Describe the bug
install bzip2
but Error:

Environment

• OS: [Linux ubuntu 4.15]
• Compiler: gxx 6.3

To Reproduce
Steps to reproduce the behavior:

1. ./vcpkg install bzip2
2. See error

-- Fetching https://sourceware.org/git/bzip2.git...
CMake Error at scripts/cmake/vcpkg_execute_required_process.cmake:108 (message):
Command failed: /usr/bin/git fetch https://sourceware.org/git/bzip2.git 75a94bea3918e612b879d6a11ca64b8689526147 --depth 1 -n
Working Directory: /home/ubuntu/qqm/vcpkg/downloads/git-tmp
Error code: 128
See logs for more information:
/home/ubuntu/qqm/vcpkg/buildtrees/bzip2/git-fetch-x64-linux-err.log

Call Stack (most recent call first):
scripts/cmake/vcpkg_from_git.cmake:91 (vcpkg_execute_required_process)
ports/bzip2/portfile.cmake:1 (vcpkg_from_git)
scripts/ports.cmake:128 (include)

Error: Building package bzip2:x64-linux failed with: BUILD_FAILED

Failure logs

cat /home/ubuntu/qqm/vcpkg/buildtrees/bzip2/git-fetch-x64-linux-err.log
error: no such remote ref 75a94bea3918e612b879d6a11ca64b8689526147