wmake/wmakePrintBuild

   1 #!/bin/sh
   2 #------------------------------------------------------------------------------
   3 # =========                 |
   4 # \\      /  F ield         | foam-extend: Open Source CFD
   5 #  \\    /   O peration     |
   6 #   \\  /    A nd           | For copyright notice see file Copyright
   7 #    \\/     M anipulation  |
   8 #------------------------------------------------------------------------------
   9 # License
  10 #     This file is part of foam-extend.
  11 #
  12 #     foam-extend is free software: you can redistribute it and/or modify it
  13 #     under the terms of the GNU General Public License as published by the
  14 #     Free Software Foundation, either version 3 of the License, or (at your
  15 #     option) any later version.
  16 #
  17 #     foam-extend is distributed in the hope that it will be useful, but
  18 #     WITHOUT ANY WARRANTY; without even the implied warranty of
  19 #     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20 #     General Public License for more details.
  21 #
  22 #     You should have received a copy of the GNU General Public License
  23 #     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
  24 #
  25 # Script
  26 #     wmakePrintBuild
  27 #
  28 # Description
  29 #     Print the version used when building the project.
  30 #
  31 #------------------------------------------------------------------------------
  32 Script=${0##*/}
  33
  34 usage() {
  35     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
  36     cat<<USAGE
  37 usage: $Script [OPTION]
  38 options:
  39   -check          check the git head commit vs. \$WM_PROJECT_DIR/.build
  40                   (exit code 0 for no changes)
  41   -major          report \$WM_PROJECT_VERSION only and exit
  42   -update         update \$WM_PROJECT_DIR/.build from the git information
  43   -version VER    specify an alternative version
  44
  45 Print the version used when building the project, in this order of precedence:
  46   * the git head commit (prefixed with \$WM_PROJECT_VERSION)
  47   * \$WM_PROJECT_DIR/.build
  48   * \$WM_PROJECT_VERSION
  49
  50 USAGE
  51     exit 1
  52 }
  53 #------------------------------------------------------------------------------
  54
  55 unset checkOnly update version
  56
  57 # parse options
  58 while [ "$#" -gt 0 ]
  59 do
  60     case "$1" in
  61     -h | -help)
  62         usage
  63         ;;
  64     -c | -check)
  65         checkOnly=true
  66         shift
  67         ;;
  68     -major)
  69         echo ${WM_PROJECT_VERSION:-unknown}
  70         exit 0
  71         ;;
  72     -u | -update)
  73         update=true
  74         shift
  75         ;;
  76     -v | -version)
  77         [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
  78         version=$2
  79         shift 2
  80         ;;
  81     *)
  82         usage "unknown option/argument: '$*'"
  83         ;;
  84     esac
  85 done
  86
  87 #------------------------------------------------------------------------------
  88
  89 #
  90 # persistent build tag
  91 #
  92 build="$WM_PROJECT_DIR/.build"
  93 previous=$(tail -1 $build 2>/dev/null)
  94
  95 if [ -n "$version" ]
  96 then
  97     # specified a version - no error possible
  98     rc=0
  99 else
 100     # get the head SHA1 when building under git
 101     # if there are multiple values (eg, HEAD, origin/HEAD, ...)
 102     # only take the first one, which is 'HEAD'
 103     version=$(git show-ref --hash=12 --head HEAD 2>/dev/null | head -1)
 104
 105     if [ -n "$version" ]
 106     then
 107         # mark as success and prefix with WM_PROJECT_VERSION
 108         rc=0
 109         version="${WM_PROJECT_VERSION}-$version"
 110     else
 111         # mark as failure
 112         rc=1
 113     fi
 114 fi
 115
 116
 117 # update persistent build tag if possible
 118 if [ $rc -eq 0 -a -n "$update" -a "$version" != "$previous" ]
 119 then
 120     if [ -w "$build" -o \( -w "$WM_PROJECT_DIR" -a ! -e "$build" \) ]
 121     then
 122         echo $version >| "$build" 2>/dev/null
 123     fi
 124 fi
 125
 126
 127 # check git vs. persistent build tag
 128 if [ -n "$checkOnly" ]
 129 then
 130     if [ $rc -eq 0 ]
 131     then
 132         test "$version" = "$previous"
 133         rc=$?
 134         if [ $rc -eq 0 ]
 135         then
 136             echo "same version as previous build"
 137         else
 138             echo "version changed from previous build"
 139         fi
 140     else
 141         echo "no git description found"
 142     fi
 143     exit $rc
 144 fi
 145
 146
 147 if [ $rc -eq 0 ]
 148 then
 149     # output the git information or the -version version
 150     echo $version
 151 elif [ -n "$previous" ]
 152 then
 153     # use previous build tag
 154     echo $previous
 155 else
 156     # fallback to WM_PROJECT_VERSION alone
 157     echo ${WM_PROJECT_VERSION:-unknown}
 158 fi
 159
 160 #------------------------------------------------------------------------------