overlay repositories: resolve labels before downloading (#1349)
overlay repositories: resolve labels before downloading (#1349)

Fixes #1338
bazelbuild/rules_go,Xjs/rules_go,Xjs/rules_go,Xjs/rules_go,bazelbuild/rules_go,bazelbuild/rules_go,bazelbuild/rules_go,bazelbuild/rules_go,Xjs/rules_go,Xjs/rules_go