It looks like a duplicate of this question but my issue is that I am running a hosted version. VSTS GIT Fetch Failed
I enabled system debug and pretty much allowed a
For anyone who finds this question, while searching for the 128 exit code:
In my case it was Bitbucket Server running out of space (full hard drive) which caused this error. If you're hosting your git server yourself, check your hard drive:
df
Maybe that helps someone.