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authorMichael Matloob <matloob@golang.org>2025-07-29 17:12:24 -0400
committerCarlos Amedee <carlos@golang.org>2025-08-20 12:47:59 -0700
commitc72fcab6d60d4907984a619d5d69bb9e7e18077a (patch)
tree5744aebe5d117953ba6417c2de4754162fad2da4
parent6e676ab2b809d46623acb5988248d95d1eb7939c (diff)
downloadgo-c72fcab6d60d4907984a619d5d69bb9e7e18077a.tar.xz
[release-branch.go1.25] cmd/go/internal/gover: fix ModIsPrerelease for toolchain versions
We forgot to call the IsPrerelease function on FromToolchain(vers) rather than on vers itself. IsPrerelase expects a version without the "go" prefix. See the corresponding code in ModIsValid and ModIsPrefix that call FromToolchain before passing the versions to IsValid and IsLang respectively. Fixes #74822 Change-Id: I3cf055e1348e6a9dc0334e414f06fe85eaf78024 Reviewed-on: https://go-review.googlesource.com/c/go/+/691655 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Auto-Submit: Michael Matloob <matloob@golang.org> Reviewed-by: Michael Matloob <matloob@google.com> Reviewed-by: Michael Pratt <mpratt@google.com> (cherry picked from commit 69338a335ada5882b888fb7eabe0ad6f0e12c986) Reviewed-on: https://go-review.googlesource.com/c/go/+/691958
-rw-r--r--src/cmd/go/internal/gover/mod.go3
-rw-r--r--src/cmd/go/testdata/script/mod_get_toolchain.txt10
2 files changed, 9 insertions, 4 deletions
diff --git a/src/cmd/go/internal/gover/mod.go b/src/cmd/go/internal/gover/mod.go
index d3cc17068d..3ac5ae8824 100644
--- a/src/cmd/go/internal/gover/mod.go
+++ b/src/cmd/go/internal/gover/mod.go
@@ -109,6 +109,9 @@ func ModIsPrefix(path, vers string) bool {
// The caller is assumed to have checked that ModIsValid(path, vers) is true.
func ModIsPrerelease(path, vers string) bool {
if IsToolchain(path) {
+ if path == "toolchain" {
+ return IsPrerelease(FromToolchain(vers))
+ }
return IsPrerelease(vers)
}
return semver.Prerelease(vers) != ""
diff --git a/src/cmd/go/testdata/script/mod_get_toolchain.txt b/src/cmd/go/testdata/script/mod_get_toolchain.txt
index 87e84ae15e..83cef4a0fd 100644
--- a/src/cmd/go/testdata/script/mod_get_toolchain.txt
+++ b/src/cmd/go/testdata/script/mod_get_toolchain.txt
@@ -94,12 +94,14 @@ stderr '^go: added toolchain go1.24rc1$'
grep 'go 1.22.9' go.mod # no longer implied
grep 'toolchain go1.24rc1' go.mod
-# go get toolchain@latest finds go1.999testmod.
+# go get toolchain@latest finds go1.23.9.
cp go.mod.orig go.mod
go get toolchain@latest
-stderr '^go: added toolchain go1.999testmod$'
+stderr '^go: added toolchain go1.23.9$'
grep 'go 1.21' go.mod
-grep 'toolchain go1.999testmod' go.mod
+grep 'toolchain go1.23.9' go.mod
+
+
# Bug fixes.
@@ -115,7 +117,7 @@ stderr '^go: upgraded go 1.19 => 1.21.0'
# go get toolchain@1.24rc1 is OK too.
go get toolchain@1.24rc1
-stderr '^go: downgraded toolchain go1.999testmod => go1.24rc1$'
+stderr '^go: upgraded toolchain go1.23.9 => go1.24rc1$'
# go get go@1.21 should work if we are the Go 1.21 language version,
# even though there's no toolchain for it.