[thirdparty/lldpd.git] / get-version

#!/bin/sh
#
# get-version
#
# Copyright © 2009 Guillem Jover <guillem@hadrons.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
# THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

if [ -f .dist-version ]; then
  # Get the version from the file distributed in the tarball.
  version=$(cat .dist-version)
elif [ -e .git ]; then
  # Ger the version from the git repository.
  version=$(git describe --tags --always --match [0-9]* 2> /dev/null)

  # Check if we are on a dirty checkout.
  git update-index --refresh -q >/dev/null
  dirty=$(git diff-index --name-only --ignore-submodules=untracked HEAD 2>/dev/null)
  if [ -n "$dirty" ]; then
    version="$version-dirty"
  fi
else
  version=$(date +%F)
fi

# Use printf to avoid the trailing new line that m4_esyscmd would not handle.
printf "$version"
Commit	Line	Data
a888bea6 VB	1	#!/bin/sh
	2	#
	3	# get-version
	4	#
	5	# Copyright © 2009 Guillem Jover <guillem@hadrons.org>
	6	#
	7	# Redistribution and use in source and binary forms, with or without
	8	# modification, are permitted provided that the following conditions
	9	# are met:
	10	# 1. Redistributions of source code must retain the above copyright
	11	# notice, this list of conditions and the following disclaimer.
	12	# 2. Redistributions in binary form must reproduce the above copyright
	13	# notice, this list of conditions and the following disclaimer in the
	14	# documentation and/or other materials provided with the distribution.
	15	# 3. The name of the author may not be used to endorse or promote products
	16	# derived from this software without specific prior written permission.
	17	#
	18	# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	19	# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	20	# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
	21	# THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	22	# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	23	# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	24	# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	25	# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	26	# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	27	# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	28
	29	if [ -f .dist-version ]; then
	30	# Get the version from the file distributed in the tarball.
	31	version=$(cat .dist-version)
8b58789d	32	elif [ -e .git ]; then
a888bea6 VB	33	# Ger the version from the git repository.
	34	version=$(git describe --tags --always --match [0-9]* 2> /dev/null)
	35
	36	# Check if we are on a dirty checkout.
	37	git update-index --refresh -q >/dev/null
094f37c5	38	dirty=$(git diff-index --name-only --ignore-submodules=untracked HEAD 2>/dev/null)
a888bea6 VB	39	if [ -n "$dirty" ]; then
	40	version="$version-dirty"
	41	fi
	42	else
2e1785fa	43	version=$(date +%F)
a888bea6 VB	44	fi
	45
	46	# Use printf to avoid the trailing new line that m4_esyscmd would not handle.
	47	printf "$version"