15:18:30+ make REF=master centos-8
15:18:30[1m[33mInit https://github.com/docker/cli.git[m15:18:30git init --initial-branch=master src/github.com/docker/cli
15:18:30error: unknown option `initial-branch=master'
15:18:30usage: git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [<directory>]
15:18:3015:18:30 --template <template-directory>
15:18:30 directory from which templates will be used
15:18:30 --bare create a bare repository
15:18:30 --shared[=<permissions>]
15:18:30 specify that the git repository is to be shared amongst several users
15:18:30 -q, --quiet be quiet
15:18:30 --separate-git-dir <gitdir>
15:18:30 separate git dir from working tree
15:18:3015:18:30make: *** [Makefile:26: src/github.com/docker/cli] Error 129