mirror of
https://github.com/golang/go
synced 2024-10-06 16:10:03 +00:00
cmd/go: restore @latest behavior and support @upgrade in 'go get'
'go get path@latest' may now downgrade a module required at a pre-release or pseudo-version newer than the latest released version. This restores the 1.12 behavior and the ability to easily roll back from a temporary development version. 'go get path@upgrade' is like @latest but will not downgrade. If no version suffix is specified ('go get path'), @upgrade is implied. Fixes #32846 Change-Id: Ibec0628292ab1c484716a5add0950d7a7ee45f47 Reviewed-on: https://go-review.googlesource.com/c/go/+/184440 Run-TryBot: Jay Conrod <jayconrod@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com>
This commit is contained in:
parent
b412fde53a
commit
a3a0cc2e1a
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@ -586,12 +586,14 @@
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// depending on it as needed.
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//
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// The version suffix @latest explicitly requests the latest minor release of the
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// given path. The suffix @patch requests the latest patch release: if the path
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// is already in the build list, the selected version will have the same minor
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// version. If the path is not already in the build list, @patch is equivalent
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// to @latest. Neither @latest nor @patch will cause 'go get' to downgrade a module
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// in the build list if it is required at a newer pre-release version that is
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// newer than the latest released version.
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// module named by the given path. The suffix @upgrade is like @latest but
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// will not downgrade a module if it is already required at a revision or
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// pre-release version newer than the latest released version. The suffix
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// @patch requests the latest patch release: the latest released version
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// with the same major and minor version numbers as the currently required
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// version. Like @upgrade, @patch will not downgrade a module already required
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// at a newer version. If the path is not already required, @upgrade and @patch
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// are equivalent to @latest.
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//
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// Although get defaults to using the latest version of the module containing
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// a named package, it does not use the latest version of that module's
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@ -59,12 +59,14 @@ dependency should be removed entirely, downgrading or removing modules
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depending on it as needed.
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The version suffix @latest explicitly requests the latest minor release of the
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given path. The suffix @patch requests the latest patch release: if the path
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is already in the build list, the selected version will have the same minor
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version. If the path is not already in the build list, @patch is equivalent
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to @latest. Neither @latest nor @patch will cause 'go get' to downgrade a module
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in the build list if it is required at a newer pre-release version that is
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newer than the latest released version.
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module named by the given path. The suffix @upgrade is like @latest but
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will not downgrade a module if it is already required at a revision or
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pre-release version newer than the latest released version. The suffix
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@patch requests the latest patch release: the latest released version
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with the same major and minor version numbers as the currently required
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version. Like @upgrade, @patch will not downgrade a module already required
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at a newer version. If the path is not already required, @upgrade and @patch
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are equivalent to @latest.
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Although get defaults to using the latest version of the module containing
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a named package, it does not use the latest version of that module's
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@ -178,7 +180,7 @@ func (v *upgradeFlag) Set(s string) error {
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s = ""
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}
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if s == "true" {
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s = "latest"
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s = "upgrade"
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}
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*v = upgradeFlag(s)
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return nil
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@ -202,8 +204,9 @@ type getArg struct {
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// if there is no "@"). path specifies the modules or packages to get.
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path string
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// vers is the part of the argument after "@" (or "" if there is no "@").
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// vers specifies the module version to get.
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// vers is the part of the argument after "@" or an implied
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// "upgrade" or "patch" if there is no "@". vers specifies the
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// module version to get.
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vers string
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}
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@ -249,7 +252,7 @@ func runGet(cmd *base.Command, args []string) {
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}
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switch getU {
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case "", "latest", "patch":
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case "", "upgrade", "patch":
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// ok
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default:
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base.Fatalf("go get: unknown upgrade flag -u=%s", getU)
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@ -283,11 +286,11 @@ func runGet(cmd *base.Command, args []string) {
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// Parse command-line arguments and report errors. The command-line
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// arguments are of the form path@version or simply path, with implicit
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// @latest. path@none is "downgrade away".
