| 1 | # $Id: backport-common.sh 85589 2020-07-31 19:26:03Z vboxsync $
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| 2 | ## @file
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| 3 | # Common backport script bits.
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| 4 | #
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| 5 |
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| 6 | #
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| 7 | # Copyright (C) 2020 Oracle Corporation
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| 8 | #
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| 9 | # This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | # available from http://www.virtualbox.org. This file is free software;
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| 11 | # you can redistribute it and/or modify it under the terms of the GNU
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| 12 | # General Public License (GPL) as published by the Free Software
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| 13 | # Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | #
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| 17 |
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| 18 | #
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| 19 | # Globals.
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| 20 | #
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| 21 | MY_CAT=kmk_cat
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| 22 | MY_EXPR=kmk_expr
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| 23 | MY_PRINTF=kmk_printf
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| 24 | MY_RM=kmk_rm
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| 25 | MY_SVN=svn
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| 26 | MY_SED=kmk_sed
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| 27 |
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| 28 | #
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| 29 | # Functions.
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| 30 | #
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| 31 | BranchDirToName()
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| 32 | {
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| 33 | MY_DIR=$1
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| 34 | MY_NAME=`echo "${MY_DIR}" | "${MY_SED}" -e 's|^\(.*\)/\([^/][^/]*\)$|\2|'`
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| 35 | case "${MY_NAME}" in
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| 36 | VBox-[5-9].[0-3]|VBox-1[0-5].[0-3])
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| 37 | echo "${MY_NAME}" | "${MY_SED}" -e 's/VBox-//'
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| 38 | ;;
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| 39 | [Vv][Bb][Oo][Xx][5-9][0-3])
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| 40 | echo "${MY_NAME}" | "${MY_SED}" -e 's/[Vv][Bb][Oo][Xx]\([0-9]\)\([0-3]\)/\1.\2/'
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| 41 | ;;
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| 42 | [Tt][Rr][Uu][Nn][Kk])
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| 43 | echo trunk
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| 44 | ;;
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| 45 | *)
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| 46 | echo "warning: Unable to guess branch given ${MY_NAME} ($1)" 1>&2
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| 47 | ;;
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| 48 | esac
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| 49 | }
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| 50 |
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| 51 | AddRevision()
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| 52 | {
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| 53 | if test -z "${MY_REVISIONS}"; then
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| 54 | MY_REVISIONS=$1
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| 55 | MY_REVISION_COUNT=1
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| 56 | else
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| 57 | MY_REVISIONS="${MY_REVISIONS} $1"
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| 58 | MY_REVISION_COUNT=$(${MY_EXPR} ${MY_REVISION_COUNT} + 1)
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| 59 | fi
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| 60 | }
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| 61 |
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| 62 | #
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| 63 | # Figure default branch given the script location.
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| 64 | #
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| 65 | MY_BRANCH_DEFAULT_DIR=`cd "${MY_SCRIPT_DIR}"; cd ../..; pwd -L`
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| 66 | MY_BRANCH_DEFAULT=`BranchDirToName "${MY_BRANCH_DEFAULT_DIR}"`
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| 67 | if test "${MY_BRANCH_DEFAULT}" = "trunk"; then
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| 68 | MY_TRUNK_DIR=${MY_BRANCH_DEFAULT_DIR}
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| 69 | elif test -d "${MY_BRANCH_DEFAULT_DIR}/../../trunk"; then
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| 70 | MY_TRUNK_DIR=`cd "${MY_BRANCH_DEFAULT_DIR}"; cd ../../trunk; pwd -L`
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| 71 | else
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| 72 | MY_TRUNK_DIR="^/trunk"
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| 73 | fi
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| 74 |
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| 75 |
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| 76 | #
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| 77 | # Parse arguments.
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| 78 | #
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| 79 | MY_BRANCH_DIR=
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| 80 | MY_BRANCH=
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| 81 | MY_REVISIONS=
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| 82 | MY_REVISION_COUNT=0
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| 83 | MY_EXTRA_ARGS=
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| 84 | MY_DEBUG=
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| 85 | MY_FORCE=
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| 86 | MY_SHOW_DIFF=
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| 87 |
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| 88 | while test $# -ge 1;
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| 89 | do
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| 90 | ARG=$1
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| 91 | shift
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| 92 | case "${ARG}" in
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| 93 | r[0-9][0-9][0-9][0-9][0-9]|r[0-9][0-9][0-9][0-9][0-9][0-9]|r[0-9][0-9][0-9][0-9][0-9][0-9][0-9])
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| 94 | MY_REV=`echo ${ARG} | "${MY_SED}" -e 's/^r//'`
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| 95 | AddRevision ${MY_REV}
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| 96 | ;;
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| 97 |
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| 98 | [0-9][0-9][0-9][0-9][0-9]|[0-9][0-9][0-9][0-9][0-9][0-9]|[0-9][0-9][0-9][0-9][0-9][0-9][0-9])
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| 99 | AddRevision ${ARG}
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| 100 | ;;
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| 101 |
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| 102 | --trunk-dir)
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| 103 | if test $# -eq 0; then
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| 104 | echo "error: missing --trunk-dir argument." 1>&2
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| 105 | exit 1;
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| 106 | fi
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| 107 | MY_TRUNK_DIR=`echo "$1" | "${MY_SED}" -e 's|\\\|/|g'`
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| 108 | shift
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| 109 | ;;
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| 110 |
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| 111 | --branch-dir)
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| 112 | if test $# -eq 0; then
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| 113 | echo "error: missing --branch-dir argument." 1>&2
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| 114 | exit 1;
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| 115 | fi
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| 116 | MY_BRANCH_DIR=`echo "$1" | "${MY_SED}" -e 's|\\\|/|g'`
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| 117 | shift
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| 118 | ;;
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| 119 |
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| 120 | --branch)
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| 121 | if test $# -eq 0; then
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| 122 | echo "error: missing --branch argument." 1>&2
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| 123 | exit 1;
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| 124 | fi
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| 125 | MY_BRANCH="$1"
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| 126 | shift
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| 127 | ;;
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| 128 |
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| 129 | --first-rev|--first|-1)
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| 130 | MY_FIRST_REV=1
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| 131 | ;;
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| 132 |
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| 133 | --force)
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| 134 | MY_FORCE=1
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| 135 | ;;
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| 136 |
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| 137 | --update-first|--update|-u)
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| 138 | MY_UPDATE_FIRST=1
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| 139 | ;;
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| 140 |
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| 141 | --show-diff)
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| 142 | MY_SHOW_DIFF=1
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| 143 | ;;
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| 144 |
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| 145 | --extra)
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| 146 | if test $# -eq 0; then
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| 147 | echo "error: missing --extra argument." 1>&2
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| 148 | exit 1;
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| 149 | fi
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| 150 | MY_EXTRA_ARGS="${MY_EXTRA_ARGS} $1"
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| 151 | shift
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| 152 | ;;
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| 153 |
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| 154 | --debug)
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| 155 | MY_DEBUG=1
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| 156 | ;;
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| 157 |
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| 158 | # usage
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| 159 | --h*|-h*|-?|--?)
