src/git-gen-version.sh

   1 #!/bin/sh
   2
   3 # This file is part of NIT ( http://www.nitlanguage.org ).
   4 #
   5 # Copyright 2008 Jean Privat <jean@pryen.org>
   6 #
   7 # Licensed under the Apache License, Version 2.0 (the "License");
   8 # you may not use this file except in compliance with the License.
   9 # You may obtain a copy of the License at
  10 #
  11 #     http://www.apache.org/licenses/LICENSE-2.0
  12 #
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS,
  15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 # See the License for the specific language governing permissions and
  17 # limitations under the License.
  18
  19 # This program is used to generate version number from git refs.
  20 # The version number is stored in a dedicated Nit module.
  21
  22 gen_version() {
  23         if ! grep "$*" version.nit >/dev/null 2>&1; then
  24                 cat > version.nit <<END
  25 # This file was generated by git-gen-version.sh
  26 module version
  27 fun nit_version: String do return "$*"
  28 END
  29                 echo "Version $*"
  30         fi
  31 }
  32
  33 # Are we in the nit.nit directory?
  34 if [ ! -f nit.nit ]; then
  35         if [ -f src/nit.nit ]; then
  36                 cd src
  37         else
  38                 echo "Error: no nit.nit found." >&2
  39                 exit 1
  40         fi
  41 fi
  42
  43 VN=`git describe --always HEAD 2>/dev/null`
  44 if [ "$?" != "0" ]; then
  45         if [ -r ../VERSION ]; then
  46                 VN="$(cat ../VERSION)"
  47         else
  48                 echo >&2 "Error: no VERSION file and not a .git repository."
  49                 exit 1
  50         fi
  51 fi
  52 if [ -z "$VN" ]; then
  53         VN="undefined"
  54 fi
  55 if [ -n "$1" ]; then
  56         VN="${VN}_$1"
  57 fi
  58 if [ -n "$(git diff HEAD 2>/dev/null)" ]; then
  59         VN="${VN}_dirty"
  60 fi
  61
  62 gen_version "$VN"