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// @upgrade. path@none is "downgrade away".
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var gets []getArg
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var queries []*query
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for _, arg := range search.CleanPatterns(args) {
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// Argument is module query path@vers, or else path with implicit @latest.
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// Argument is path or path@vers.
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path := arg
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vers := ""
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if i := strings.Index(arg, "@"); i >= 0 {
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@ -298,10 +301,14 @@ func runGet(cmd *base.Command, args []string) {
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continue
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}
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// If the user runs 'go get -u=patch some/module', update some/module to a
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// patch release, not a minor version.
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if vers == "" && getU != "" {
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vers = string(getU)
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// If no version suffix is specified, assume @upgrade.
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// If -u=patch was specified, assume @patch instead.
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if vers == "" {
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if getU != "" {
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vers = string(getU)
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} else {
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vers = "upgrade"
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}
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}
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gets = append(gets, getArg{raw: arg, path: path, vers: vers})
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@ -358,7 +365,7 @@ func runGet(cmd *base.Command, args []string) {
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// The argument is a package path.
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if pkgs := modload.TargetPackages(path); len(pkgs) != 0 {
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// The path is in the main module. Nothing to query.
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if vers != "" && vers != "latest" && vers != "patch" {
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if vers != "upgrade" && vers != "patch" {
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base.Errorf("go get %s: can't request explicit version of path in main module", arg)
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}
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continue
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@ -376,8 +383,8 @@ func runGet(cmd *base.Command, args []string) {
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continue
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}
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// If we're querying "latest" or "patch", we need to know the current
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// version of the module. For "latest", we want to avoid accidentally
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// If we're querying "upgrade" or "patch", we need to know the current
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// version of the module. For "upgrade", we want to avoid accidentally
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// downgrading from a newer prerelease. For "patch", we need to query
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// the correct minor version.
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// Here, we check if "path" is the name of a module in the build list
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@ -736,10 +743,6 @@ func getQuery(path, vers string, prevM module.Version, forceModulePath bool) (mo
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base.Fatalf("go get: internal error: prevM may be set if and only if forceModulePath is set")
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}
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if vers == "" || vers == "patch" && prevM.Version == "" {
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vers = "latest"
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}
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if forceModulePath || !strings.Contains(path, "...") {
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if path == modload.Target.Path {
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if vers != "latest" {
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@ -893,9 +896,10 @@ func (u *upgrader) Upgrade(m module.Version) (module.Version, error) {
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// which may return a pseudoversion for the latest commit.
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// Query "latest" returns the newest tagged version or the newest
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// prerelease version if there are no non-prereleases, or repo.Latest
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// if there aren't any tagged versions. Since we're providing the previous
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// version, Query will confirm the latest version is actually newer
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// and will return the current version if not.
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// if there aren't any tagged versions.
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// If we're querying "upgrade" or "patch", Query will compare the current
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// version against the chosen version and will return the current version
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// if it is newer.
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info, err := modload.Query(m.Path, string(getU), m.Version, modload.Allowed)
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if err != nil {
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// Report error but return m, to let version selection continue.
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@ -79,7 +79,7 @@ func addUpdate(m *modinfo.ModulePublic) {
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return
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}
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if info, err := Query(m.Path, "latest", m.Version, Allowed); err == nil && semver.Compare(info.Version, m.Version) > 0 {
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if info, err := Query(m.Path, "upgrade", m.Version, Allowed); err == nil && semver.Compare(info.Version, m.Version) > 0 {
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m.Update = &modinfo.ModulePublic{
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Path: m.Path,
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Version: info.Version,
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@ -28,9 +28,10 @@ import (
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// tagged version, with non-prereleases preferred over prereleases.
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// If there are no tagged versions in the repo, latest returns the most
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// recent commit.
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// - the literal string "upgrade", equivalent to "latest" except that if
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// current is a newer version, current will be returned (see below).
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// - the literal string "patch", denoting the latest available tagged version
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// with the same major and minor number as current. If current is "",
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// "patch" is equivalent to "latest".
