internal/proxydatasource: support stdlib requests
The proxydatasource now supports requests for stdlib packages.
Change-Id: I96e8066c498a2ad9cf518c02f416e9255d5c3954
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/238978
Reviewed-by: Jonathan Amsterdam <jba@google.com>
diff --git a/internal/proxydatasource/datasource.go b/internal/proxydatasource/datasource.go
index de8d3f2..da455a6 100644
--- a/internal/proxydatasource/datasource.go
+++ b/internal/proxydatasource/datasource.go
@@ -23,6 +23,7 @@
"golang.org/x/pkgsite/internal/licenses"
"golang.org/x/pkgsite/internal/proxy"
"golang.org/x/pkgsite/internal/source"
+ "golang.org/x/pkgsite/internal/stdlib"
"golang.org/x/pkgsite/internal/version"
)
@@ -240,8 +241,18 @@
if e, ok := ds.versionCache[key]; ok {
return e.module, e.err
}
-
- res := fetch.FetchModule(ctx, modulePath, version, ds.proxyClient, ds.sourceClient)
+ v := version
+ if modulePath == stdlib.ModulePath {
+ if version == internal.LatestVersion {
+ // fetch.FetchModule does not support the latest endpoint for the
+ // standard library, but it is useful to look at these packages when
+ // developing with the proxydatasource. A hardcoded value is used here,
+ // so that the request won't fail.
+ v = "go1.14.4"
+ }
+ v = stdlib.VersionForTag(v)
+ }
+ res := fetch.FetchModule(ctx, modulePath, v, ds.proxyClient, ds.sourceClient)
m := res.Module
ds.versionCache[key] = &versionEntry{module: m, err: err}
if res.Error != nil {
