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 "$*" version.nit >/dev/null 2>&1; then
  24                 :
  25         else
  26                 cat > version.nit<<END
  27 # This file was generated by git-gen-version.sh
  28 module version
  29 fun nit_version: String do return "$*"
  30 END
  31                 echo "Version $*"
  32         fi
  33 }
  34
  35 # Are we in the nit.nit directory?
  36 if [ ! -f nit.nit ]; then
  37         if [ -f src/nit.nit ]; then
  38                 cd src
  39         else
  40                 echo "Error: no nit.nit found." >&2
  41                 exit 1
  42         fi
  43 fi
  44
  45 VN=`git describe --always HEAD 2>/dev/null`
  46 if [ "$?" != "0" ]; then
  47         if [ -r ../VERSION ]; then
  48                 VN="$(cat ../VERSION)"
  49         else
  50                 echo >&2 "Error: no VERSION file and not a .git repository."
  51                 exit 1
  52         fi
  53 fi
  54 if [ -z "$VN" ]; then
  55         VN="undefined"
  56 fi
  57 if [ -n "$1" ]; then
  58         VN="${VN}_$1"
  59 fi
  60 if [ -n "$(git diff HEAD 2>/dev/null)" ]; then
  61         VN="${VN}_dirty"
  62 fi
  63
  64 gen_version "$VN"