linux-imx

#!/bin/sh

# SPDX-License-Identifier: GPL-2.0

#

# This scripts adds local version information from the version

# control systems git, mercurial (hg) and subversion (svn).

#

# If something goes wrong, send a mail the kernel build mailinglist

# (see MAINTAINERS) and CC Nico Schottelius

# <nico-linuxsetlocalversion -at- schottelius.org>.

#

#

​

usage() {

    echo "Usage: $0 [--save-scmversion] [srctree]" >&2

    exit 1

}

​

scm_only=false

srctree=.

if test "$1" = "--save-scmversion"; then

    scm_only=true

    shift

fi

if test $# -gt 0; then

    srctree=$1

    shift

fi

if test $# -gt 0 -o ! -d "$srctree"; then

    usage

fi

​

scm_version()

{

    local short

    short=false

​

    cd "$srctree"

    if test -e .scmversion; then

        cat .scmversion

        return

    fi

    if test "$1" = "--short"; then

        short=true

    fi

​

    # Check for git and a git repo.

    if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&

       head=`git rev-parse --verify --short HEAD 2>/dev/null`; then

​

        # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore

        # it, because this version is defined in the top level Makefile.

        if [ -z "`git describe --exact-match 2>/dev/null`" ]; then

​

            # If only the short version is requested, don't bother

            # running further git commands

            if $short; then

                echo "+"

                return

            fi

            # If we are past a tagged commit (like

            # "v2.6.30-rc5-302-g72357d5"), we pretty print it.

            if atag="`git describe 2>/dev/null`"; then

                echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'