Fix versioning for shorter version strings

googet.goospec

@@ -1,4 +1,4 @@
-{{$version := "3.2.0@0" -}}
+{{$version := "3.2.1@0" -}}
 {
   "name": "googet",
   "version": "{{$version}}",
@@ -15,6 +15,7 @@
     "path": "install.ps1"
   },
   "releaseNotes": [
+    "3.2.1 - Remove offsets for semver to better support upgrading versions from X.X.X to Y.Y"
     "3.2.0  - Add Provides functionality and field to the GooGet PkgSpec.",
     "3.1.0  - Introduce a dry_run flag for update, install, and remove subcommands.",
     "3.0.0  - Replace googet state file with sqlite database. Add json output for installed command.",

goolib/goospec.go

@@ -165,13 +165,12 @@ func fixVer(ver string) string {
 	}
 	out := []string{"0", "0", "0"}
 	nums := strings.SplitN(ver, ".", 3)
-	offset := len(out) - len(nums)
 	for i, str := range nums {
 		trimmed := strings.TrimLeft(str, "0")
 		if trimmed == "" {
 			trimmed = "0"
 		}
-		out[i+offset] = trimmed
+		out[i] = trimmed
 	}
 	return strings.Join(out, ".") + suffix
 }
@@ -195,8 +194,7 @@ func ComparePriorityVersion(p1 priority.Value, v1 string, p2 priority.Value, v2
 func ParseVersion(ver string) (Version, error) {
 	v := strings.SplitN(ver, "@", 2)
 	v[0] = fixVer(v[0])
-
-	sv, err := semver.Parse(v[0])
+	sv, err := semver.ParseTolerant(v[0])
 	if err != nil {
 		return Version{}, err
 	}