feat: report in debug the version we select with version range arg

Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr>
(cherry picked from commit bf78b876c7)

pkg/repo/v1/index.go

@@ -223,6 +223,8 @@ func (i IndexFile) Get(name, version string) (*ChartVersion, error) {
 		if constraint.Check(test) {
 			if len(version) != 0 && !isVersionRange(version) {
 				slog.Warn("unable to find exact version requested; falling back to closest available version", "chart", name, "requested", version, "selected", ver.Version)
+			} else if len(version) != 0 && isVersionRange(version) {
+				slog.Debug("selected version matching constraint", "chart", name, "constraint", version, "selected", ver.Version)
 			}
 			return ver, nil
 		}

pkg/repo/v1/index_test.go

@@ -726,6 +726,8 @@ func TestIsVersionRange(t *testing.T) {
 	}{
 		{"1.0.0", false},
 		{"1.0.0+metadata", false},
+		{"v1.19.2", false},
+		{"v1", false},
 		{"^1", true},
 		{"^1.2.3", true},
 		{"~1.10", true},
@@ -738,6 +740,8 @@ func TestIsVersionRange(t *testing.T) {
 		{"1.*", true},
 		{"1.x", true},
 		{"1.X", true},
+		{"v1.x", true},
+		{"v1.X", true},
 		{"1.0.0 - 2.0.0", true},
 		{"^1.0.0 || ^2.0.0", true},
 		{">=1.0.0 <2.0.0", true},