?
roots []module.Version
}
func (r *mvsReqs) Required(mod module.Version) ([]module.Version, error) {
if mod.Version == "" && LoaderState.MainModules.Contains(mod.Path) {
if mod.Version == "" && r.loaderstate.MainModules.Contains(mod.Path) {
// Use the build list as it existed when r was constructed, not the current
// global build list.
return r.roots, nil
@ -53,7 +54,7 @@ func (r *mvsReqs) Required(mod module.Version) ([]module.Version, error) {
return nil, nil
}
summary, err := goModSummary(LoaderState, mod)
summary, err := goModSummary(r.loaderstate, mod)
if err != nil {
return nil, err
}
@ -130,7 +131,7 @@ func previousVersion(loaderstate *State, ctx context.Context, m module.Version)
return module.Version{Path: m.Path, Version: "none"}, nil
}
func (*mvsReqs) Previous(m module.Version) (module.Version, error) {
func (r *mvsReqs) Previous(m module.Version) (module.Version, error) {
// TODO(golang.org/issue/38714): thread tracing context through MVS.
return previousVersion(LoaderState, context.TODO(), m)
return previousVersion(r.loaderstate, context.TODO(), m)
}