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| 160 | echo "usage: $0 [--trunk-dir <dir>] [--branch <ver>] [--branch-dir <dir>] [--extra <svn-arg>] \\"
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| 161 | echo " [--first-rev] [--update-first] rev1 [rev2..[revN]]]"
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| 162 | echo ""
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| 163 | echo "Options:"
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| 164 | echo " --trunk-dir <dir>"
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| 165 | echo " The source of the changeset being backported."
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| 166 | echo " --branch-dir <dir>"
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| 167 | echo " The backport destination directory. default: script location"
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| 168 | echo " --branch <ver>"
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| 169 | echo " The name of the branch being backported to. default: auto"
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| 170 | echo " --debug"
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| 171 | echo " Enables verbose output."
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| 172 | echo " --first-rev, --first, -1"
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| 173 | echo " Merge only: Check that the branch does not have any pending changes."
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| 174 | echo " --force"
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| 175 | echo " Forces backporting, regardless of ancestry. Use with caution!"
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| 176 | echo " --show-diff"
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| 177 | echo " Shows unified diff before backporting."
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| 178 | echo " --update-first, --update, -u"
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| 179 | echo " Merge only: Update the branch before merging."
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| 180 | echo " --extra <svn-arg>"
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| 181 | echo " Additional arguments to specify to SVN."
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| 182 | echo ""
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| 183 | exit 2;
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| 184 | ;;
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| 185 |
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| 186 | *)
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| 187 | echo "syntax error: ${ARG}"
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| 188 | exit 2;
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| 189 | ;;
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| 190 | esac
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| 191 | done
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| 192 |
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| 193 | if test -n "${MY_DEBUG}"; then
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| 194 | echo " MY_SCRIPT_DIR=${MY_SCRIPT_DIR}"
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| 195 | echo " MY_BRANCH_DIR=${MY_BRANCH_DIR}"
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| 196 | echo " MY_BRANCH=${MY_BRANCH}"
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| 197 | echo "MY_BRANCH_DEFAULT_DIR=${MY_BRANCH_DEFAULT_DIR}"
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| 198 | echo " MY_BRANCH_DEFAULT=${MY_BRANCH_DEFAULT}"
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| 199 | echo " MY_TRUNK_DIR=${MY_TRUNK_DIR}"
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| 200 | echo " MY_REVISIONS=${MY_REVISIONS}"
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| 201 | fi
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| 202 |
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| 203 | #
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| 204 | # Resolve branch variables.
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| 205 | #
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| 206 | if test -z "${MY_BRANCH_DIR}" -a -z "${MY_BRANCH}"; then
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| 207 | MY_BRANCH_DIR=${MY_BRANCH_DEFAULT_DIR}
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| 208 | MY_BRANCH=${MY_BRANCH_DEFAULT}
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| 209 | elif test -n "${MY_BRANCH}" -a -z "${MY_BRANCH_DIR}"; then
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| 210 | MY_BRANCH_DIR=${MY_BRANCH_DEFAULT_DIR}
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| 211 | elif test -z "${MY_BRANCH}" -a -n "${MY_BRANCH_DIR}"; then
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| 212 | MY_BRANCH=`BranchDirToName "${MY_BRANCH_DIR}"`
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| 213 | if test -z "${MY_BRANCH}" -o "${MY_BRANCH}" = "${MY_BRANCH_DIR}"; then
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| 214 | echo "error: Failed to guess branch name for: ${MY_BRANCH_DIR}" 1>&2
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| 215 | echo " Use --branch to specify it." 1>&2
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| 216 | exit 2;
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| 217 | fi
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| 218 | fi
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| 219 | if test "${MY_BRANCH}" = "trunk"; then
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| 220 | echo "error: script does not work with 'trunk' as the branch" 1>&2
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| 221 | exit 2;
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| 222 | fi
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| 223 |
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| 224 | #
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| 225 | # Stop if no revisions specified.
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| 226 | #
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| 227 | if test -z "${MY_REVISIONS}" -a "${MY_SCRIPT_NAME}" '!=' "backport-commit.sh"; then
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| 228 | echo "error: No revisions specified" 1>&2;
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| 229 | exit 2;
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| 230 | fi
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