gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/tools/tag_release.sh (about)

     1  #!/bin/bash
     2  
     3  # Copyright 2019 The gVisor Authors.
     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  # This script will optionally map a PiperOrigin-RevId to a given commit,
    18  # validate a provided release name, create a tag and push it. It must be
    19  # run manually when a release is created.
    20  
    21  set -xeuo pipefail
    22  
    23  # Check arguments.
    24  if [[ "$#" -ne 3 ]]; then
    25    echo "usage: $0 <commit|revid> <release.rc> <message-file>"
    26    exit 1
    27  fi
    28  
    29  declare -r target_commit="$1"
    30  declare -r release="$2"
    31  declare -r message_file="$3"
    32  
    33  if [[ -z "${target_commit}" ]]; then
    34    echo "error: <commit|revid> is empty."
    35  fi
    36  if [[ -z "${release}" ]]; then
    37    echo "error: <release.rc> is empty."
    38  fi
    39  if ! [[ -r "${message_file}" ]]; then
    40    echo "error: message file '${message_file}' is not readable."
    41    exit 1
    42  fi
    43  
    44  closest_commit() {
    45    while read line; do
    46      if [[ "$line" =~ ^"commit " ]]; then
    47          current_commit="${line#commit }"
    48          continue
    49      elif [[ "$line" =~ "PiperOrigin-RevId: " ]]; then
    50          revid="${line#PiperOrigin-RevId: }"
    51          [[ "${revid}" -le "$1" ]] && break
    52      fi
    53    done
    54    echo "${current_commit}"
    55  }
    56  
    57  # Is the passed identifier a sha commit?
    58  if ! git show "${target_commit}" &> /dev/null; then
    59    # Extract the commit given a piper ID.
    60    commit="$(set +o pipefail; \
    61      git log --first-parent | closest_commit "${target_commit}")"
    62    declare -r commit
    63  else
    64    declare -r commit="${target_commit}"
    65  fi
    66  if ! git show "${commit}" &> /dev/null; then
    67    echo "unknown commit: ${target_commit}"
    68    exit 1
    69  fi
    70  
    71  # Is the release name sane? Must be a date with patch/rc.
    72  if ! [[ "${release}" =~ ^20[0-9]{6}\.[0-9]+$ ]]; then
    73    declare -r expected="$(date +%Y%m%d.0)" # Use today's date.
    74    echo "unexpected release format: ${release}"
    75    echo "  ... expected like ${expected}"
    76    exit 1
    77  fi
    78  
    79  # Tag the given commit (annotated, to record the committer). Note that the tag
    80  # here is applied as a force, in case the tag already exists and is the same.
    81  # The push will fail in this case (because it is not forced).
    82  declare -r tag="release-${release}"
    83  git tag -f -F "${message_file}" -a "${tag}" "${commit}" && \
    84    git push origin tag "${tag}"