build/scripts/determine_haiku_revision

   1 #!/bin/sh
   2
   3 haikuTop=$1
   4 revisionFile=$2
   5 haikuBuildOutputDir=`dirname $revisionFile`
   6 lastBuiltRevisionFile=${haikuBuildOutputDir}/last-built-revision
   7
   8 case `uname` in
   9 Darwin)
  10         SED=gsed
  11         ;;
  12 *)
  13         SED=sed
  14         ;;
  15 esac
  16 export SED
  17
  18 revision=`cat ${revisionFile} 2>/dev/null`
  19 lastBuiltRevision=`cat $lastBuiltRevisionFile 2>/dev/null`
  20
  21 originalDir=`pwd`
  22 cd ${haikuTop}
  23 export LC_ALL=C
  24
  25 localRev=`git rev-parse HEAD`
  26
  27 # only determine the haiku-revision if anything has changed from
  28 # last build
  29 if [ -z "$revision" -o "$lastBuiltRevision" != "$localRev" ]; then
  30         # the revision we use is the description of HEAD with respect to the
  31         # last reachable hrev-(haiku-revision-)tag
  32         revision=`git describe --dirty --tags --match=hrev*`
  33         if [ -z "$revision" ]; then
  34                 # failed to find any hrev tags, bail out
  35                 echo "Error: you are using a Haiku clone without tags, please set"
  36                 echo "       the revision tag to use (e.g. HAIKU_REVISION=hrev43210)"
  37                 exit 1
  38         elif echo "$revision" | grep -- '-' >/dev/null; then
  39                 # HEAD is not directly a changeset from Haiku's central repo, so we
  40                 # add the current branch name as additional info
  41                 branchName=`git branch | grep '*' | cut -b 3-`
  42                 revision="$revision [$branchName]"
  43         fi
  44 fi
  45
  46 cd $originalDir
  47
  48 if [ -z "$revision" ]; then
  49         revision=0
  50 fi
  51
  52 echo $localRev >${lastBuiltRevisionFile}
  53 echo $revision >${revisionFile}