wmake/wmakePrintBuild

   1 #!/bin/sh
   2 #------------------------------------------------------------------------------
   3 # =========                 |
   4 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   5 #  \\    /   O peration     |
   6 #   \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
   7 #    \\/     M anipulation  |
   8 #-------------------------------------------------------------------------------
   9 # License
  10 #     This file is part of OpenFOAM.
  11 #
  12 #     OpenFOAM 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 2 of the License, or (at your
  15 #     option) any later version.
  16 #
  17 #     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  18 #     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19 #     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20 #     for more details.
  21 #
  22 #     You should have received a copy of the GNU General Public License
  23 #     along with OpenFOAM; if not, write to the Free Software Foundation,
  24 #     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  25 #
  26 # Script
  27 #     wmakePrintBuild
  28 #
  29 # Description
  30 #     Print the version used when building the project.
  31 #
  32 #------------------------------------------------------------------------------
  33 Script=${0##*/}
  34
  35 usage() {
  36     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
  37     cat<<USAGE
  38 usage: $Script [OPTION]
  39 options:
  40   -check          check the git head commit vs. \$WM_PROJECT_DIR/.build
  41                   (exit code 0 for no changes)
  42   -major          report \$WM_PROJECT_VERSION only and exit
  43   -update         update \$WM_PROJECT_DIR/.build from the git information
  44   -version VER    specify an alternative version
  45
  46 Print the version used when building the project, in this order of precedence:
  47   * the git head commit (prefixed with \$WM_PROJECT_VERSION)
  48   * \$WM_PROJECT_DIR/.build
  49   * \$WM_PROJECT_VERSION
  50
  51 USAGE
  52     exit 1
  53 }
  54 #------------------------------------------------------------------------------
  55
  56 unset checkOnly update version
  57
  58 # parse options
  59 while [ "$#" -gt 0 ]
  60 do
  61     case "$1" in
  62     -h | -help)
  63         usage
  64         ;;
  65     -c | -check)
  66         checkOnly=true
  67         shift
  68         ;;
  69     -major)
  70         echo ${WM_PROJECT_VERSION:-unknown}
  71         exit 0
  72         ;;
  73     -u | -update)
  74         update=true
  75         shift
  76         ;;
  77     -v | -version)
  78         [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
  79         version=$2
  80         shift 2
  81         ;;
  82     *)
  83         usage "unknown option/argument: '$*'"
  84         ;;
  85     esac
  86 done
  87
  88 #------------------------------------------------------------------------------
  89
  90 #
  91 # persistent build tag
  92 #
  93 build="$WM_PROJECT_DIR/.build"
  94 previous=$(tail -1 $build 2>/dev/null)
  95
  96 if [ -n "$version" ]
  97 then
  98     # specified a version - no error possible
  99     rc=0
 100 else
 101     # get the head SHA1 when building under git
 102     # if there are multiple values (eg, HEAD, origin/HEAD, ...)
 103     # only take the first one, which is 'HEAD'
 104     version=$(git show-ref --hash=12 --head HEAD 2>/dev/null | head -1)
 105
 106     if [ -n "$version" ]
 107     then
 108         # mark as success and prefix with WM_PROJECT_VERSION
 109         rc=0
 110         version="${WM_PROJECT_VERSION}-$version"
 111     else
 112         # mark as failure
 113         rc=1
 114     fi
 115 fi
 116
 117
 118 # update persistent build tag if possible
 119 if [ $rc -eq 0 -a -n "$update" -a "$version" != "$previous" ]
 120 then
 121     if [ -w "$build" -o \( -w "$WM_PROJECT_DIR" -a ! -e "$build" \) ]
 122     then
 123         echo $version >| "$build" 2>/dev/null
 124     fi
 125 fi
 126
 127
 128 # check git vs. persistent build tag
 129 if [ -n "$checkOnly" ]
 130 then
 131     if [ $rc -eq 0 ]
 132     then
 133         test "$version" = "$previous"
 134         rc=$?
 135         if [ $rc -eq 0 ]
 136         then
 137             echo "same version as previous build"
 138         else
 139             echo "version changed from previous build"
 140         fi
 141     else
 142         echo "no git description found"
 143     fi
 144     exit $rc
 145 fi
 146
 147
 148 if [ $rc -eq 0 ]
 149 then
 150     # output the git information or the -version version
 151     echo $version
 152 elif [ -n "$previous" ]
 153 then
 154     # use previous build tag
 155     echo $previous
 156 else
 157     # fallback to WM_PROJECT_VERSION alone
 158     echo ${WM_PROJECT_VERSION:-unknown}
 159 fi
 160
 161 #------------------------------------------------------------------------------