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      1 #!/bin/sh
      2 #===-- tag.sh - Tag the LLVM release candidates ----------------------------===#
      3 #
      4 #                     The LLVM Compiler Infrastructure
      5 #
      6 # This file is distributed under the University of Illinois Open Source
      7 # License.
      8 #
      9 #===------------------------------------------------------------------------===#
     10 #
     11 # Create branches and release candidates for the LLVM release.
     12 #
     13 #===------------------------------------------------------------------------===#
     14 
     15 set -e
     16 
     17 release=""
     18 rc=""
     19 rebranch="no"
     20 projects="llvm cfe dragonegg test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp"
     21 dryrun=""
     22 revision="HEAD"
     23 
     24 base_url="https://llvm.org/svn/llvm-project"
     25 
     26 function usage() {
     27     echo "usage: `basename $0` -release <num> [-rebranch] [-revision <num>] [-dry-run]"
     28     echo "usage: `basename $0` -release <num> -rc <num> [-dry-run]"
     29     echo " "
     30     echo "  -release <num>   The version number of the release"
     31     echo "  -rc <num>        The release candidate number"
     32     echo "  -rebranch        Remove existing branch, if present, before branching"
     33     echo "  -final           Tag final release candidate"
     34     echo "  -revision <num>  Revision to branch off (default: HEAD)"
     35     echo "  -dry-run         Make no changes to the repository, just print the commands"
     36 }
     37 
     38 function tag_version() {
     39     set -x
     40     for proj in  $projects; do
     41         if svn ls $base_url/$proj/branches/release_$branch_release > /dev/null 2>&1 ; then
     42             if [ $rebranch = "no" ]; then
     43                 continue
     44             fi
     45             ${dryrun} svn remove -m "Removing old release_$branch_release branch for rebranching." \
     46                 $base_url/$proj/branches/release_$branch_release
     47         fi
     48         ${dryrun} svn copy -m "Creating release_$branch_release branch off revision ${revision}" \
     49             -r ${revision} \
     50             $base_url/$proj/trunk \
     51             $base_url/$proj/branches/release_$branch_release
     52     done
     53     set +x
     54 }
     55 
     56 function tag_release_candidate() {
     57     set -x
     58     for proj in $projects ; do
     59         if ! svn ls $base_url/$proj/tags/RELEASE_$tag_release > /dev/null 2>&1 ; then
     60             ${dryrun} svn mkdir -m "Creating release directory for release_$tag_release." $base_url/$proj/tags/RELEASE_$tag_release
     61         fi
     62         if ! svn ls $base_url/$proj/tags/RELEASE_$tag_release/$rc > /dev/null 2>&1 ; then
     63             ${dryrun} svn copy -m "Creating release candidate $rc from release_$tag_release branch" \
     64                 $base_url/$proj/branches/release_$branch_release \
     65                 $base_url/$proj/tags/RELEASE_$tag_release/$rc
     66         fi
     67     done
     68     set +x
     69 }
     70 
     71 while [ $# -gt 0 ]; do
     72     case $1 in
     73         -release | --release )
     74             shift
     75             release=$1
     76             ;;
     77         -rc | --rc )
     78             shift
     79             rc="rc$1"
     80             ;;
     81         -rebranch | --rebranch )
     82             rebranch="yes"
     83             ;;
     84         -final | --final )
     85             rc="final"
     86             ;;
     87         -revision | --revision )
     88             shift
     89             revision="$1"
     90             ;;
     91         -dry-run | --dry-run )
     92             dryrun="echo"
     93             ;;
     94         -h | --help | -help )
     95             usage
     96             exit 0
     97             ;;
     98         * )
     99             echo "unknown option: $1"
    100             usage
    101             exit 1
    102             ;;
    103     esac
    104     shift
    105 done
    106 
    107 if [ "x$release" = "x" ]; then
    108     echo "error: need to specify a release version"
    109     echo
    110     usage
    111     exit 1
    112 fi
    113 
    114 branch_release=`echo $release | sed -e 's,\([0-9]*\.[0-9]*\).*,\1,' | sed -e 's,\.,,g'`
    115 tag_release=`echo $release | sed -e 's,\.,,g'`
    116 
    117 if [ "x$rc" = "x" ]; then
    118     tag_version
    119 else
    120     if [ "$revision" != "HEAD" ]; then
    121         echo "error: cannot use -revision with -rc"
    122         echo
    123         usage
    124         exit 1
    125     fi
    126 
    127     tag_release_candidate
    128 fi
    129 
    130 exit 0
    131