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// with the same major and minor number as current (see below).
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// - v1, denoting the latest available tagged version v1.x.x.
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// - v1.2, denoting the latest available tagged version v1.2.x.
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// - v1.2.3, a semantic version string denoting that tagged version.
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@ -39,11 +40,12 @@ import (
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// with non-prereleases preferred over prereleases.
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// - a repository commit identifier or tag, denoting that commit.
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//
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// current is optional, denoting the current version of the module.
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// If query is "latest" or "patch", current will be returned if it is a newer
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// semantic version or if it is a chronologically later pseudoversion. This
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// prevents accidental downgrades from newer prerelease or development
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// versions.
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// current denotes the current version of the module; it may be "" if the
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// current version is unknown or should not be considered. If query is
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// "upgrade" or "patch", current will be returned if it is a newer
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// semantic version or a chronologically later pseudo-version than the
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// version that would otherwise be chosen. This prevents accidental downgrades
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// from newer pre-release or development versions.
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//
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// If the allowed function is non-nil, Query excludes any versions for which
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// allowed returns false.
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@ -81,6 +83,10 @@ func queryProxy(proxy, path, query, current string, allowed func(module.Version)
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ok = allowed
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mayUseLatest = true
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case query == "upgrade":
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ok = allowed
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mayUseLatest = true
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case query == "patch":
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if current == "" {
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ok = allowed
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@ -202,9 +208,9 @@ func queryProxy(proxy, path, query, current string, allowed func(module.Version)
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return nil, err
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}
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// For "latest" and "patch", make sure we don't accidentally downgrade
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// For "upgrade" and "patch", make sure we don't accidentally downgrade
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// from a newer prerelease or from a chronologically newer pseudoversion.
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if current != "" && (query == "latest" || query == "patch") {
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if current != "" && (query == "upgrade" || query == "patch") {
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currentTime, err := modfetch.PseudoVersionTime(current)
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if semver.Compare(rev.Version, current) < 0 || (err == nil && rev.Time.Before(currentTime)) {
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return repo.Stat(current)
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8
src/cmd/go/testdata/script/mod_get_main.txt
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8
src/cmd/go/testdata/script/mod_get_main.txt
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@ -4,13 +4,19 @@ env GO111MODULE=on
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# @patch and @latest within the main module refer to the current version.
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# The main module won't be upgraded, but missing dependencies will be added.
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cp go.mod.orig go.mod
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go get -d rsc.io/x@latest
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go get -d rsc.io/x
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grep 'rsc.io/quote v1.5.2' go.mod
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go get -d rsc.io/x@upgrade
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grep 'rsc.io/quote v1.5.2' go.mod
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cp go.mod.orig go.mod
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go get -d rsc.io/x@patch
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grep 'rsc.io/quote v1.5.2' go.mod
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cp go.mod.orig go.mod
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# The main module cannot be updated to @latest, which is a specific version.
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! go get -d rsc.io/x@latest
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stderr '^go get rsc.io/x@latest: can.t request explicit version of path in main module$'
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# The main module cannot be updated to a specific version.
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! go get rsc.io/x@v0.1.0
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stderr '^go get rsc.io/x@v0.1.0: can.t request explicit version of path in main module$'
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@ -10,11 +10,11 @@ grep 'require rsc.io/quote' go.mod
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cp go.mod.orig go.mod
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! go get -d rsc.io/quote/x...
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stderr 'go get rsc.io/quote/x...: module rsc.io/quote@latest \(v1.5.2\) found, but does not contain packages matching rsc.io/quote/x...'
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stderr 'go get rsc.io/quote/x...: module rsc.io/quote@upgrade \(v1.5.2\) found, but does not contain packages matching rsc.io/quote/x...'
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! grep 'require rsc.io/quote' go.mod
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! go get -d rsc.io/quote/x/...
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stderr 'go get rsc.io/quote/x/...: module rsc.io/quote@latest \(v1.5.2\) found, but does not contain packages matching rsc.io/quote/x/...'
