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- #!/bin/sh
- # SPDX-License-Identifier: GPL-2.0-only
- set -eu
- diff_patch=$1
- mkdir -p "$(dirname "${diff_patch}")"
- git -C "${srctree:-.}" diff HEAD > "${diff_patch}"
- if [ ! -s "${diff_patch}" ] ||
- [ -z "$(git -C "${srctree:-.}" ls-files --other --exclude-standard | head -n1)" ]; then
- exit
- fi
- # The source tarball, which is generated by 'git archive', contains everything
- # you committed in the repository. If you have local diff ('git diff HEAD'),
- # it will go into ${diff_patch}. If untracked files are remaining, the resulting
- # source package may not be correct.
- #
- # Examples:
- # - You modified a source file to add #include "new-header.h"
- # but forgot to add new-header.h
- # - You modified a Makefile to add 'obj-$(CONFIG_FOO) += new-dirver.o'
- # but you forgot to add new-driver.c
- #
- # You need to commit them, or at least stage them by 'git add'.
- #
- # This script does not take care of untracked files because doing so would
- # introduce additional complexity. Instead, print a warning message here if
- # untracked files are found.
- # If all untracked files are just garbage, you can ignore this warning.
- echo >&2 "============================ WARNING ============================"
- echo >&2 "Your working tree has diff from HEAD, and also untracked file(s)."
- echo >&2 "Please make sure you did 'git add' for all new files you need in"
- echo >&2 "the source package."
- echo >&2 "================================================================="
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