Disable team management from v7 on (#1257)

Author: fkling

cmd/src/teams.go

@@ -1,8 +1,13 @@
 package main
 
 import (
+	"context"
 	"flag"
 	"fmt"
+	"os"
+
+	"github.com/sourcegraph/src-cli/internal/api"
+	"github.com/sourcegraph/src-cli/internal/features"
 )
 
 var teamsCommands commander
@@ -27,6 +32,9 @@ Use "src teams [command] -h" for more information about a command.
 
 	flagSet := flag.NewFlagSet("teams", flag.ExitOnError)
 	handler := func(args []string) error {
+		if err := checkTeamsAvailability(); err != nil {
+			return err
+		}
 		teamsCommands.run(flagSet, "src teams", usage, args)
 		return nil
 	}
@@ -42,6 +50,27 @@ Use "src teams [command] -h" for more information about a command.
 	})
 }
 
+// checkTeamsAvailability verifies that the connected Sourcegraph instance
+// supports teams. Teams were removed in Sourcegraph 7.0.
+func checkTeamsAvailability() error {
+	client := cfg.apiClient(api.NewFlags(flag.NewFlagSet("", flag.ContinueOnError)), os.Stderr)
+
+	version, err := api.GetSourcegraphVersion(context.Background(), client)
+	if err != nil || version == "" {
+		// If we can't determine the version, let the command proceed.
+		return nil
+	}
+
+	var ffs features.FeatureFlags
+	if err := ffs.SetFromVersion(version, true); err != nil {
+		return nil
+	}
+	if ffs.Sourcegraph70 {
+		return fmt.Errorf("the 'src teams' commands are not available for Sourcegraph versions 7.0 and later (detected version: %s). Teams have been removed", version)
+	}
+	return nil
+}
+
 const teamFragment = `
 fragment TeamFields on Team {
     id

internal/api/version.go

@@ -0,0 +1,17 @@
+package api
+
+import "context"
+
+// GetSourcegraphVersion queries the Sourcegraph instance for its product version.
+func GetSourcegraphVersion(ctx context.Context, client Client) (string, error) {
+	var result struct {
+		Site struct {
+			ProductVersion string
+		}
+	}
+	ok, err := client.NewQuery(`query { site { productVersion } }`).Do(ctx, &result)
+	if err != nil || !ok {
+		return "", err
+	}
+	return result.Site.ProductVersion, nil
+}

internal/batches/features.go

@@ -1,48 +1,6 @@
 package batches
 
-import (
-	"fmt"
-	"log"
+import "github.com/sourcegraph/src-cli/internal/features"
 
-	"github.com/sourcegraph/sourcegraph/lib/api"
-	"github.com/sourcegraph/sourcegraph/lib/errors"
-)
-
-// FeatureFlags represent features that are only available on certain
-// Sourcegraph versions and we therefore have to detect at runtime.
-type FeatureFlags struct {
-	Sourcegraph40 bool
-	BinaryDiffs   bool
-}
-
-func (ff *FeatureFlags) SetFromVersion(version string, skipErrors bool) error {
-	for _, feature := range []struct {
-		flag       *bool
-		constraint string
-		minDate    string
-	}{
-		// NOTE: It's necessary to include a "-0" prerelease suffix on each constraint so that
-		// prereleases of future versions are still considered to satisfy the constraint.
-		//
-		// For example, the version "3.35.1-rc.3" is not considered to satisfy the constraint
-		// ">= 3.23.0". However, the same version IS considered to satisfy the constraint
-		// "3.23.0-0". See
-		// https://github.com/Masterminds/semver#working-with-prerelease-versions for more.
-		// Example usage:
-		// {&ff.FlagName, ">= 3.23.0-0", "2020-11-24"},
-		{&ff.Sourcegraph40, ">= 4.0.0-0", "2022-08-24"},
-		{&ff.BinaryDiffs, ">= 4.3.0-0", "2022-11-29"},
-	} {
-		value, err := api.CheckSourcegraphVersion(version, feature.constraint, feature.minDate)
-		if err != nil {
-			if skipErrors {
-				log.Printf("failed to check version returned by Sourcegraph: %s. Assuming no feature flags.", version)
-			} else {
-				return errors.Wrap(err, fmt.Sprintf("failed to check version returned by Sourcegraph: %s", version))
-			}
-		}
-		*feature.flag = value
-	}
-
-	return nil
-}
+// FeatureFlags is an alias for features.FeatureFlags for backwards compatibility.
+type FeatureFlags = features.FeatureFlags

internal/features/features.go

@@ -0,0 +1,50 @@
+package features
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/sourcegraph/sourcegraph/lib/api"
+	"github.com/sourcegraph/sourcegraph/lib/errors"
+)
+
+// FeatureFlags represent features that are only available on certain
+// Sourcegraph versions and we therefore have to detect at runtime.
+type FeatureFlags struct {
+	Sourcegraph40 bool
+	BinaryDiffs   bool
+	Sourcegraph70 bool
+}
+
+func (ff *FeatureFlags) SetFromVersion(version string, skipErrors bool) error {
+	for _, feature := range []struct {
+		flag       *bool
+		constraint string
+		minDate    string
+	}{
+		// NOTE: It's necessary to include a "-0" prerelease suffix on each constraint so that
+		// prereleases of future versions are still considered to satisfy the constraint.
+		//
+		// For example, the version "3.35.1-rc.3" is not considered to satisfy the constraint
+		// ">= 3.23.0". However, the same version IS considered to satisfy the constraint
+		// "3.23.0-0". See
+		// https://github.com/Masterminds/semver#working-with-prerelease-versions for more.
+		// Example usage:
+		// {&ff.FlagName, ">= 3.23.0-0", "2020-11-24"},
+		{&ff.Sourcegraph40, ">= 4.0.0-0", "2022-08-24"},
+		{&ff.BinaryDiffs, ">= 4.3.0-0", "2022-11-29"},
+		{&ff.Sourcegraph70, ">= 7.0.0-0", "2026-02-25"},
+	} {
+		value, err := api.CheckSourcegraphVersion(version, feature.constraint, feature.minDate)
+		if err != nil {
+			if skipErrors {
+				log.Printf("failed to check version returned by Sourcegraph: %s. Assuming no feature flags.", version)
+			} else {
+				return errors.Wrap(err, fmt.Sprintf("failed to check version returned by Sourcegraph: %s", version))
+			}
+		}
+		*feature.flag = value
+	}
+
+	return nil
+}