github.com/noironetworks/cilium-net@v1.6.12/contrib/backporting/start-backport (about)

     1  #!/bin/bash
     2  #
     3  # Copyright 2019 Authors of Cilium
     4  #
     5  # Licensed under the Apache License, Version 2.0 (the "License");
     6  # you may not use this file except in compliance with the License.
     7  # You may obtain a copy of the License at
     8  #
     9  #     http://www.apache.org/licenses/LICENSE-2.0
    10  #
    11  # Unless required by applicable law or agreed to in writing, software
    12  # distributed under the License is distributed on an "AS IS" BASIS,
    13  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  
    17  source $(dirname $(readlink -ne $BASH_SOURCE))/../release/lib/common.sh
    18  source $TOOL_LIB_PATH/gitlib.sh
    19  source $(dirname $(readlink -ne $BASH_SOURCE))/common.sh
    20  
    21  # Validate command-line
    22  common::argc_validate 1
    23  
    24  BRANCH="${1:-}"
    25  if [ "$BRANCH" = "" ]; then
    26      BRANCH=$(git symbolic-ref --short HEAD)
    27  fi
    28  BRANCH=$(echo "$BRANCH" | sed 's/^v//')
    29  
    30  # Extra optional suffix in cases where there are multiple backport PRs that
    31  # have the same conflicting branch name.
    32  SUFFIX="${2}"
    33  
    34  git fetch origin
    35  if ! git branch -a | grep -q "origin/v$BRANCH$" ; then
    36      echo "usage: start-backport <branch version> [suffix]" 1>&2
    37      echo "  (detected branch $BRANCH)" 1>&2
    38      common::exit 1
    39  fi
    40  
    41  DATE=$(date --rfc-3339=date)
    42  PRBRANCH="pr/v${BRANCH}-backport-${DATE}${SUFFIX}"
    43  
    44  if (git --no-pager branch | grep -q "${PRBRANCH}"); then
    45      echo "Error: branch '${PRBRANCH}' already exists"
    46      echo "Consider passing a suffix as the second parameter"
    47      echo
    48      echo "Example:"
    49      echo "  ./contrib/backporting/start-backport ${BRANCH} \"-2\""
    50      common::exit 1
    51  fi
    52  
    53  git checkout -b "${PRBRANCH}" origin/v$BRANCH
    54  contrib/backporting/check-stable $BRANCH v$BRANCH-backport-$DATE.txt