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stderr 'go get rsc.io/quote/x/...: module rsc.io/quote@upgrade \(v1.5.2\) found, but does not contain packages matching rsc.io/quote/x/...'
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! grep 'require rsc.io/quote' go.mod
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# If a pattern matches no packages within a module, the module should not
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2
src/cmd/go/testdata/script/mod_get_svn.txt
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2
src/cmd/go/testdata/script/mod_get_svn.txt
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@ -17,7 +17,7 @@ stderr 'ReadZip not implemented for svn'
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# reasonable message instead of a panic.
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! go get -d vcs-test.golang.org/svn/nonexistent.svn
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! stderr panic
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stderr 'go get vcs-test.golang.org/svn/nonexistent.svn: no matching versions for query "latest"'
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stderr 'go get vcs-test.golang.org/svn/nonexistent.svn: no matching versions for query "upgrade"'
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-- go.mod --
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module golang/go/issues/28943/main
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@ -9,18 +9,33 @@ env GO111MODULE=on
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# The v0.1.1 pseudo-version is semantically higher than the latest tag.
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# The v0.0.0 pseudo-version is chronologically newer.
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# 'get -u' should not downgrade to the (lower) tagged version.
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# Start at v0.1.1-0.20190429073117-b5426c86b553
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go get -d example.com/pseudoupgrade@b5426c8
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go list -m -u all
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stdout '^example.com/pseudoupgrade v0.1.1-0.20190429073117-b5426c86b553$'
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# 'get -u' should not downgrade to the (lower) tagged version.
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go get -d -u
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go list -m -u all
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stdout '^example.com/pseudoupgrade v0.1.1-0.20190429073117-b5426c86b553$'
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# 'get example.com/pseudoupgrade@latest' should not downgrade to
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# the (lower) tagged version.
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go get -d example.com/pseudoupgrade@latest
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# 'get example.com/pseudoupgrade@upgrade' should not downgrade.
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go get -d example.com/pseudoupgrade@upgrade
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go list -m all
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stdout '^example.com/pseudoupgrade v0.1.1-0.20190429073117-b5426c86b553$'
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# 'get example.com/pseudoupgrade' should not downgrade.
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# This is equivalent to 'get example.com/pseudoupgrade@upgrade'.
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go get -d example.com/pseudoupgrade
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go list -m all
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stdout '^example.com/pseudoupgrade v0.1.1-0.20190429073117-b5426c86b553$'
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# 'get example.com/pseudoupgrade@latest' should downgrade.
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# @latest should not consider the current version.
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go get -d example.com/pseudoupgrade@latest
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go list -m all
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stdout '^example.com/pseudoupgrade v0.1.0$'
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# We should observe the same behavior with the newer pseudo-version.
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go get -d example.com/pseudoupgrade@v0.0.0-20190430073000-30950c05d534
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@ -29,12 +44,21 @@ go get -d -u
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go list -m -u all
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stdout '^example.com/pseudoupgrade v0.0.0-20190430073000-30950c05d534$'
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# 'get example.com/pseudoupgrade@latest' should not downgrade to the
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# chronologically older tagged version.
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go get -d example.com/pseudoupgrade@latest
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# 'get example.com/pseudoupgrade@upgrade should not downgrade.
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go get -d example.com/pseudoupgrade@upgrade
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go list -m -u all
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stdout '^example.com/pseudoupgrade v0.0.0-20190430073000-30950c05d534$'
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# 'get example.com/pseudoupgrade' should not downgrade.
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go get -d example.com/pseudoupgrade
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go list -m -u all
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stdout '^example.com/pseudoupgrade v0.0.0-20190430073000-30950c05d534$'
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# 'get example.com/pseudoupgrade@latest' should downgrade.
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go get -d example.com/pseudoupgrade@latest
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go list -m -u all
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stdout '^example.com/pseudoupgrade v0.1.0$'
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-- go.mod --
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module x
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