sigs.k8s.io/cluster-api-provider-aws@v1.5.5/hack/version.sh (about)

     1  #!/bin/bash
     2  # Copyright 2018 The Kubernetes Authors.
     3  #
     4  # Licensed under the Apache License, Version 2.0 (the "License");
     5  # you may not use this file except in compliance with the License.
     6  # You may obtain a copy of the License at
     7  #
     8  #     http://www.apache.org/licenses/LICENSE-2.0
     9  #
    10  # Unless required by applicable law or agreed to in writing, software
    11  # distributed under the License is distributed on an "AS IS" BASIS,
    12  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  # See the License for the specific language governing permissions and
    14  # limitations under the License.
    15  
    16  set -o errexit
    17  set -o nounset
    18  set -o pipefail
    19  
    20  version::get_version_vars() {
    21      GIT_COMMIT="$(git rev-parse HEAD^{commit})"
    22  
    23      if git_status=$(git status --porcelain 2>/dev/null) && [[ -z ${git_status} ]]; then
    24          GIT_TREE_STATE="clean"
    25      else
    26          GIT_TREE_STATE="dirty"
    27      fi
    28  
    29      # stolen from k8s.io/hack/lib/version.sh
    30      # Use git describe to find the version based on tags.
    31      if GIT_VERSION=$(git describe --tags --abbrev=14 2>/dev/null); then
    32          # This translates the "git describe" to an actual semver.org
    33          # compatible semantic version that looks something like this:
    34          #   v1.1.0-alpha.0.6+84c76d1142ea4d
    35          #
    36          # TODO: We continue calling this "git version" because so many
    37          # downstream consumers are expecting it there.
    38          DASHES_IN_VERSION=$(echo "${GIT_VERSION}" | sed "s/[^-]//g")
    39          if [[ "${DASHES_IN_VERSION}" == "---" ]] ; then
    40              # We have distance to subversion (v1.1.0-subversion-1-gCommitHash)
    41              GIT_VERSION=$(echo "${GIT_VERSION}" | sed "s/-\([0-9]\{1,\}\)-g\([0-9a-f]\{14\}\)$/.\1\-\2/")
    42          elif [[ "${DASHES_IN_VERSION}" == "--" ]] ; then
    43              # We have distance to base tag (v1.1.0-1-gCommitHash)
    44              GIT_VERSION=$(echo "${GIT_VERSION}" | sed "s/-g\([0-9a-f]\{14\}\)$/-\1/")
    45          fi
    46          if [[ "${GIT_TREE_STATE}" == "dirty" ]]; then
    47              # git describe --dirty only considers changes to existing files, but
    48              # that is problematic since new untracked .go files affect the build,
    49              # so use our idea of "dirty" from git status instead.
    50              GIT_VERSION+="-dirty"
    51          fi
    52  
    53  
    54          # Try to match the "git describe" output to a regex to try to extract
    55          # the "major" and "minor" versions and whether this is the exact tagged
    56          # version or whether the tree is between two tagged versions.
    57          if [[ "${GIT_VERSION}" =~ ^v([0-9]+)\.([0-9]+)(\.[0-9]+)?([-].*)?([+].*)?$ ]]; then
    58              GIT_MAJOR=${BASH_REMATCH[1]}
    59              GIT_MINOR=${BASH_REMATCH[2]}
    60          fi
    61  
    62          # If GIT_VERSION is not a valid Semantic Version, then refuse to build.
    63          if ! [[ "${GIT_VERSION}" =~ ^v([0-9]+)\.([0-9]+)(\.[0-9]+)?(-[0-9A-Za-z.-]+)?(\+[0-9A-Za-z.-]+)?$ ]]; then
    64              echo "GIT_VERSION should be a valid Semantic Version. Current value: ${GIT_VERSION}"
    65              echo "Please see more details here: https://semver.org"
    66              exit 1
    67          fi
    68      fi
    69  
    70      GIT_RELEASE_TAG=$(git describe --abbrev=0 --tags)
    71      GIT_RELEASE_COMMIT=$(git rev-list -n 1  ${GIT_RELEASE_TAG})
    72  }
    73  
    74  # stolen from k8s.io/hack/lib/version.sh and modified
    75  # Prints the value that needs to be passed to the -ldflags parameter of go build
    76  version::ldflags() {
    77      version::get_version_vars
    78  
    79      local -a ldflags
    80      function add_ldflag() {
    81          local key=${1}
    82          local val=${2}
    83          ldflags+=(
    84              "-X 'sigs.k8s.io/cluster-api-provider-aws/version.${key}=${val}'"
    85          )
    86      }
    87  
    88      add_ldflag "buildDate" "$(date ${SOURCE_DATE_EPOCH:+"--date=@${SOURCE_DATE_EPOCH}"} -u +'%Y-%m-%dT%H:%M:%SZ')"
    89      add_ldflag "gitCommit" "${GIT_COMMIT}"
    90      add_ldflag "gitTreeState" "${GIT_TREE_STATE}"
    91      add_ldflag "gitMajor" "${GIT_MAJOR}"
    92      add_ldflag "gitMinor" "${GIT_MINOR}"
    93      add_ldflag "gitVersion" "${GIT_VERSION}"
    94      add_ldflag "gitReleaseCommit" "${GIT_RELEASE_COMMIT}"
    95  
    96    # The -ldflags parameter takes a single string, so join the output.
    97    echo "${ldflags[*]-}"
    98  }