15:17:25+ make REF=master ubuntu-focal
15:17:25[1m[33mInit https://github.com/docker/cli.git[m15:17:25git init --initial-branch=master src/github.com/docker/cli
15:17:25error: unknown option `initial-branch=master'
15:17:25usage: git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [<directory>]
15:17:2515:17:25 --template <template-directory>
15:17:25 directory from which templates will be used
15:17:25 --bare create a bare repository
15:17:25 --shared[=<permissions>]
15:17:25 specify that the git repository is to be shared amongst several users
15:17:25 -q, --quiet be quiet
15:17:25 --separate-git-dir <gitdir>
15:17:25 separate git dir from working tree
15:17:2515:17:25make: *** [Makefile:26: src/github.com/docker/cli] Error 129