From https://answers.atlassian.com/questions/295713/can-stash-handle-git-requests-missing-git-extension

By way of further explanation, it would appear that some of the manifest files we are using with the repo tool come from sources outside of our control, e.g. from Android:

https://android.googlesource.com/platform/manifest/+/android-4.4.2_r2/default.xml

As a result, we cannot edit the files to add the missing extension.

HTTP does not have this problem