external/bsd/atf/dist/atf-version/generate-revision.sh

   1 #! /bin/sh
   2 #
   3 # Automated Testing Framework (atf)
   4 #
   5 # Copyright (c) 2007 The NetBSD Foundation, Inc.
   6 # All rights reserved.
   7 #
   8 # Redistribution and use in source and binary forms, with or without
   9 # modification, are permitted provided that the following conditions
  10 # are met:
  11 # 1. Redistributions of source code must retain the above copyright
  12 #    notice, this list of conditions and the following disclaimer.
  13 # 2. Redistributions in binary form must reproduce the above copyright
  14 #    notice, this list of conditions and the following disclaimer in the
  15 #    documentation and/or other materials provided with the distribution.
  16 #
  17 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  18 # CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  19 # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  20 # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21 # IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  22 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  24 # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  26 # IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  27 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  28 # IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29 #
  30
  31 #
  32 # Generates a header file with information about the revision used to
  33 # build ATF.
  34 #
  35
  36 set -e
  37
  38 Prog_Name=${0##*/}
  39
  40 GIT=
  41 ROOT=
  42
  43 #
  44 # err message
  45 #
  46 err() {
  47     echo "${Prog_Name}: ${@}" 1>&2
  48     exit 1
  49 }
  50
  51 #
  52 # call_git args
  53 #
  54 call_git() {
  55     ( cd "${ROOT}" && "${GIT}" "${@}" )
  56 }
  57
  58 #
  59 # generate_from_dist revfile version
  60 #
  61 generate_from_dist() {
  62     revfile=${1}; shift
  63     version=${1}; shift
  64
  65     >${revfile}
  66
  67     echo "#define PACKAGE_REVISION_TYPE_DIST" >>${revfile}
  68 }
  69
  70 #
  71 # generate_from_git revfile
  72 #
  73 generate_from_git() {
  74     revfile=${1}
  75
  76     rev_base_id=$(call_git rev-parse HEAD)
  77     rev_branch=$(call_git branch | grep '^\* ' | cut -d ' ' -f 2-)
  78     rev_date=$(call_git log -1 | grep '^Date:' | sed -e 's,^Date:[ \t]*,,')
  79     if [ -z "$(call_git status -s)" ]; then
  80         rev_modified=false
  81     else
  82         rev_modified=true
  83     fi
  84
  85     >${revfile}
  86
  87     echo "#define PACKAGE_REVISION_TYPE_GIT" >>${revfile}
  88
  89     echo "#define PACKAGE_REVISION_BRANCH \"${rev_branch}\"" >>${revfile}
  90     echo "#define PACKAGE_REVISION_BASE \"${rev_base_id}\"" >>${revfile}
  91
  92     if [ ${rev_modified} = true ]; then
  93         echo "#define PACKAGE_REVISION_MODIFIED 1" >>${revfile}
  94     fi
  95
  96     echo "#define PACKAGE_REVISION_DATE \"${rev_date}\"" >>${revfile}
  97 }
  98
  99 #
 100 # main
 101 #
 102 # Entry point.
 103 #
 104 main() {
 105     outfile=
 106     version=
 107     while getopts :g:r:o:v: arg; do
 108         case ${arg} in
 109             g)
 110                 GIT=${OPTARG}
 111                 ;;
 112             o)
 113                 outfile=${OPTARG}
 114                 ;;
 115             r)
 116                 ROOT=${OPTARG}
 117                 ;;
 118             v)
 119                 version=${OPTARG}
 120                 ;;
 121             *)
 122                 err "Unknown option ${arg}"
 123                 ;;
 124         esac
 125     done
 126     [ -n "${ROOT}" ] || \
 127         err "Must specify the top-level source directory with -r"
 128     [ -n "${outfile}" ] || \
 129         err "Must specify an output file with -o"
 130     [ -n "${version}" ] || \
 131         err "Must specify a version number with -v"
 132
 133     if [ -n "${GIT}" -a -d ${ROOT}/.git ]; then
 134         generate_from_git ${outfile}
 135     else
 136         generate_from_dist ${outfile} ${version}
 137     fi
 138 }
 139
 140 main "${@}"
 141
 142 # vim: syntax=sh:expandtab:shiftwidth=4:softtabstop=4