# In reply to @nnsee "that is strange": I was just able to recreate the issue by # removing the .git folder and running nimble run cytek@Joshuas-MacBook-Pro nim_test % rm -rf .git cytek@Joshuas-MacBook-Pro nim_test % nimble run Tip: 1 messages have been suppressed, use --verbose to show them. tools.nim(62) tryDoCmdEx Error: Execution of 'git -C /Users/cytek/projects/nim/nim_test rev-parse HEAD' failed with an exit code 128. ... Details: fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree. ... Use '--' to separate paths from revisions, like this: ... 'git [...] -- [...]' ... HEAD