updater: support ignoring versions

.tools/internal/config/packages/packages.go

@@ -141,6 +141,10 @@ type GitOptions struct {
 	// when a tag is used and the version is able to be parsed as a
 	// semver. Defaults to false.
 	ConsiderPreReleases bool `yaml:"consider_pre_releases"`
+
+	// IgnoreVersions is a list of versions to always ignore (looking at
+	// you, Zed).
+	IgnoreVersions []string `yaml:"ignore_versions"`
 }
 
 // APTOptions contains the options for the APT resolver.

.tools/internal/resolver/git.go

@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"slices"
 	"strings"
 
 	"github.com/blang/semver/v4"
@@ -69,6 +70,11 @@ func getGitVersion(ce *packages.Package) (string, error) {
 		// Strip the "refs/tags/" prefix.
 		tag := strings.TrimPrefix(fqTag, "refs/tags/")
 
+		// Ignore the version if told to do so.
+		if slices.Contains(ce.GitOptions.IgnoreVersions, tag) {
+			continue
+		}
+
 		// Attempt to parse as a semver, for other options.
 		if sv, err := semver.ParseTolerant(tag); err == nil {
 			isPreRelease := len(sv.Pre) > 0