scripts/reversion

   1 #!/bin/sh
   2 # Copyright (c) The Exim Maintainers 2016
   3
   4 set -e
   5 LC_ALL=C
   6 export LC_ALL
   7
   8 # Update Exim's version header file.
   9
  10 # Compatibility gross-ness for non-POSIX systems
  11 if [ -z "$EXIM_REVERSION_ADJUSTED" ]
  12 then
  13   SHELL=/bin/sh
  14   EXIM_REVERSION_ADJUSTED=yes
  15   export SHELL EXIM_REVERSION_ADJUSTED
  16   # Solaris:
  17   if [ -x /usr/xpg4/bin/sh ]
  18   then
  19     PATH="/usr/xpg4/bin:$PATH"
  20     SHELL=/usr/xpg4/bin/sh
  21     export PATH SHELL
  22   fi
  23   # Irix:
  24   _XPG=1 ; export _XPG
  25   #
  26   exec "$SHELL" "$0" "$@"
  27 fi
  28
  29 # Read version information that was generated by a previous run of
  30 # this script, or during the release process.
  31
  32 if   [ -f ./version.sh ]
  33 then .    ./version.sh
  34 elif [ -f ../src/version.sh ]
  35 then .    ../src/version.sh
  36 fi
  37
  38 # If this tree is a git working directory, use that to get version information.
  39
  40 if [ -d ../../.git ] || [ "$1" = "release" ]
  41 then
  42         # Modify the output of git describe into separate parts for
  43         # the name "exim" and the release and variant versions.
  44         # Put a dot in the version number and remove a spurious g.
  45         if [ "$2" ]
  46         then
  47             description=$(git describe "$2")
  48         else
  49             description=$(git describe --dirty=-XX --match 'exim-4*')
  50         fi
  51         set $(echo "$description" | sed 's|-| |;s|_|.|;s|[-_]| _|;s|-g|-|')
  52         # Only update if we need to
  53         if [ "$2 $3" != "$EXIM_RELEASE_VERSION $EXIM_VARIANT_VERSION" ]
  54         then
  55                 EXIM_RELEASE_VERSION="$2"
  56                 EXIM_VARIANT_VERSION="$3"
  57                 rm -f version.h
  58         fi
  59 fi
  60
  61 # If you are maintaining a patched version of Exim, you can either
  62 # create your own version.sh as part of your release process, or you
  63 # can modify EXIM_VARIANT_VERSION at this point in this script.
  64
  65 case "$EXIM_RELEASE_VERSION" in
  66 '')     echo "*** Your copy of Exim lacks any version information."
  67         exit 1
  68 esac
  69
  70 EXIM_COMPILE_NUMBER=$(expr "${EXIM_COMPILE_NUMBER:-0}" + 1)
  71
  72 echo "$EXIM_COMPILE_NUMBER" >cnumber.h
  73
  74 ( echo '# automatically generated file - see ../scripts/reversion'
  75   echo EXIM_RELEASE_VERSION='"'"$EXIM_RELEASE_VERSION"'"'
  76   echo EXIM_VARIANT_VERSION='"'"$EXIM_VARIANT_VERSION"'"'
  77   echo EXIM_COMPILE_NUMBER='"'"$EXIM_COMPILE_NUMBER"'"'
  78 ) >version.sh
  79
  80 if [ ! -f version.h ]
  81 then
  82 ( echo '/* automatically generated file - see ../scripts/reversion */'
  83   echo '#define EXIM_RELEASE_VERSION "'"$EXIM_RELEASE_VERSION"'"'
  84   echo '#define EXIM_VARIANT_VERSION "'"$EXIM_VARIANT_VERSION"'"'
  85   echo '#define EXIM_VERSION_STR EXIM_RELEASE_VERSION EXIM_VARIANT_VERSION'
  86 ) >version.h
  87 fi
  88
  89 echo ">>> version $EXIM_RELEASE_VERSION$EXIM_VARIANT_VERSION #$EXIM_COMPILE_NUMBER"
  90 echo